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There are many thoughts on the origins of civilization. One of the major factors  involved was the increase in population. The development of techniques, primarily irrigation and food control, which permitted agriculture in special areas such as the flood plain of the Tigris and Euphrates rivers, made possible the support of large population. Once populations reach a certain number, the older pattern of social organization breaks down and new ones develop. Specifically the older system whereby each individual participated in food production and maintained a similar standard of living, and whereby kinship served as the basic method of social organization, was replaced by the occupational division of labor, political and religious hierarchies, public works such as road and public building construction, class systems, codes of law, markets, new forms of warfare, and urban centres. Allied with these important sociological traits are material traits, such as monumental architecture and development of science and, in many cases, metallurgy and writing systems.  The earliest civilization, Sumer, developed in the Middle East. This was the Bronze Age of the Old World, during which people first developed the art of metallurgy, civilization also arose in other parts of the Old World first in Egypt, China and India, and later in Europe and Africa. At this time, civilization also developed independently in the New World, in the Mexican area and in Peru and its neighboring areas.  In the Old World the Bronze Age was followed by the Iron Age, which saw the rise and fall of great empires and the shift of power from the Middle East to Greece and Rome and then to Western Europe. In the 1700s the Industrial Age began, leading directly to the modern civilization of today. 
5. Which of the following is NOT included in the expression “the Old World” used in the passage?

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English teenagers are to receive compulsory cooking lessons in schools. The idea is to encourage healthy eating to fight the country’s increasing obesity rate. It’s feared that basic cooking and food preparation skills are being lost as parents turn to pre-prepared convenience foods. Cooking was once regarded as an important part of education in England – even if it was mainly aimed at girls. In recent decades cooking has progressively become a minor activity in schools. In many cases the schools themselves have given up cooking meals in kitchens in the schools. But the rising level of obesity has led to a rethink about the food that children are given and the skills they should be taught. “What I want is to teach young people how to do basic, simple recipes like a tomato sauce, a bolognaise, a simple curry, a stir-fry – which they can use now at home and then in their later life”, said Ed Balls, the minister responsible for schools. The new lessons are due to start in September, but some school without kitchens will be given longer to adapt. There is also likely to be a shortage of teachers with the right skills, since the trend has been to teach food technology rather than practical cooking. Also the compulsory lessons for hands on cooking will only be one hour a week for one term. But the well-known cookery writer, Pru Leith, believes it will be worth it. “If we’d done this thirty years ago we might not have the crisis we have got now about obesity and lack of knowledge about food and so on. Every child should know how to cook, not just so that they’ll be healthy, but because it’s a life skill which a real pleasure”. The renewed interest in cooking is primarily a response to the level obesity in Britain which is among the highest in Europe, and according to government figures half of all Britons will be obese in 25 years if current trends are not stopped  
2. Which of the following is NOT the purpose for English teenagers to receive cooking lessons?

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The scholarship is renewed annually and may be stopped if the students have poor academic records or bad behaviours.

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What do you think _________ to the park if more chemicals are released into the water?

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Certainly no creature in the sea is odder than the common sea cucumber. All living creature, especially human beings, have their peculiarities, but everything about the little sea cucumber seems unusual. What else can be said about a bizarre animal that, among other eccentricities, eats mud, feeds almost continuously day and night but can live without eating for long periods, and can be poisonous but is considered supremely edible by gourmets? For some fifty million years, despite all its eccentricities, the sea cucumber has subsisted on its diet of mud. It is adaptable enough to live attached to rocks by its tube feet, under rocks in shallow water, or on the surface of mud flats. Common in cool water on both Atlantic and Pacific shores, it has the ability to such up mud or sand and digest whatever nutrients are present. Sea cucumbers come in a variety of colors, ranging from black to reddish-brown to sand-color and nearly white. One form even has vivid purple tentacle. Usually the creatures are cucumber-shaped-hence their name-and because they are typically rock inhabitants, this shape, combine with flexibility, enables them to squeeze into crevices where they are safe from predators and ocean currents. Although they have voracious appetites, eating day and night, sea cucumbers have the capacity to become quiescent and live at a low metabolic rate-feeding sparingly or not at all for long periods, so that the marine organisms that provide their food have a chance to multiply. If it were not for this faculty, they would devour all the food available in a short time and would probably starve themselves out of existence. But the most spectacular thing about the sea cucumber is the way it defends itself. Its major enemies are fish and crabs, when attacked, it squirts all its internal organs into the water. It also casts off attached structures such as tentacles. The sea cucumber will eviscerate and regenerate itself if it is attached or even touched; it will do the same if the surrounding water temperature is too high or if the water becomes too polluted.
7. What can be inferred about the defense mechanisms of the sea cucumber?

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Russia offers to establish an organization with the participation of Russia, the US, EU  states and other countries in order to resolve the issues in the Persian Gulf, Russian President Vladimir Putin stressed on Thursday during the plenary session of the Valdai Discussion Club.  "I would like to remind you that following this logic, Russia has come up with the concept of ensuring collective security in the Persian Gulf in July of this year. I think that taking into account the volatile and unpredictable situation in the region, the idea remains topical. We offer to put aside our differences and mutual claims and to establish an organization for security and cooperation in the region basically from scratch, which would include the Gulf States and which could involve Russia, China, the US, the EU, India and other interested states as observers," he said.  On July 23, the Russian Foreign Ministry introduced a concept of collective security in the Persian Gulf region. The concept includes forming an initiative group to organize an international conference on security and cooperation in the Persian Gulf area, which would lead to the establishment of an organization for security and cooperation in the region. Besides, Moscow offered to establish demilitarized zones in the region, abandon permanent deployment of units of non-regional states and establish military hotlines. Earlier, during a joint press conference on the outcomes of the talks with Russian Foreign Minister Sergey Lavrov, Iranian top diplomat Mohammad Javad Zarif welcomed the Russian initiative. He added that Iran offers to create a coalition on security in the Persian Gulf, including Iraq, Saudi Arabia, Bahrain, the United Arab Emirates, Qatar, Oman and Kuwait under the auspices of the UN. 
2. According to paragraph 2, why did the Russian president consider the issue of Persian Gulf as pressing?

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It was at this time, 1876–1877, that a new invention called the telephone emerged. It is not easy to determine who the inventor was. Both Alexander Graham Bell and Elisha Gray submitted independent patent applications concerning telephones to the patent office in Washington on February 14, 1876. Bell, in Boston at the time, was represented by his lawyers and had no idea that the application had been submitted. Gray’s application arrived at the patent office a few hours before Bell’s, but Bell’s lawyers insisted on paying the application fee immediately; as a result, the heavily burdened office registered Bell’s application first. Bell’s patent was approved and officially registered on March 7, and three days later the famous call is said to have been made when Bell’s summons to his assistant confirmed that the invention worked. Alexander Graham Bell, one year younger than Lars Magnus Ericsson, had been born in Edinburgh. Bell’s interest in telephony came through his mother, who was deaf, and his father, Alexander Melville Bell, who was a teacher of elocution, famous for the phonetic transcription system he had developed to help the deaf learn to speak. The Bell family migrated to Canada in 1870; two years later Alexander Melville Bell was offered a teaching post at a school for the deaf in Boston in the United States, but he successfully recommended his son for the post instead. Father and son were at this time working together to try to discover whether sound could be made visible for the deaf with the help of telegraphy.  But many others had already been pursuing the idea of telephony for years. A resolution of the US House of Representatives in June 2002 claimed that Bell had nefariously acquired and exploited an apparatus, the “teletrophono”, invented by Antonio Meucci long before Bell and Gray. One damaging piece of evidence for Bell was that Meucci’s material had disappeared without trace from the very laboratory at which Bell was carrying out his experiments. In the 1880s, proceedings initiated by the American government charged Bell with “fraudulent and dishonest conduct” and claimed that his patent should be revoked. These proceeding were discontinued after Meucci’s death in 1889 and the expiry of Bell’s patent in 1893. A later investigation, published by A. Edward Evenson in 2000, claims that Bell’s attorneys acquired technical details from Gray’s attorneys that are said to have been added to Bell’s patent after it had been submitted. The whole saga has elements reminiscent of a thriller. One salient fact was that Bell saw no need to take out patents for the telephone in the Nordic countries. This meant that anyone anywhere there was free to manufacture and sell telephones. Bell presented the telephone before a large audience for the first time at the World Exhibition in Philadelphia in June 1876. In the audience was the physicist William Thomson, who in August that year presented Bell’s telephone to the British Association in Glasgow. In Sweden, on September 30 that year, Dagens Nyheter became the first newspaper to refer to “the speaking telegraph”, an apparatus that “plainly and clearly conveyed the words uttered at one end of the telegraph line to the other”. The first version of Bell’s telephone, as it was described in the patent application, was not suitable for practical purposes. Only after “a relatively thorough reconstruction”, to quote Hemming Johansson, could a telephone be designed for large-scale production. The Bell Telephone Company began operating on July 11, 1877. In the same month, the first useable Bell telephone arrived in Europe to be presented in Plymouth to the British Association by the chief engineer of the General Post Office, William H. Preece, in the presence of Bell himself  
4. It can be inferred from paragraph 2 that _____

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The popular sport of golf is now widely considered an activity of rich people. Have you ever thought what makes golf so attractive to businessmen and politicians? (1) _________ they are mostly in their 50s and 60s, and with such safe and undemanding sport as golf, they still can improve their results. Golf is challenging. Among (2) ________ wealthy people, golf is exceptionally popular. Rich people really do not like to lose, and with golf, that won’t be too much of a problem because one can compete (3) _______ oneself. During a golf game, businessmen can concentrate on improving their own results while no one is trying to prevent their actions. Another thing about the challenge of golf being so charming for rich people is (4) _______ they have accomplished the impossible to reach their heights. Golf would bring new experience to their lives and make it more interesting. Maybe that’s why golf is particularly popular among older businessmen, who have already done all they wanted in life and now are looking for some new feelings. Playing golf is convenient. With rich people having very little of free time, golf is highly convenient as they can easily find golf courses open at nighttime. Besides, they wouldn’t have to drive too far to play golf. They don’t even necessarily need to have (5)_______ to play a nice round! As we already mentioned, one can play against himself to perfect the result

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The Moon is the Earth’s only natural satellite and was formed 4.6 billion years ago  around some 30–50 million years after the formation of the solar system. Science has told us so (1) ____ about the Moon that it is fairly easy to imagine what it would be like to go there. It is certainly not a friendly place. As there is no air or water, there can be no (2) ____ of any kind. There is no variety of scenery (3) ____ . For mile after mile there are only flat plains of dust with mountains around them. Above, the Sun and stars shine in a black sky. If you step out of the mountain shadows, it will (4) ____ moving from severe cold into great heat. This extreme (5) ____ continually breaks rocks away from the surface of the mountains. The Moon is also a very silent world, for sound waves can only travel through air. But beyond the broken horizon, you see a friendly sight, our earth is shining more brightly than the stars. From this distance, it looks like an immense ball, colored blue and green and brown.

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Paul Watson is an environmental activist. He is a man who believes that he must do something, not just talk about doing something. Paul believes in protecting endangered animals, and he protects them in controversial ways. Some people think that Watson is a hero and admire him very much. Other people think that he is a criminal. On July 16th, 1979, Paul Watson and his crew were on his ship, which is called the Sea Shepherd. Watson and the people who work on the Sea Shepherd were hunting on the Atlantic Ocean near Portugal. However, they had a strange prey, instead of hunting for animals, their prey was a ship, the Sierra. The Sea Shepherd found the Sierra, ran into it and sank it. As a result, the Sierra never returned to the sea. The Sea Shepherd, on the other hand, returned to its home in Canada. Paul Watson and his worked thought that they had been successful. The Sierra had been a whaling ship, which had operated illegally. The captain and the crew of the Sierra did not obey any of the international laws that restrict whaling. Instead, they killed as many whales as they could, quickly cut off the meat, and froze it. Later, they sold the whale meat in countries where it is eaten. Paul Watson tried to persuade the international whaling commission to stop the Sierra. However, the commission did very little, and Paul became impatient. He decided to stop the Sierra and whaling ships in any way that he could. He offered to pay $25,000 to an one who sank any illegal whaling ship, and he sank the Sierra. He acted because he believed that the whales must be protected. Still, he acted without the approval of the government; therefore, his action controversial. Paul Watson is not the only environmental activist. Other men and women are also fighting to protect the Earth. Like Paul Watson, they do not always have the approval of their governments, and like Watson, they have become impatient. Yet, because of their concern for the environment, they will act to protect it.
10. Watson ran into the Sierra because: 

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After World War II drew to a close in the mid-20th century, a new conflict began.  Known as the Cold War, this battle pitted the world’s two great powers–the democratic, capitalist United States and the communist Soviet Union–against each other. By the mid1950s, the U.S.-Soviet Cold War had worked its way into the fabric of everyday life in both countries, fueled by the arms race and the growing threat of nuclear weapons, wide-ranging espionage and counter-espionage between the two countries, war in Korea and a clash of words and ideas carried out in the media. These tensions would continue throughout the space race, exacerbated by such events as the construction of the Berlin Wall in 1961, the Cuban missile crisis of 1962 and the outbreak of war in Southeast Asia. Space exploration served as another dramatic arena for Cold War competition. On October 4, 1957, a Soviet R-7 intercontinental ballistic missile launched Sputnik (Russian for “traveler”), the world’s first artificial satellite and the first man-made object to be placed into the Earth’s orbit. Sputnik’s launch came as a surprise, and not a pleasant one, to most Americans. In the United States, space was seen as the next frontier, a logical extension of the grand American tradition of exploration, and it was crucial not to lose too much ground to the Soviets. In addition, this demonstration of the overwhelming power of the R-7 missile– seemingly capable of delivering a nuclear warhead into U.S. air space–made gathering intelligence about Soviet military activities particularly urgent.  Beginning in the late 1950s, space would become another platform for the competition, as each side sought to prove the superiority of its technology, its military firepower and–by extension–its political-economic system.
1. Which best serves as the title for the passage?

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A new report by the Pew Research Center has provided more documentation on the growing popularity of audiobooks. In a survey of 1,502 American adults conducted from January 8 to February 7 this year, Pew found that 20% of adults listened to an audiobook in the 12 months prior to the period in which the survey was conducted. In 2011, only 11% of them said they listened to an audiobook. The strongest gains have come since 2016—the dawning of the digital audiobooks age. The percentage of adults listening to audiobooks rose six percentage points between 2016 and the 2019 survey, after rising only three percentage points between 2011 and 2016. According to Pew, since 2018, college students and adults with household incomes over $75,000 are the two groups who have adopted listening to audiobooks the quickest. The Pew survey also found that while listening to audiobooks has risen steadily since the 2016 survey, reading e-books had declined. Twenty-eight percent of adults reported reading an e-book in 2016—double the number who listen to audiobooks that year. By the most recent survey, ebooks had only a 5% edge over audiobook usage. Overall, the Pew survey found a gradual reduction in the percentage of Americans who are reading. In 2011, 79% of those surveyed said they had read a book in the previous 12 months, a number that fell to 72% in early 2019. Print remained by far the book format of choice, with 65% or adults surveyed reporting that had read a print book within the last year, down from 71% in 2011. The percentage of adult who read a book in any format fell from 79% in 2011 to 72% in 2019.  
5. According to paragraph 4, what is the general trend of people’s reading behaviours?

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Long life expectancy can be attributed to a person’s diet - a healthy, balanced diet has been proven to improve longevity. Experts recommend eating at least five portions of a variety of fruit and vegetables every day, basing meals on higher starchy foods like potatoes, bread and rice, having some dairy or dairy alternatives, eating some protein, choosing unsaturated oils and spreads, and drinking plenty of fluids. But new research, published this week, has found the times of day a person eats holds the most benefits. Dr Mark Mattson, a professor of neuroscience at John Hopkins University School of Medicine, in the US, has said “intermittent fasting could be part of a healthy lifestyle.” Intermittent fasting diets usually involve daily time-restricted feeding, which narrows eating times to six to eight hours per day and so-called 5:2 intermittent fasting, in which people limit themselves to one moderate-sized meal two days each week. A range of human and animal studies have shown that alternating between times of fasting and eating supports cellular health, probably by triggering an age-old adaptation to periods of food scarcity called metabolic switching. Such a switch occurs when cells use up their stores of rapidly accessible, sugar-based fuel, and begin converting fat into energy in a slower metabolic process. Dr Mattson says studies have shown that this switch improves blood sugar regulation, increases resistance to stress and suppresses inflammation. Because most Americans eat three meals plus snacks each day, they do not experience the switch, or the suggested benefits. In an article in the New England Journal of Medicine, Dr Mattson said four studies in both animals and people found intermittent fasting also decreased blood pressure, blood lipid levels and resting heart rates.  
5. According to paragraph 3, how can practicing intermittent fasting benefit a person’s health?

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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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You get off your plane and make your way to the Baggage Reclaim area. After quite some time spent waiting, their is no sign of your bags and you begin to consider the possibility that they may have gone (1) _________. What should you do? Firstly, don’t panic. The most likely (2) _________ is that your bags simply didn’t make it onto the flight, perhaps because they were mislaid at the departure airport, or perhaps because the aircraft had already (3) _________ its weight allowance. If they fail to appear on the carousel, report the loss before you leave the baggage hall and go through customs. Recovering your luggage should be no problems, (4) ______ you’ve kept hold of your baggage checks – those little barcodes stuck to the back of your tickets at check-in. Go to the handling agent’s desk and complete a Property Irregularity Report (PIR) form, (5) _________ describes the checked bag and its contents. Then, ask the baggageservices manager for a contact telephone number and confirm that your bags will be forwarded to your final destination

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To save electricity, we are cutting down __________ our central heating.

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The government's interference in the strike has been widely criticised

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

 Every cell carry genetic material that can produce a complete organism

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

A smile can be observed, described, and reliably indentify; it can also be elicited and manipulated under experimental conditions

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

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The valley is so dangerous to live in.