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Are you preparing for a big test? If so, you may want to play some basketball in between hitting the books. Based on information they have collected over the years, researchers have seen an apparent connection between exercise and brain development. Judy Cameron, a researcher at Oregon Health and Science University, studies brain development. According to her research, it seems that exercise can make blood vessels, including those in the brain, stronger and more fully developed. Cameron claims this allows people who exercise to concentrate better. She says, “While we already know that exercise is good for the heart, exercise can literally cause physical changes in the brain.” The effects of exercise on brain development can even be seen in babies. Babies who do things that require a lot of movement and physical activity show greater brain development than babies who are less physically active. With babies, even a little movement can show big results. Margaret Barnes, a pediatrician, believes in the importance of exercise. She thinks that many learning disabilities children have in elementary school or high school can be traced back to a lack of movement as babies. “Babies need movement that stimulates their five senses,” says Barnes. “They need to establish a connection between motion and memory. In this way, as they get older, children will begin to associate physical activity with higher learning.” The benefits of exercise on the brain are not just for babies. Older people can beef up their brains by working out as well. Researchers at Cornell University studied a group of seniors ranging in age from seventy to seventy-nine. Their study showed a short-term memory increase of up to forty percent after exercising just three hours a week. The exercise does not have to be very difficult, but it does have to increase the heart rate. Also, just like the motion for infants, exercise for older people should involve some complexity. Learning some new skills or motions, such as with yoga or tai-chi, helps open up memory paths in the brain that may not have been used for a long time  
1. Which of the following could be the main idea of the passage?

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An integral part of human life is the sports. As we all know, many competitive and  entertaining activities are engaged in sports. A sport is a way to stay fit and healthy. If we want to be physically fit we have to have an active life to stay healthy, so it is always a good idea to participate in sports and games.  The sport has inherent discipline and physical demands so that enthusiasts tend to maintain a healthy lifestyle. Weight loss, more energy, better mobility and a lot of things can come from the sport. All of this can describe a good person’s health. People are taught by sports and games to appreciate their health. The energy and vitality necessary to participate cannot be sustained without health. For professional athletes, their fitness and health depend on their livelihood. Sport also aims to keep individuals in good health and endurance.  Water is the most important nutrient that we cannot live without. If you do sports, you tend to sweat more thus increase your metabolic rate. If you do not replace these fluids, you can have very serious health problems or you can even die. To have a healthy and active body we need to eat essential nutrients. Participating in sports activities will encourage you to drink more water since we develop the urge to do so when we participate in physical activities.  When participating in sports activities we come to learn new things. It makes us learn how to tackle things the difficult situation. Sports develop a sense of unity and brotherliness. It develops team spirit in us. It helps in developing mental and physical toughness. It improves our efficiency. With our day-in-day-out activities, we tend to become exhausted the more reason we need sports in our lives to help us forget stressful things we go through. Everybody should always play a sport once a week to keep themselves fit and healthy. Sport is a fundamental phase for a child who is learning. In education, it helps the students keep their value in life, students are taught various games in the very early stage of life at school. Nurturing sports talents from school encourages a lot of talented children and it affirms the sportsmanship in them. Those students who perform well are promoted to play at the national and international level. Sports can be a carrier developing option for many students.  As we know, a physical activity governed by a set of rules or habits is called sport. Sport is often involved in the competition. The sport was originally developed for recreation. When people want to do the distraction or recovery, they usually do sports, sports games or skill tests. From this, we can conclude that sport has large and varied manifestations.  Sport can be played indoors or outdoors. It can be done by individual or team, with or without competition. And we know that sport requires skill and physical effort. The growth and development of sport and its related industries were witnessed by modern sport. Because we know that a healthy person is a wealthy person, the sport is the secret of both health and prosperity. 
4. According to paragraph 3, what can give you serious health problems or you can even die?

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Alexander Hamilton was born on January 11, 1755 or 1757 in the West Indies. Due to his mother’s lack of marital status, Hamilton was not seen as a legitimate child and was thus denied access to church schools. When his mother died he was adopted by a merchant in Nevis, where he worked as a clerk. During his time in Nevis, Hamilton continued to write; one of his essays impressed the community leaders so much that they worked together and collected funds to send Hamilton to the colonies. Hamilton served in the revolutionary war, during which time he worked his way through battles and earned himself a place aiding General Washington. After the war, Hamilton was elected into the Congress of the Confederation. He was dissatisfied with the decentralized government that was set up and the inability to raise money from the states to pay the soldiers. Hamilton was involved in the Constitution Convention but did not fully agree with the document; despite his disagreements, he promoted the document because he believed it was a vast improvement over the Articles of Confederation. He pushed the ratification of the Constitution, teaming up with John Jay and James Madison to write the Federalist papers, which were often cited when pushing for the Constitution’s ratification. Alexander Hamilton was appointed as the country’s first Secretary of The Treasury on September 11, 1789. During his time as Secretary of the Treasury Hamilton helped write economic policies, develop the funding of state debts, establish the national bank, create a national currency, a system of tariffs, and a peaceful trade relationship with Britain. After his time in politics finished, Alexander Hamilton went back to New York to practice law. He died in a duel with Aaron Burr in Weehawken, New Jersey on July 12, 1804  
2. According to paragraph 1, what can be concluded from Alexander Hamilton’s childhood?

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We couldn't hear anything because of the ____ noise of the drums the next-door neighbours were playing.

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“Parents today want their kids spending time on things that can bring them success, but (1) ___________, we’ve stopped doing one thing that’s actually been a proven predictor of success—and that’s household chores,” says Richard Rende, a (2)_________ psychologist in Paradise Valley, Ariz., and co-author of the forthcoming book “Raising Can-Do Kids.” Decades of studies show the benefits of chores—academically, emotionally and even professionally. Giving children household chores at an early age (3)_____ to build a lasting sense of mastery, responsibility and self-reliance, according to research by Marty Rossmann, professor emeritus at the University of Minnesota. In 2002, Dr. Rossmann analyzed data from a longitudinal study (4)____________ followed 84 children across four periods in their lives—in preschool, around ages 10 and 15, and in their mid-20s. She found that young adults who began chores at ages 3 and 4 were more likely to have good relationships with family and friends, to achieve academic and early career success and to be self-sufficient, as (5)__________ with those who didn’t have chores or who started them as teens. Chores also teach children how to be empathetic and responsive to others’ needs, notes psychologist Richard Weissbourd of the Harvard Graduate School of Education

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New data from Akamai, an internet delivery and cloud services company, has exposed that the video game industry remains a growing threat vector for security breaches. Hackers have targeted 12 billion credential stuffing attacks against game websites within a 17-month period The rise and success of credential stuffing attacks is a result of people continuing to reuse the same passwords across multiple accounts. Google identified that 59% of online users reuse passwords. When a data breach happens, user credentials are exposed and can subsequently be found on the internet and the dark web. Cybercriminals use a bot with a list of exposed credentials against a website to gain access to an account on that site. The reason that gaming is subject to so many breaches is twofold; No. 1, most video game companies use low-friction authentication measures because increasing friction drives customer attrition and results in a loss of revenue. The second issue is that from a consumer perspective, gaming is seen as having a low financial risk and, as a result, gamers tend to use less secure passwords. Adding to these challenges is the fact that game developers are pressured to deliver more products at a faster pace, meaning there are more bugs and security issues for cybercriminals to exploit. This has created a perfect storm in the video game industry upon which hackers are all too eager to capitalize.   A significant number of gamers are young — elementary, middle, and high schoolaged — who are less security-conscious and more trusting of people they meet online. To them, privacy is a learned behavior leaving them open to exploitation. They may need to be taught best practices to safeguard their accounts and understand the risks of using weak passwords linked to the games they play. Providing a seamless online experience is paramount in the digital age and, as a result, many organizations balk at implementing robust security procedures for fear of alienating customers. The challenge for the video game industry is to find a balance between increased security without frustrating its players. One notable exception is Microsoft, which has deployed vigorous security measures with Xbox in line with the rest of its business. Without a fundamental change in approach from both gamers and the industry overall, the escalation of this problem shows no signs of slowing down.  
8. Which of the following can be inferred from the passage?

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Continuing education is required for workers to stay current with the latest developments, skills, and new technologies required for their fields. Certain professions also require continuing education to comply with laws, remain licensed or certified, or maintain membership in an association or licensing body. Many careers require continuing education. For example, teachers, real estate agents, and engineers are required to have a base of education and then receive updated education as they continue to work in their fields. Nursing, pharmacy, accounting, and criminal justice are additional fields in which professionals must continue to develop the skills necessary for ever-changing environments. For nurses, there are typically two types of continuing education. The first is required for them to remain licensed in their states. The second type of continuing education allows them to get more advanced degrees and qualify for higher-level nursing positions. In the fastpaced pharmacy field, continuing education is important for career growth and licensure. Pharmacists need continuing education to renew their state licenses. Continuing education focuses on subject areas in health care, including pharmacology, patient counseling, regulatory issues, and other topics that contribute to professional pharmacy practice.  Certified public accountants (CPAs) must meet continuing education requirements established by the State Board of Accountancy of the states where their CPA licenses are held. The requirements vary from state to state. The American Institute of CPAs (AICPA) also requires certain continuing education for CPAs to maintain membership. Meanwhile, criminal justice professionals need to stay up-to-date on the new laws, procedures, and technologies to reinforce the knowledge they have already gained. Criminal justice and legal fields include a variety of jobs, such as probation and parole officers, summary court officials, emergency management personnel, and crime scene technicians. Many of these careers require an undergraduate degree for entry, and then professionals must complete continuing education courses as they progress in their careers. Crime scene investigators and evidence technicians must maintain certifications specific to the collection, processing, and maintenance of evidence. Traffic crash reconstructionists must maintain accredited certifications. Emergency management professionals must complete and maintain certifications for their respective states and the Federal Emergency Management Agency (FEMA). Howard concluded “Today’s professionals must, therefore, commit to a ‘life-long learning’ philosophy that enhances effectiveness, diagnose and more quickly solves problems, while moving away from the traditional autocratic management styles.” Whether it is required or not, continuing education can be important for career satisfaction.  
2. According to paragraph 1, why is continuing education important for the working forces?

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If you don’t know how to spell a word, you ……… look it up in the dictionary.

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On April 3, 1972, a man came out of the Hilton hotel in Manhattan and started walking down the street. He stopped, (1)______ his hand with a strange object in it, put it to his ear and started to talk into it. This was the beginning of mobile phone (2)_______, more than 30 years ago. That man was Motorola’s project manager, Martin Cooper, who was (3)______ his 34th birthday that day. The strange object was the first mobile phone, which was nicknamed “the shoe” because of its unusual (4)_______. Mr. Cooper had gone to New York to introduce the new phone. The first call he made was to his rival, Joe Engel at AT&T’s research centre. Engel was responsible for the development of the radiophones for cars. “I called him and said that I was talking on a real mobile phone (5)_____ I was holding in my hand,” said Cooper. “I don’t remember what he said in reply, but I’m sure he wasn’t happy.” The quality of the call was very good, because although New York had only one base station at that time, it was being used by only one user – Martin Cooper.

Choose the answer A, B, c or D to fill the blank space in the following passage.

"Speech is one of the most important ways of communicating. It consists of far more than just (1)….. noises. To talk or to (2)…. by other people, we have to master a language, that is, we have to use combinations of sound that (3)….. for a particular object or idea. Communication (4)…. impossible if everyone (5)….. up their own language.
Learning a language is very important. The basic vocabulary of English is not very large, and only about 2,000 words are needed to speak (6)…. quite well. But the more words you know, the more ideas you can express, and the more precise you can be (7)…. their meaning. Words are the main things we use (8)…. what we want to say. The way we say the words (9)…. also very important. One tone of voice can express (10)…. emotions and show whether we are pleased or angry for instance."

9. The way we say the words (9)…. also very important. 

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The car has been .................... in clay.

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Knowing what to expect from your destination will make all aspects of planning an adventure trip easier, as well as helping you to get the most out of the experience. Research will help you pick the best places to go but you’ll also learn what you need to pack. What health and safety (1) __________ to take, and what cultural (and sometimes political) issues you should be aware of. Climate and seasonal pricing are important factors in your decision about when to go. (2) ______ for adventure travel, bad weather or weather you’re not prepared for can ruin the trip. While you can’t predict the (3) __________ weather in advance, you can learn about climate trends ahead of time when doing your destination research. Seasonal popularity and pricing should also be considered if you intend to keep away from peak-season crowd and prices. While some research is absolutely essential, don’t plan every moment of your trip in advance. Over-planning tends to make us less (4) __________ to take part in the spontaneous events that are part of any sort of adventure travel. It’s really important to (5)_________ a big reserve of excitement and energy ready for the unexpected adventures.  

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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. 
5. The word “auspices” in paragraph 3 is closest in meaning to ______

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

Our family is a base from which we can go into the world with confidently

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Classrooms have changed considerably in the last hundred years. In the early 1900s, the (1) ______ class in England was twice as big as the average in the 1960s – sixty pupils per class compared with thirty. Nowadays, the average class size in a secondary school is twentythree, (2) ______ is still higher than in many other countries. A hundred years (3) ______, teachers were stricter than today. Punishment was also more severe: pupils were often hit for bad behaviour - a practice not allowed in schools today. The curriculum in the past was also (4) ______ extensive and concentrated on the three Rs - Reading, Writing and Arithmetic – whereas today’s curriculum includes everything from business studies to philosophy. Some people think that the teaching methods used in schools today are not as (5) ______ as those used in the past but, given the wide range of interactive tools available today, the 21st century is definitely the most interesting time to be in the classroom for teachers and pupils alike

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Go is a game that has been around for 3000 years. It is widely accepted as the most challenging strategy game that exists. It takes years of playing for several hours every day to master the game. In other words, even though it has simple rules, it is not a simple game to excel at. Surprise! Deep Mind managed to create a machine that could master the game, without being programmed with explicit rules and without being taught by a professional Go player. AlphaGo mainly played against itself and learned from this self-play. At its core, it learned like a human learns, by looking at the board, evaluating the options, making moves, and learning from mistakes - it just did it a lot faster than any human can. This is extremely exciting because, at its core, what it means is that computer scientists have had all the tools they needed to do this for years. Neural networks have been known about and discussed since the middle of the last century. All it really took was simply getting creative with them, applying them in new ways. AlphaGo beating the world’s best Go player proves that AI has the potential to do anything. It can learn anything and understand anything, and from that learning and understanding it can accomplish what humans can accomplish in a much shorter period of time. You’re probably wondering what this all means. We’re much closer to the dream of an AI best friend than most of us would have dared to imagine a few years ago. AlphaGo can learn the most complex, intuition and creativity based logic game known to man and it didn’t do so through a finite database or search trees alone. It learned from practice and experience, just like we do, and the ability to create amazing new solutions to ancient puzzles suggests a realm of digital creativity never before fathomed. AlphaGo is not like other game playing AIs that have come before it. It is the future of intelligent and intuitive machines, one that we plan to turn toward more than just board games. From practical applications to that friend you’ve been hoping for, AlphaGo is sure to be the first of a new generation of self-learning intuitive AIs that go above and beyond the limited calculating capacities of its older siblings and contemporaries. The AI winter is over.
5. The word “realm” in paragraph 3 is closest in meaning to _______

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For 150 years scientists have tried to determine the solar constant, the amount of solar energy that reaches the Earth. Yet, even in the most cloud-free regions of the planet, the solar constant cannot be measured precisely. Gas molecules and dust particles in the atmosphere absorb and scatter sunlight and prevent some wavelengths of the light from ever reaching the ground. With the advent of satellites, however, scientists have finally been able to measure the Sun's output without being impeded by the Earth's atmosphere. Solar Max, a satellite from the National Aeronautics and Space Administration (NASA), has been measuring the Sun's output since February 1980. Although a malfunction in the satellite's control system limited its observation for a few years, the satellite was repaired in orbit by astronauts from the space shuttle in 1984. Max's observations indicate that the solar constant is not really constant after all. The satellite's instruments have detected frequent, small variations in the Sun's energy output, generally amounting to no more than 0.05 percent of the Sun's mean energy output and lasting from a few weeks. Scientists believe these fluctuations coincide with the appearance and disappearance of large groups of sunspots on the Sun's disk. Sunspots are relatively dark regions on the Sun's surface that have strong magnetic fields and a temperature about 2,000 degrees Fahrenheit cooler than the rest of the Sun's surface. Particularly large fluctuations in the solar constant have coincided with sightings of large sunspot group. In 1980, for example, Solar Max's instrument, registered a 0.3percent drop in the solar energy reaching the Earth. At that time a sunspot group covered about 0.6 percent of the solar disk, an area 20 times larger than the Earth's surface. Long-term variations in the solar constant are more difficult to determine. Although Solar Max's data have indicated a slow and steady decline in the Sun's output, some scientists have thought that the satellite's aging detectors might have become less sensitive over the years, thus falsely indicating a drop in the solar constant. This possibility was dismissed, however, by comparing Solar Max's observations with data from a similar instrument operating on NASA's Nimbus 7 weather satellite since 1978.
3. Why is it not possible to measure the solar constant accurately without a satellite?

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When Andrew saw the question, he were knowing the answer immediately.

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After a long time of revision, she is gradually fond _________ English

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Adharanand Finn is a British journalist and a keen runner. Recently, he did the Fluorspar run in Kenya with a group of top Kenyan athletes. Here is the story he told the press after the event. The route of the Fluorspar run is exactly 21 km long and is uphill from start to finish. When I arrived at the start of the run at the bottom of the hill, the morning sun was up, and it was already hot. The ten athletes and I stood together for a group photograph and then immediately started our run up to the top. Most of the athletes who live in this part of Kenya have done it at least once. After about five minutes, I was already starting to fall behind other runners. I’ve never been that good at hill climbing, so I always knew I’d find it thorny. ‘Sure and steady,’ I told myself as I ran along, avoiding the biggest stones and trying to take the shortest line up the hill. But whenever I looked up, the others were further ahead, until soon they disappeared completely. At first I felt fine, but towards the end I began to feel a bit weak and strange. I don’t know now if I was imagining things but the people I passed, who were travelling down the road, seemed to be laughing at me. Finally, I reached the top. The rest of the runners were sitting on the grass, drinking lemonade and eating peanuts and boiled eggs. It took me one hour and fifty eight minutes, which is not bad at all. The others told me kindly that anyone who can run it in under two hours is very strong. They completed it much faster, in around one hour 30 minutes. I honestly have no idea how they do it.  
1. In the first paragraph, we learn that the writer _____

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Egypt’s 100 millionth citizen was born last week, undoubtedly a happy occasion for one family, but a moment filled with foreboding for a country struggling to contain a population explosion. In the past year the government has scrambled to stem the birth rate with a new program called “Two is Enough.” It is establishing family planning clinics throughout the country, where Egyptians can purchase heavily subsidized contraceptives. But many doctors and activists fear that this is too little, and comes too late to reverse the uptick in population growth. Doctors complain that the new “Two is Enough” program lacks in a clear strategy to bring down birthrates. The financial resources deployed thus far have been a fraction of previous efforts; some family-planning clinics have reportedly run out of contraceptives. While clinics funded by the campaign to provide some reproductive health education, sexual education remains taboo in Egyptian schools. There is also a lack of adequate services for the poor and pensioners. Many Egyptians opt to have more children in the hope they will look after them as they age, a phenomenon common in countries with high levels of poverty and inadequate safety nets. While over 30 million Egyptians live in poverty, only 9.4 million receive means-tested cash transfers from the government’s welfare programs. Economic reforms undertaken as part of a recently completed International Monetary Fund program have cut subsidies in a number of areas, contributing a spike in inflation that at one point exceeded 30%. For newborns like the 100-millionth Egyptian, the outlook is grim. A burgeoning population exacerbates many problems. Despite Egypt’s limited supply - it depends almost exclusively on the Nile - there has been a systemic failure to adequately address water waste. From wasteful megaprojects draining the Nile to literally dumping waste in the river, Egyptian officials have consistently failed to prudently protect what is perhaps the country’s most vital natural resource. In 2018, Egypt temporarily reduced the farming of rice, a water intensive crop - only to expand cultivation the following year. The New Administrative Capital that Sisi has set out to erect is projected to need 650,000 cubic meters of water per day when finished. Failure to quickly and dramatically improve water management practices in Egypt could be disastrous, and the risk is the greater for the country’s rapid population growth  
2. The word “foreboding” in paragraph 1 is closest in meaning to _______