Rewrite the sentence:
I said that she should see a doctor.

 

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Without plants, most water ____________ off as soon as it falls, taking away valuable soil.

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A (1) ______ teacher can reach thousands of students in an online course, opening up a world of knowledge to anyone with an internet connection. This limitless reach also offers substantial benefits for school districts that need to save money, by reducing the number of teachers. (2) __________, in high schools and colleges, there is mounting evidence that the growth of online education is hurting a critical group: the less proficient students (3) _______ are precisely those most in need of skilled classroom teachers. Online courses can be broken down into several categories, and some are more effective than others. In “blended” courses, for example, students don’t do their work only online: They also spend time in a classroom with a flesh-and-blood teacher. Research suggests that students — at nearly all levels of achievement — do just as well in these blended classes as they do in traditional classrooms. In this model, online resources supplement traditional instruction but don’t replace it. In the fully online model, on the other hand, a student may never be in the same room with an instructor. This category is the main problem. It is where less proficient students tend to (4) _________ trouble. After all, taking a class without a teacher requires high levels of self-motivation, self-regulation and organization. Yet, in high schools across the country, students who are struggling in (5) ________classrooms are increasingly steered into online courses

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Andrew Jackson Beard lived an extraordinary life for a black American inventor. Unlike the vast majority of inventors who never profit from their patents, he profited from his inventions. Andrew Beard was born a slave on a plantation in Woodland, Alabama, in 1849, shortly before slavery ended. He received emancipation at age 15 and he married at age 16. Andrew Beard was a farmer, carpenter, blacksmith, a railroad worker, a businessman and finally an inventor. He grew apples as a farmer near Birmingham, Alabama for five years before he built and operated a flour mill in Hardwicks, Alabama. His work in agriculture led to tinkering with improvement for plows. In 1881, he patented his first invention, an improvement to the double plow, and sold the patent rights for $4,000 in 1884. His design allowed for the distance between the plow plates to be adjusted. That amount of money would be the equivalent of almost $100,000 today. In 1887, Andrew Beard patented a second plow and sold it for $5,200. This patent was for a design that allowed the pitch of the blades of plows or cultivators to be adjusted. The amount he received would be the equivalent of about $130,000 today. In 1897, Andrew Beard patented an improvement to railroad car couplers. His improvement came to be called the Jenny Coupler. It was one of many that aimed to improve the knuckle coupler patented by Eli Janney in 1873 (patent US138405). The knuckle coupler did the dangerous job of hooking railroad cars together, which formerly was done by manually placing a pin in a link between the two cars. Beard, himself had lost a leg in a car coupling accident. As an ex-railroad worker, Andrew Beard had the right idea that probably saved countless lives and limbs. Beard received three patents for automatic car couplers. These are US594059 granted November 23, 1897, US624901 granted May 16, 1899, and US807430 granted on May 16, 1904. While there were thousands of patents filed at the time for car couplers, Andrew Beard received $50,000 for the patent rights to his Jenny coupler. This would be just shy of 1.5 million dollars today. Congress enacted the Federal Safety Appliance Act at that time to enforce using automatic couplers. Andrew Jackson Beard was inducted into the National
Inventors Hall of Fame in 2006 in recognition of his revolutionary Jenny coupler
1. Which best serves as the title for the passage?

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Many countries in Asia agreed to _____ diplomatic relations.

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The era of “smart cities”, controlled by an ecosystem of sensors, cameras and  algorithms, is fast approaching. In China, state media claim 500 are under construction. In Canada, Alphabet has plans for turning parts of Toronto into a timber-framed tech town as a prototype. Incremental steps are also making cities smarter. Last week, Transport for London announced plans to track Tube passengers through WiFi to monitor congestion. In the US, fast-food drive-throughs will trial number plates scanners to make ordering faster. Individually these services can improve daily life. Integrating them will create something more powerful than the sum of its parts.  Though convenience and safety are the end goals, serious questions about how city authorities will both store and share vast bodies of data must be answered. The fact that surveillance is built into key transport infrastructure will also make it increasingly difficult to avoid without disrupting daily life. The smart city risks creating a panopticon in the name of an easier and better life. The risks of anonymity disappearing will be increased by the use of different data sets, making it more likely that identifiable characteristics may appear. Closely linked to this is the question of data storage and sharing. The treasure trove of personal information will be a tempting target for hackers. This information might also be used by law enforcement, feeding into the existing dangers of mass surveillance and profiling, as is already the case in China.  These concerns have long been levelled at social media and internet-enabled home appliances. Smart city surveillance can be even more insidious. Users can avoid Facebook or hardware such as Alexa. Avoiding basic infrastructure will be near impossible without seriously affecting day-to-day life. TfL has put up signs warning customers of the WiFi tracking, yet the only choice is between tracking and having no signal. Reports on the facial recognition at airports in America suggest that avoiding being automatically scanned will be tough as well. As these systems become more closely enmeshed, avoiding snooping will become increasingly tricky.  The inevitable rise of smart cities is not inherently negative. Harnessing the power of technology and data can potentially help urban environments adapt to challenges such as climate change and overcrowding. Politicians, programmers and academics must work to ensure that does not come at the cost of all-seeing, 24-hour surveillance. 
6. The word “Harnessing” in paragraph 4 is closest in meaning to _______

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Sam didn't get much formal _______.

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Just as optical fibers have transformed communication, they are also revolutionizing medicine. These ultra - thin, flxible fiers have opened a window into the living tissues of the body. By inserting optical fibers through natural openings or small incisions and the threading them along the body's established pathways, physicians can look into the lungs, intestines, heart and other areas that were formerly inaccessible to them. The basic fiber-optics system is called fiberscope, which consists of two bundles of fibers. One, the illuminating bundle, carries light to the tissues. It is coupled to a high-intensity light source. Light enters the cores of the high-purity silicon glass and travels along the fibers. A lens at the end of the bundle collects the light and focuses it into the other bundle, the imaging bundle. Each fibers in the bundle transmits only a tiny fraction of the total image. The reconstructed image can be viewed through an eyepiece or displayed on a television screen. During the last five years, improved methods of fabricating optical fibers have led to a reduction in fiberscope diameter and an increase in the number of fibers, which in turn has increased resolution. Optical fibers can also be used to deliver laser light. By use of laser beams, physicians can perform surgery inside the body, sometimes eliminating the need of invasive procedures in which healthy tissue must be cut through to reach the site of disease. Many of these procedures do not require anesthesia and can be performed in a physician's office. These techniques have reduced the risk and the cost of medical care.
3. Which of the following is closest in meaning to the word formerly?

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Your friend stayed up late studying for an important exam.
"............"

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The temperature of the earth is rising at nearly twice the rate it was 50 years ago. This rapid rate and pattern of warming, scientists have concluded, cannot be explained by natural cycles alone. The only way to explain the pattern is to include the effect of greenhouse gases (GHGs) emitted by humans. To come to a conclusion on climate change, the United Nations formed a group of scientists called the Intergovernmental Panel on Climate Change, or IPCC. The IPCC meets every few years to review the latest scientific findings and write a report summarizing all that is known about global warming. Each report represents a consensus, or agreement, among hundreds of leading scientists. One of the first things the IPCC learned is that there are several greenhouse gases responsible for warming, and humans emit them in a variety of ways. Most come from the combustion of fossil fuels in cars, factories and electricity production. The gas responsible for the most warming is carbon dioxide, also called CO2. Other contributors include methane released from landfills and agriculture, especially from the digestive systems of grazing animals, nitrous oxide from fertilizers, gases used for refrigeration and industrial processes, and the loss of forests that would otherwise store CO2. Different greenhouse gases have very different heat-trapping abilities. Some of them can even trap more heat than CO2. A molecule of methane produces more than 20 times the warming of a molecule of CO2. Nitrous oxide is 300 times more powerful than CO2. Other gases, such as chlorofluorocarbons, or CFCs, which have been banned in much of the world because they also degrade the ozone layer, have heat-trapping potential thousands of times greater than CO2. But because their concentrations are much lower than CO2, none of these gases adds as much warmth to the atmosphere as CO2 does. In order to understand the effects of all the gases together, scientists tend to talk about all greenhouse gases in terms of the equivalent amount of CO2. Since 1990, yearly emissions have gone up by about 6 billion metric tons of “carbon dioxide equivalent” worldwide, more than a 20 percent increase.  
3. According to paragraph 2, what is the main work of IPCC every few years?

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My father wants me to get the_____ score in the exam.

Each sentence has a mistake. Find it by chosing A B C or D

Because human eyes are not very good for determining speeds of approaching objects, radar can show a pilot how fast nearly planes are moving

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The Nobel Prizes were established by the Swedish inventor, Alfred Bernhard Nobel. Nobel was the inventor of dynamite. (1) ____ his invention brought him much wealth and fame, Nobel realized how destructive dynamite could be. His own brother was (2) ____ in an explosion while working in the laboratory. Nobel thus spent a lot of time and energy promoting world peace to reduce the need to use dynamite in war. He also advocated the settlement of conflicts through diplomatic means. Before Nobel died, he (3) ____ his money to establish a fund. Every year, the interest from this fund was to be given to the person who has done the most good for mankind in that year. There are (4) ____ in the fields of physics, chemistry, medicine and literature. The most prestigious award, however, is the Nobel Peace Prize. This is given to the person who has done the most to promote world peace. One of the most (5) ____ persons to have received the award was Mahatma Gandhi of India

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Traditional media come from the people and antecede the mass media; their appeal has historically been both functional and aesthetic. Whether of roughly hewn folk origins or of classifically rigid moulds, they have always served to entertain, educate to reinforce existing ideas or ideologies or to change existing values and attitudes. In other words, it is a means of changing values, attitudes and norms in order to provide a proper climate for social and economic progress. It is also a method of promoting certain behavioural acts or patterns. The aim is to get people to perform specific acts to achieve objectives of national policy (e.g. visiting clinics, investing in bonds, using fertilizer). Moreover, it is a channel for conveying information about available techniques and facilities which people may use to solve problems. Being close to people at the local level, these channels are potentially useful in the service of social concerns, as determined by local, provincial or national authorities themselves. They are, moreover, abundantly present in areas where mass media technology has not been fully or effectively developed to capture sustained interest at local, provincial or national levels. Folk media are personal forms of entertainment and communication. This is important because behavioural changes are most easily brought about by personal interaction. These forms of art are a part of the way of life of a community and provide acceptable means of bringing development issues into the community in its own-terms. They are capable of reaching intimate social groups, thus making use of already established communication networks in the audience. 
1. Why is traditional media considered the root of mass media?

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Nowadays, dozens of interventions are known that extend the lifespan of various living organisms ranging from yeast to mammals. They include chemical compounds, genetic interventions, and diets. Some targets of these interventions have been discovered. However, there is still no clear understanding of the systemic molecular mechanisms leading to lifespan extension. A group of scientists from Skoltech, Moscow State University and Harvard University decided to fill this gap and identify crucial molecular processes associated with longevity. To do so, they looked at the effects of various lifespan-extending interventions on the activity of genes in a mouse, a commonly used model organism closely related to humans. “In our lab, we subjected mice of different sexes and ages to 8 longevity interventions and analyzed gene expression changes induced by these treatments. After aggregating our data with the datasets published by other groups, we obtained gene activity profiles of 17 interventions. Although in general the effects produced by individual treatments turned out to be rather specific, a certain group of genes changed its expression in a similar way in response to different lifespan-extending interventions,” says the first author of the study, Alexander Tyshkovskiy. The scientists then applied the discovered biomarkers to search for other interventions with the same effect on their activity and, therefore, high potential for lifespan extension "Currently, we are validating these hits by testing their effect on the mouse lifespan. We hope that our biomarkers will significantly facilitate the search for new longevity interventions and help improve the healthspan and lifespan in rodents and, in the long term, in humans," says Alexander. 
4. The word “their” in paragraph 4 refers to _______

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Herman Melville, an American author best known today for his novel Moby Dick, was actually more popular during his lifetime for some of his other works. He traveled extensively and used the knowledge gained during his travels as the basis for his early novels. In 1837, at the age of eighteen, Melville signed as a cabin boy on a merchant ship that was to sail from his Massachusetts home to Liverpool, England. His experiences on this trip served as a basis for the novel Redburn (1849). In 1841, Melville set out on a whaling ship headed for the South Seas. After jumping ship in Tahiti, he wandered around the islands of Tahiti and Moorea.This South Sea island sojourn was a backdrop to the novel Omoo (1847). After three years awayfrom home, Melville joined up with a U.S. naval frigate that was returning to the eastern United States around Cape Horn. The novel White Jacket (1850) describes this lengthy voyage as a navy seaman. With the publication of these early adventure novels, Melville developed a strong and loyal following among readers eager for his tales of exotic places and situations. However, in 1851, with the publication of Moby Dick, Melville's popularity started to diminish. Moby Dick, on one level the saga of the hunt for the great white whale, was also a heavily symbolic allegory of the heroic struggle of humanity against the universe. The public was not ready for Melville's literary metamorphosis from romantic adventure to philosophical symbolism. It is ironic that the novel that served to diminish Melville's popularity during his lifetime is the one for which he is best known today.
8. According to the passage, Moby Dick is.....

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Australia has a well-organized and well-structured education system. The education starts at the age of five or six, but it may differ by a narrow margin between states. It starts with the preschool education which is not compulsory and can be offered within a school or separately. The primary and secondary school encompasses the compulsory education for Australians. There are a large number of primary and high school across the country with most of them being public schools. It is estimated that public schools amount to 60% of scholars as opposed to 40% in private settings. All these education providers must be licensed by the government and must fulfill certain requirements including infrastructure and teaching. Universities, on the other hand, are mainly public institutions. The Australian education system has established a standard curriculum so all scholars will be given the same quality of education. Despite there may be some states at which this curriculum is modified a bit, but the change is not that significant. The actual curriculum set  out in Australia education system is based on important abilities one must have in his life: Literacy, Numeracy, Information and communication technology, Critical and creative thinking, personal and social capability, ethical understanding, intercultural understanding. Vocational and Technical schools prepare students that want to skip the university and want to move directly to the job market. Actually, here it stands the difference between universities and colleges: the Vocational and Technical Schools are more oriented in teaching practical skills while university courses are mainly theory-based to lead students to different academic careers. There are hundreds of other schools out there that provide technical and further education (TAFE) and vocational education and training (VET). These schools offer short courses, certificates I through IV, diplomas, and advanced diplomas. They focus on training their students in a particular vocation or just to help their students get out into the workplace. These schools offer a wide variety of courses and qualifications attained by these courses can lead to different career pathways to follow afterward  Australian higher education modernity and reputation relies on a huge number of educational providers including universities and different training organizations. Currently, there are 43 universities across the country. The vast majority of universities are public except two private universities. The world-class teaching offered is surely undisputed. Seven Australian universities are traditionally found at the top 100 best universities in the world which is a sufficient indicator to highlight their quality. Besides universities, more than 5,000 training organizations are registered and accredited. Actual figures show that the number of enrolled students is around 3.8 million with international students sharing more than half a million. There are also 3 self-accrediting higher education institutions. Furthermore, dozens of smaller schools do not grant any degrees or have an accreditation – these are private schools that focus on theology, business, information technology, natural therapies, hospitality, health, law, and accounting.  
5. The word “They” in paragraph 3 refer to _________

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Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun.

Each sentence has a mistake. Findit by chosing A B C or D

Technicians are examining the missile to determined why it didn’t fire

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Parents in most cases want the best for their children, and to ensure this, they are  pushed to actively engage in their children’s lives, to ensure that they are making the right choices. Some parents, however, go to the extent of wanting to have the upper hand even when it comes to taking major decisions, such as choosing a career.  Local comedian and actor, Michael Sengazi, was obliged by his parents to pursue a career in law, a path he followed when he joined University of Kigali, but deep down he knew this wasn’t his dream career. This is why after graduating he chose to follow his passion —comedy. His parents failed to understand how a qualified lawyer could decide to go for comedy because they didn’t see it as a ‘well-paying job’. He had a challenge of convincing them to bless his journey. “So, I asked them to give me one year to try and see if comedy would work out for me. I worked hard and my parents realised that I could achieve big things, and they gave me the freedom to pursue the career.”  Bienvenue Muragwa, a career consultant at The Southern New Hampshire University based in Rwanda, says that parents are only allowed to guide the child during the career guidance process, but not take the final decision. “Parents are not allowed to choose or take the final decision for their children as the performance of the student is the assessing parameter of the career to be pursued,” he explains.  Shalom Azabe, a graduate in general counselling at Kampala Christian University, says in most African countries, not only Rwanda, children are overly dependent on their parents, yet this shouldn’t be the case. She recommends picking a leaf from westerners who endeavour to learn their children’s interests, something she says aides them in career guidance for the child. “Normally, a child starts to demonstrate a choice in career at 14 years of age. This is when parents need to sit down and make analysis that would help them guide their child in choosing the fitting option to undertake. This is in fact considered as overprotection as parents want to exercise their authority on their kids unwillingly, yet this affects them psychologically, and when the kid later on fails, they encounter a regret of pursuing studies that were not their choice in the first place,” Azabe said.
8. Which of the following can be inferred from the passage?

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A Tidal Stream Generation system reduces some of the environmental effects of tidal barrages by using turbine generators beneath the surface of the water. Major tidal flows and ocean currents, like the Gulf Stream, can be exploited to extract its tidal energy using underwater rotors and turbines. Tidal stream generation is very similar in principle to wind power generation. Water currents flow across a turbines rotor blades which rotates the turbine, much like how wind currents turn the blades for wind power turbines. In fact, tidal stream generation areas on the sea bed can look just like underwater wind farms. Unlike off-shore wind power which can suffer from storms or heavy sea damage, tidal stream turbines operate just below the sea surface or are fixed to the sea bed. Tidal streams are formed by the horizontal fast flowing volumes of water caused by the ebb and flow of the tide as the profile of the sea bed causes the water to speed up as it approaches the shoreline. As water is much more denser than air and has a much slower flow rate, tidal stream turbines have much smaller diameters and higher tip speed rates compared to an equivalent wind turbine. Tidal stream turbines generate tidal power on both the ebb and flow of the tide. One of the disadvantages of Tidal Stream Generation is that as the turbines are submerged under the surface of the water they can create hazards to navigation and shipping. Other forms of tidal energy include tidal fences which use individual vertical-axis turbines that are mounted within a fence structure, known as the caisson, which completely blocks a channel and force water through them. Another alternative way of harnessing tidal power is by using an “oscillating tidal turbine”. This is basically a fixed wing called a Hydroplane positioned on the sea bed. The hydroplane uses the energy of the tidal stream flowing past it to oscillate its giant wing, similar to a whales flipper, up and down with the movement of the tidal currents. This motion is then used to generate electricity. The angle of the hydroplane to the flow of the tide can be varied to increase efficiency. Tidal energy is another form of low-head hydro power that is completely carbon neutral like wind and hydro energy. Tidal power has many advantages compared to other forms of renewable energy with its main advantage being that it is predictable. However, like many other forms of renewable energy, tidal energy also has its disadvantages such as its inflexible generation times dependant upon the tides and the fact that it operates in the hostile conditions of the oceans and seas
4. What is mentioned in the passage as a disadvantage of Tidal Stream Generation?