Choose the best answer:
They will never forget _______ the man-eating shark at the beach.
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Báo saiGiải thích: Forget Ving: quên đã làm gì
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Rewrite the sentence:
He prefers siting at home to playing outside. -
Read the following passage and choose the best answer (A, B, C, D):
Coal, oil and gas get more than $370bn a year in support, compared with $100bn for renewables, the International Institute for Sustainable Development (IISD) report found. Just 10-30% of the fossil fuel subsidies would pay for a global transition to clean energy, the IISD said. Ending fossil fuel subsidies has long been seen as vital to tackling the climate emergency, with the G20 nations pledging in 2009 to phase them out, but progress has been limited. The new analysis shows how redirecting some of the fossil fuel subsidies could decisively tip the balance in favour of green energy, making it the cheapest electricity available and instigating a rapid global rollout. The transition from polluting fossil fuels to clean energy is already under way. Annual investment in renewables has been greater than that in fossil fuel electricity generation since 2008 and new renewable capacity has exceeded fossil fuel power each year since 2014. But progress is slow compared with the urgency required, said Bridle. “There is no question that renewables can power the energy system,” he said. “The question now is can we transit quickly enough away from fuels like coal, and subsidy reform is a very obvious step towards that. Reform of fossil fuel subsidies could have a significant impact on global heating. An earlier IISD study of 20 countries with large fossil fuel subsidies found that a 30% swap to renewables would lead to emissions reductions of between 11% and 18%. Most experts define fossil fuel subsidies as financial or tax support for those buying fuel or the companies producing it. The IMF also includes the cost of the damage fossil fuel burning causes to climate and health, leading to an estimate of $5.2tn of fossil fuel subsidies in 2017, or $10m a minute. Ending the subsidies would cut global emissions by about a quarter, the IMF estimates, and halve the number of early deaths from fossil fuel air pollution. Bridle said funding fossil fuel subsidies was “madness”, but said ending them could cause short-term price rises and political difficulties, as the benefits of lower costs in the future and reduced air pollution are less obvious. “There are political problems but it is worth persevering because the prize is so big,” he said. “You have to bring people along with you.” Gençsü said governments must ensure that the most vulnerable people were not adversely affected by changes.
5. According to paragraph 4, what conclusion does all the statistics point at? -
Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:
Four West Indian geckos, with human assistance, have recently entered the United States. The yellowheaded gecko, the ashy gecko, the reef gecko, and the ocellated gecko are presently inhabiting the tropical areas of the Keys and the tip of southern Florida. The Mediterranean gecko also arrived along the Gulf coast some time ago, via the West Indies. The only other geckos in the United States live in the Southwest. In extreme southern California, the leaf-gingered gecko livesin dry, rocky country and scampers over boulders at night, hiding by day in crevices. It has a slender, tapered tail and stalks insects by raising itself high on its legs, cocking its head, and twitching its tail nervously before leaping on its prey. In courtship, the tail is also waved by the male as he approaches the female.
Although most lizards are excellent climbers, the geckos are able to walk on smooth surfaces with the help of unique clinging devices under the toes. Also, the undersides of most geckos have pads of large scales, each of which bear microscopic hairs with hundreds of branches having minute, blunt ends that press against the surface that the gecko is on, enabling the gecko to cling to almost any surface. Like other lizards, geckos have the ability to shed their tails if attacked by an enemy. They stump heels and a new tail is grown in approximately the same shape as the original. Unlike most lizards, most geckos have no moveable eyelids. The nocturnal geckos have vertical pupils, which contract in bright light. All geckos, except several New Zealand species, lay eggs. The eggs have a tough, white shell and are laid under stones, behind window shutters or under bark.The passage would be most interest to...
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Choose the best answer:
Co Loa was the capital of Early Ngo Dynasty, ___________ in fact it only existed with the proper function of a capital in 6 years under Ngo Quyen’s reign. -
Read the following passage and choose the best answer (A, B, C, D):
Culture has a strong influence on non–verbal communication. Even the simple act of looking someone in the eye is not at all that simple. In the USA, Americans are (1) ______ to look directly at people when speaking to them. It shows interest in what they are saying and is thought to carry a (2) ______ of honesty. Meanwhile, in Japan and Korea, people avoid long periods of eye contact. It is considered more polite to look to the side during a conversation. The Lebanese, (3) ______, stand close together and look intensely into each other’s eyes. The action shows sincerity and gives people a better sense of what their counterparts want. Given such differences with even the most common expressions, people (4) ______ travel or work abroad have a real need to learn the other culture’s body language. People tend to be unaware of the messages they are sending to others. So, it is (5) ______ to consider your own body language before dealing with people from other cultures. Knowing about the body language of friends, clients, and colleagues can be very helpful in improving understanding and avoiding miscommunication -
Read the following passage and choose the best answer (A, B, C, D):
Have you ever been cycling? This spring my elder brother and I left the busy city and spent a long weekend cycling in the countryside. Our average speed was only around 14 kph, but that didn’t matter. We hadn’t come to break any speed records, or to get fit and healthy. All we wanted was some fresh air and a break from schoolwork. My bike only once went more than 30 kph, and that was when I raced my brother down the only hill on our route. We really enjoyed cycling along flat, traffic-free country paths. There was plenty of spring sunshine, but it was quite cold, especially in the morning. We didn’t mind, though - and we soon warmed up as we rode along. Our only problem was when my brakes started making a terrible noise. But I didn’t mind as it gave us an excuse to visit a cafe while a helpful bike mechanic had a look at it. That was one of the best things about our route: every few kilometres there was a village where we could find everything we needed. All the local people were really friendly, too. However, most places we stopped at served chips with the meals, which soon got fairly boring. One night we were woken at 4 a.m. by a group of rugby fans singing loudly in the hotel corridor. We were tired and bad-tempered when we set off the next morning and very nearly got lost, but soon felt more cheerful when the sun came out. That’s what I like about cycling - it’s simple and it’s fun. If you’re looking for a short break that’s active and cheap, then cycling is a great choice!
2. What do we find out about Chris’s bike? -
Read the following passage and choose the best answer (A, B, C, D):
While trust in media as a whole may be at an all-time low, a new study by the EBU has shown the public’s trust in traditional media (broadcast and the written press) is actually on the rise. However, people’s trust in new media continues to fall: 61% of European countries distrust the internet while 97% have no faith in social networks. The EBU’s new report – Trust in Media 2018 – shows the figures illustrating the differences between people’s trust in traditional and new media. Broadcast media remain the most trusted forms of media with 59% of people tending to trust radio (equivalent to 2017) and 51% trusting TV in the EU (an increase of 1 percentage point on 2017). Trust in the written press has also slowly improved over the last 5 years and it is now trusted by 47% of EU citizens. At the same time, people’s trust in the internet and social media has been eroded by fake news, misinformation and disinformation. Only 34% of EU citizens trust the internet and a mere 20% now trust social networks (down from 36% and 21% respectively in 2017). Trust in Media 2018 is based on data published in the 88th Eurobarometer survey and gives an idea of European citizens’ perception of the trustworthiness of different types of media. The survey consists of approximately 1000 face-to-face interviews in the 33 countries covered by the study. The report shows how European citizens’ trust in broadcast media is closely connected with a free and independent press. The higher the level of trust in a country’s radio and TV, the higher press freedom in that country tends to be. There are also strong regional differences with the Nordics and Albania tending to trust traditional media the most while Eastern Europeans tend to trust social networks and the internet more. The EBU’s Head of Strategy and the Media Intelligence Service Roberto Suárez Candel said: “The results of our research show that good quality, impartial media is highly valued by the public. “Public service media play an important role in that and, together, our Members make an invaluable contribution to society. The role of our public service Members in upholding democratic values and supporting media freedom is clearly demonstrated by the results of our research.”
3. According to paragraph 2, what is the conclusion drawn from the statistics provided? -
Read the following passage and choose the best answer (A, B, C, D):
Climate change, also called global warming, refers to the rise in average surface temperatures on Earth. An overwhelming scientific consensus maintains that climate change is due primarily to the human use of fossil fuels, which (1) __________ carbon dioxide and other greenhouse gases into the air. The gases trap heat within the atmosphere, which can have a range of effects on ecosystems, (2) __________ rising sea levels, severe weather events, and droughts that render landscapes more susceptible to wildfires. While consensus among nearly all scientists, scientific organizations, and governments is (3)__________ climate change is happening and is caused by human activity, a small minority of voices questions the validity of such assertions and prefers to cast doubt on the preponderance of evidence. Climate change deniers often claim that recent changes (4) __________ to human activity can be seen as part of the natural variations in Earth’s climate and temperature, and that it is difficult or impossible to establish a direct connection between climate change and any single weather event, such as a hurricane. While the latter is generally true, decades of data and analysis support the reality of climate change and the human factor in this process. In any case, economists agree that acting to reduce fossil fuel emissions would be far less expensive than (5) __________ with the consequences of not doing so -
Read the following passage and choose the best answer (A, B, C, D):
Many AI researchers roll their eyes when seeing this headline: “Stephen Hawking warns that rise of robots may be disastrous for mankind.” And as many have lost count of how many similar articles they’ve seen. Typically, these articles suggest we should worry about robots rising up and killing us because they’ve become conscious and/or evil. On a lighter note, such articles are actually rather impressive, because they succinctly summarize the scenario that AI researchers don’t worry about. That scenario combines as many as three separate misconceptions: concern about consciousness, evil, and robots. If you drive down the road, you have a subjective experience of colors, sounds, etc. But does a self-driving car have a subjective experience? Does it feel like anything at all to be a self-driving car? Although this mystery of consciousness is interesting in its own right, it’s irrelevant to AI risk. If you get struck by a driverless car, it makes no difference to you whether it subjectively feels conscious. In the same way, what will affect us humans is what superintelligent AI does, not how it subjectively feels. The fear of machines turning evil is another red herring. The real worry isn’t malevolence, but competence. A superintelligent AI is by definition very good at attaining its goals, whatever they may be, so we need to ensure that its goals are aligned with ours. Humans don’t generally hate ants, but we’re more intelligent than they are – so if we want to build a hydroelectric dam and there’s an anthill there, too bad for the ants. The beneficial-AI movement wants to avoid placing humanity in the position of those ants In fact, the main concern of the beneficial-AI movement isn’t with robots but with intelligence itself: specifically, intelligence whose goals are misaligned with ours. To cause us trouble, such misaligned superhuman intelligence needs no robotic body, merely an internet connection – this may enable outsmarting financial markets, out-inventing human researchers, out-manipulating human leaders, and developing weapons we cannot even understand. Even if building robots were physically impossible, a super-intelligent and superwealthy AI could easily pay or manipulate many humans to unwittingly do its bidding. The robot misconception is related to the myth that machines can’t control humans. Intelligence enables control: humans control tigers not because we are stronger, but because we are smarter.
5. The word “it” in paragraph 2 refers to _____ -
Read the following passage and choose the best answer (A, B, C, D):
Overpopulation is an undesirable condition where the number of existing human population exceeds the carrying capacity of Earth. Overpopulation is caused by number of factors. Reduced mortality rate, better medical facilities, depletion of precious resources are few of the causes which results in overpopulation. It is possible for a sparsely populated area to become densely populated if it is not able to sustain life. The effects of overpopulation are quite severe. The first of these is the depletion of resources. The Earth can only produce a limited amount of water and food, which is falling short of the current needs. Most of the environmental damage being seen in the last fifty odd years is because of the growing number of people on the planet. They are cutting down forests, hunting wildlife in a reckless manner, causing pollution and creating a host of problems. Those engaged in talking about overpopulation have noticed that acts of violence and aggression outside of a war zone have increased tremendously while competing for resources. With the overuse of coal, oil and natural gas, it has started producing some serious effects on our environment. Rise in the number of vehicles and industries have badly affected the quality of air. Rise in amount of CO2 emissions leads to global warming Overpopulation is an undesirable condition where the number of existing human population exceeds the carrying capacity of Earth. Overpopulation is caused by number of factors. Reduced mortality rate, better medical facilities, depletion of precious resources are few of the causes which results in overpopulation. It is possible for a sparsely populated area to become densely populated if it is not able to sustain life. The effects of overpopulation are quite severe. The first of these is the depletion of resources. The Earth can only produce a limited amount of water and food, which is falling short of the current needs. Most of the environmental damage being seen in the last fifty odd years is because of the growing number of people on the planet. They are cutting down forests, hunting wildlife in a reckless manner, causing pollution and creating a host of problems. Those engaged in talking about overpopulation have noticed that acts of violence and aggression outside of a war zone have increased tremendously while competing for resources. With the overuse of coal, oil and natural gas, it has started producing some serious effects on our environment. Rise in the number of vehicles and industries have badly affected the quality of air. Rise in amount of CO2 emissions leads to global warming
2. The word "sustain" in paragraph 1 is closest in meaning to ______ -
Chooose the best answer:
The flight had to be delayed___ the bad weather. -
Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:
Most people think that lions only come from Africa. This is understandable because in fact most lions do come from there but this has not always been the case. If we went back ten thousand years, we would find that there were lions roaming vast sections of the globe. However now, unfortunately only a very small section of the lion's former habitat remains.
Asiatic lions are sub-species of African lions. It is almost a hundred thousand years since the Asiatic lions split off and developed as a sub-species. At one time the Asiatic lion was living as far west as Greece and they were found from there, but in a band that spreads east through various countries of the Middle East, all the way to India. In museums now, you can see Greek coins thathave clear images of the Asiatic lion on them. Most of them are dated at around 500 B.C. However, Europe saw its last Asiatic lions roaming free two thousand years ago. Over the next nineteen hundred years the numbers of Asiatic lions in the other areas declined steadily, but it was only in the nineteenth century that they disappeared from everywhere but in India.
The Gir Wildlife Sanctuary in India was established especially to protect the Asiatic lion. There are now around three hundred Asiatic lions in India and almost all of them are in this sanctuary. However, despite living in a sanctuary, which makes them safe from hunters, they still face a number of problems that threaten their survival. One of these is the ever-present danger of disease. This is what killed more than a third of Africa’s Serengeti lions in 1994, and people are fearful that something similar could happen in the Gir Sanctuary and kill off many of the Asiatic lions there.
India's lions are particular vulnerable because they have a limited gene pool. The reason for this is interesting is because all of them are descended from a few dozen lions that were saved by a prince who took a particular interest in them. He was very healthy, and he managed to protect them; otherwise they would probably have died out completely.
When you see the Asiatic lion in India, what you sense is enormous vitality. They are very impressive animals and you would never guess that they have this vulnerability when you look at them.The Asiatic lion .
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Read the following passage and choose the best answer (A, B, C, D):
Birds are even more disrupted by their noisy neighbours than had been thought previously, researchers have found. And human activities could be preventing birds from reproducing and even developing normal social behaviour and keeping the peace. A study by Queen’s University Belfast found that when European robins were subjected to human produced noises their behaviour changed. Background noise appeared to mask the communication of crucial information between birds. While aggressive communication is common and birds respond to it, interference through noise can lead to the birds mistaking the signals. Birds can end up in situations all too familiar to humans. “The birds receive incomplete information on their opponent’s intent and do not appropriately adjust their response,” explained Arnott. “Where song is disguised by background noise, in some cases the male ends up fighting more vigorously than he should, but at other times gives in too easily.”Arnott said the purpose of birdsong was twofold – to attract mates and defend territory. Birds already face an array of human-made dangers, from pesticides and intensive farming to shooting and poisoning. But noise had often been overlooked, the paper in Biology Letters found. A spokesperson for the RSPB said: “Everyone is becoming increasingly concerned that nature is in crisis in the UK, with one in 10 of our wildlife species at threat of extinction. Many of our birds’ populations are already facing a serious crisis as a result of habitat loss, climate change and other human activities. This report is a good reminder that the way we live and our lifestyle has an impact on our natural world, and that we need to protect our natural world if we want to let nature sing.” For birds, the extra burden of noise pollution adds to extraordinary decline in species, including among once common birds, in recent decades due to such activities as agricultural practice and pesticide use. In the experiment the team used playbacks of robin song to stimulate responses from birds who were territory holders. Simple or complex songs were used in either the presence or absence of noise. The researchers found that song complexity was used as a signal of aggressive intent; birds demonstrated higher aggressive intent towards complex rather than simple song. This process was disrupted by the presence of added noise.
3. The word “mask” in paragraph 2 is closest in meaning to _______ -
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Plastic bags are used by everybody. From a vegetable vendor to a designer store, everyone seems to use them. Even though they are one of the modern conveniences that we seem to be unable to do without, they are responsible for causing pollution, killing wildlife, and using up the precious resources of the Earth. But, most of us are blissfully unaware of the repercussions that are occurring and will take place in the future because of the plastic bags. Every once in a while, the government passes out an order banning store owners from providing plastic bags to customers for carrying their purchases, with little lasting effect. Plastic bags are very popular with both retailers as well as consumers because they are cheap, strong, lightweight, functional, as well as a hygienic means of carrying food as well as other goods. About a hundred billion plastic bags are used every year in the U.S. alone. And then, when one considers the huge economies and populations of India, China, Europe, and other parts of the world, the numbers can be staggering. The problem is further exacerbated by the developed countries shipping off their plastic waste to developing countries like India. Once they are used, most bags go into landfills. Each year, more and more bags are ending up littering the environment. Once they become litter, plastic bags find their way into our waterways, parks, beaches, and streets. And, if they are burned, they infuse the air with toxic fumes. About 100,000 animals, such as dolphins, turtles, whales, penguins are killed every year due to these bags. Many animals ingest plastic bags, mistaking them for food, and therefore, die. And worse, the ingested plastic bag remains intact even after the death and decomposition of the animal. Thus, it lies around in the landscape where another victim may ingest it. One of the worst environmental effects is that they are non-biodegradable. The decomposition takes about 400 years. No one will live so long to witness the decomposition of plastic! Thus, save the environment for the future generations as well as animals. Petroleum products are diminishing and getting more expensive by the day, since we have used this non-renewable resource increasingly. And to make plastic, about 60-100 million barrels of oil are needed every year around the world. Surely, this precious resource should not be wasted on producing plastic bags, should it? Petroleum is vital for our modern way of life. It is necessary for our energy requirements - for our factories, transportation, heating, lighting, and so on. Without viable alternative sources of energy yet on the horizon, if the supply of petroleum were to be turned off, it would lead to practically the entire world grinding to a halt. So, what can be done? A tote bag can make a good substitute for carrying groceries and the shopping. You can keep the bag with the cashier, and then put your purchases into it instead of the usual plastic bag. Recycling the bags you already have is another good idea. These can come into use for various purposes, like holding your garbage, instead of purchasing new ones. While governments may be working out ways to lessen the impact of plastic bags on the environment; however, each of us should shoulder some of the responsibility for this problem, which ultimately harms us. Plastics are not only nonbiodegradable, but are one of the major pollutants of the sea. For a clean and green environment, try to use alternatives to plastic whenever and wherever possible. Cut down your use of plastic, and do your bit to save our planet
7. What does the word “it” in the last paragraph refer to? -
Read the following passage and choose the best answer (A, B, C, D):
Few political and social issues generate as much passion and controversy as immigration. One of the most prominent concerns among anti-immigration campaigners is the idea that immigration breaks down the host society’s cultural traditions and harms its cultural identity. Central to these debates is what academics call “acculturation”. This term refers to behavioural or psychological changes in immigrants or their descendants that follow migration. They are typically changes that make behaviour or ways of thinking more similar to members of the adopted society. Recent studies typically measure behavioural or psychological traits in first generation migrants, second generation migrants, and non-migrants who have been living in the host area for several generations. The evidence suggests that acculturation is common, but generational. While first generation migrants typically retain the values of their society of origin, later generations shift about 50% of the way from their parents’ values towards nonmigrant values. This even occurs in communities that form large, cohesive minorities. Migration with no acculturation breaks down distinct host cultures. This is the scenario envisioned by anti-immigration campaigners. Even a little migration, without acculturation, soon creates a homogeneous worldwide blend of the cultural traits that were originally unique to different societies. But adding just a small amount of acculturation to the simulations could preserve cultural differences. For example, even for relatively high migration rates where ten per cent of the society migrates in each time period, just a 20% probability of acculturation is needed to maintain distinct cultural variation between societies. This suggests that the 50% acculturation level observed in the real-world is strong enough to preserve distinct cultures. These results held for both “neutral” traits such as dress or dance, and for costly cooperative traits, such as building bridges or paying taxes, where individuals pay initial costs to benefit the entire society. Much concern over immigration centres on the latter – that immigrants take benefits without paying costs. There were, however, levels of migration at which no level of acculturation could preserve cultural traditions. When 50% or more of the societies migrate, then distinct traditions cannot be maintained. While this exceeds modern levels of migration, we might think of historical cases of colonisationas examples where high levels of migration broke down traditions. Whatever future research finds, it would surely be better if immigration policy and media coverage of immigration, were better informed by the available evidence concerning migrant acculturation
1. Which best serves as the title for the passage? -
A considerable body of research has demonstrated a correlation between birth order and aspects such as temperament and behavior, and some psychologists believe that birth order significantly affects the development of personality. Psychologist Alfred Adler was a pioneer in the study of the relationship between birth order and personality. A key point in his research and in the hypothesis that he developed based on it was that it was not the actual numerical birth position that affected personality; instead, it was the similar responses in large numbers of families to children in specific birth order positions that had an effect. For example, first-borns, who have their parents to themselves initially and do not have to deal with siblings in the first part of their lives, tend to have their first socialization experiences with adults and therefore tend to find the process of peer socialization more difficult. In contrast, later-born children have to deal with siblings from the first moment of their lives and therefore tend to have stronger socialization skills.
Numerous studies since Adler's have been conducted on the effect ofbirth order and personality. These studies have tended to classify birth order types into four different categories: first-born, second-born and/or middle, last, and only child.
Studies have consistently shown that first-born children tend to exhibit similar, positive and negative personality traits. First-borns have consistently been linked with academic achievement in various studies; in one study, the number of National Merit scholarship winners who are first- borns was found to be equal to the number of second-and third-borns combined. First-borns have been found to be more responsible and assertive than those born in other birth-order positions and tend to rise to positions of leadership more often than others; more first-borns have served in the u.s. Congress and as u.s. presidents than have those born in other birth-order positions. However, studies have shown that first-borns tend to be more subject to stress and were considered problem children more often than later-borns.
Second-born and/or middle children demonstrate markedly different tendencies from first- borns. They tend to feel inferior to the older child or children because it is difficult for them to comprehend that their lower level of achievement is a function of age rather than ability, and they often try to succeed in areas other than those in which their older sibling or siblings excel. They tend to be more trusting, accepting, and focused on others than the more self-centered first-borns, and they tend to have a comparatively higher level of success in team sports than do first-borns or only children, who more often excel in individual sports.
The last-born child is the one who tends to be the eternal baby of the family and thus often exhibits a strong sense of security. Last-borns collectively achieve the highest degree of social success and demonstrate the highest levels of self-esteem of all the birth-order positions. They often exhibit less competitiveness than older brothers and sisters and are more likely to take part in less competitive group games or in social organizations such as sororities and fraternities.
Only children tend to exhibit some of the main characteristics of first-borns and some of the characteristics of last-borns. Only children tend to exhibit the strong sense of security and self-esteem exhibited by last-borns while, like first-borns, they are more achievement oriented and more likely than middle-or last-borns to achieve academic success. However, only children tend to have the most problems establishing close relationships and exhibit a lower need for affiliation than other children.
The word key in paragraph 1 could best be replaced by ________ .
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rewrite the sentence:
Tom reviewed the lessons carefully. He could finish the test very well. -
Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:
The human criterionfor perfect vision is 20/20 for reading the standard lines on a Snellen eye chart without a hitch. The score is determined by how well you read lines of letters of different sizes from 20 feet away. But being able to read the bottom line on the eye chart does not approximate perfection as far as other species are concerned. Most birds would consider us very visually handicapped. The hawk, for instance, has such sharp eyes that can spot a dime on the sidewalk while perched on top of the Empire State Building. It can make fine visual distinctions because it is blessed with one million cones per square millimetre in its retina. And in water, humans are farsighted, while the kingfisher, swooping down to spear fish, can see well both in the air and water because it is endowed with two foveae – areas of the eyes, consisting mostly of cones that provide visual distinctions. One foveae permits the bird, while in the air, to scan the water below with one eye at a time. This is called monocular vision. Once it hits the water, the other foveae joins in, allowing the kingfisher to focus both eyes, like binoculars, on its prey at the same time. A frog’s vision is distinguished by its ability to perceive things as a constant moving picture. Known as “bug detectors”, a highly developed set of cells in a frog’s eyes responds mainly to moving objects. So, it is said that a frog sitting in a field of dead bugs wouldn’t see them as food and would starve.
The bee has a “compound” eye, which is used for navigation. It has 15,000 facets that divide what it sees into a pattern of dots, or mosaic. With this kind of vision, the bee sees the sun only as a single dot, a constant point of reference. Thus, the eye is a superb navigational instrument that constantly measures the angle of its line of flight in relation to the sun. A bee’s eye also gauges flight speed. And if that is not enough to leave our 20/20 “perfect vision” paling into insignificance, the bee is capable of seeing something we can’t – ultraviolet light. Thus, what humans consider to be “perfect vision” is in fact rather limited when we look at other species. However, there is still much to be said for the human eye. Of all mammals, only humans and some primates can enjoy pleasures of colour vision.According to the passage, why might birds and animals consider humans very visually handicapped?
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Read the following passage and choose the best answer (A, B, C, D):
Once restricted to luxury or super-tech buildings, home automation is proving to be an increasingly fundamental and affordable addition to architectural projects. The idea is to connect devices, which in turn connect and talk through a centralized control unit, accessible by computers, tablets, and mobile phones. For example, home automation users can turn the lights on or off at specific times each day, adjust the heater or air conditioner to turn on a few minutes before they arrive home. In addition to these immediate effects, monitoring applications can also provide accurate home information by generating detailed reports on equipment that could be working better or spending less. That is, in addition to smartphones and personal computers, appliances and sensors are able to identify patterns, process information, and perform tasks both through commands and automatically. Although it sounds like a science fiction script, these are technologies that are not so far from us. Artificial intelligence can be used to automate threat detection and perhaps more proactively alert us if something looks wrong, such as heat sensors and video cameras setting off alarms and calling firefighters in the event of a short circuit. Through facial recognition algorithms on social media, the system itself can tell if someone outside your circle of acquaintances is trying to access your space and send a message to your mobile phone. This type of technology can improve the efficiency of security systems and reduce false alarms. Automation can be useful for people with disabilities and for the elderly. People with Parkinson’s disease or other motor diseases can trigger switches without touching them, and motion sensors can trigger safety lights automatically. Blood pressure sensors and blood sugar levels can be incorporated into these systems, providing peace of mind to close relatives. The ability to automate repetitive housekeeping can free time for more important things. For example, an internet-connected refrigerator can check for missing items and make purchases online. It is important to mention that these systems must be highly protected, as a single attempt to break into this centralized system can lead to the invasion of privacy and the loss of valuable confidential information. Still, most people who have experienced life in an automated space will likely be uncomfortable returning to traditional systems
5. The word “repetitive” in paragraph 4 can be replaced by _______ -
Each sentence has a mistake. Find it bychosing A B C or D
His parents don’t allow him staying out late on weekdays.