Ques:Read the following article and select the best answer. Article: Have you ever dreamed about a trip to the space? Seeds of some vegetables and crops are a lot luckier than you, as they have travelled to space and back. China is among the three countries in the world that carry out agricultural research in space. The others are Russia and the US. Since 1987, China has sent about 1,000 species of seeds into space. These include green peppers, tomatoes, cucumbers , carrots, lettuce and wheat. Even on China's first manned spacecraft Shenzhou-V, there were some seeds from Taiwan. "Conditions in outer space such as radiation and low gravity can cause big changes in the seeds," said Chinese researcher Jin Xing. But not all seeds are better after going to space. After returning to Earth, the best seeds are selected.These seeds produce much more and also grow faster than normal seeds. As the safety of genetically modified food is still being debated, some people doubt the safety of these "space vegetables" because some of their genes are changed during the trip to space. But Jin holds a more positive view. He said, "unlike genetically modified crops, no new genes are introduced to the space vegetables, so they are definitely safe." China has also been co-operating with NASA to grow some super size potatoes on the International Space Station. Special growth rooms use computers to control the light, temperature and humidity . Using this technology a new, virus-free potato can be produced every 40 to 50 days instead of the previous yearly crop. Question: Which statement is true? - Genetically modified food is not safe. - The space vegetables don't belong to genetically modified food to some extent. - About 1,000 species of seeds were sent into space on Shenzhou V. - Seeds back from space must be planted in special growth rooms controlled by computers.

Ans:The space vegetables don't belong to genetically modified food to some extent.
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Ques:Read the following article and select the best answer. Article: In early autumn I applied for admission to college. I wanted to go nowhere but to Cornell University, but my mother fought strongly against it. When she saw me studying a photograph of my father on the sports ground of Cornell, she tore it up. "You can't say it's not a great university, just because Papa went there." "That's not it at all. And it is a top university." She was still holding the pieces in her hand. "But we can't afford to send you to college." "I wouldn't dream of asking you for money. Do you want me to get a job to help support you and Papa? Things aren't that bad, are they?" "No," she said. "I don't expect you to help support us." Father borrowed money form his rich cousins to start a small jewellery shop, His chief customers were his old college friends. To get new customers, my mother had to help. She picked up a long-forgotten membership in the local league of women, so that she could get to know more people. Whether those people would turn into customers was another question. I knew that my Parents had to wait for quite a long time before their small investment could show returns. What's more, they had not wanted enough to be rich and successful ;Otherwise they could not possibly have managed their lives so badly. I was torn between the desire to help them and change their lives, and the determination not to repeat their mistakes. I had a strong belief in my power to go what I wanted. After months of hard study I won a full college scholarship .My father could hardly contain his pride in me, and my mother eventually gave in before my success. Question: According to the text, what was the author determined to do in that autumn? - To get a well-paid job for himself - To improve relations with his mother - To go to his dream university - To carry on with his father's business

Ans:To go to his dream university
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Ques:Read the following article and select the best answer. Article: Exercise is one of the few factors with a positive role in long-term control of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to "light" beer and low-calorie bread than increase physical efforts. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to lose weight said they were combining exercise with their diet. In rejecting exercise, some people may be discouraged too much by caloric-expenditure charts; for example, one would have to quickly walk hard three miles just to work off the 275 calories in one delicious Danish pastry . Even exercise professionals accept half a point here. "Exercise by itself is a very tough way to lose weight," says York Onnen, program director of the President's Council on Physical Fitness and Sports. Still, exercise's supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight. If you have been sedentary and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year's time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight. Question: What is the author's purpose in writing this article? - To stress the importance of maintaining proper weight. - To support the statement made by York Onnen. - To show the most effective way to lose weight. - To introduce the study of the Boston University Medical Center.

Ans:To show the most effective way to lose weight.
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Ques:Read the following article and select the best answer. Article: The word "day" has two meanings. When we talk about the number of days in a year, we are using "day" to mean 24 hours. But when we talk about day and night, we are using "day" to mean the time between sunrise and sunset. Since the earth looks like a ball, the sun can shine on only half of it at a time. Always one half of the earth is having day and the other half night. A place is moved from day into night and from night into day over and over by the spinning of the earth. At the equator day and night are sometimes the same length. They are each twelve hours long. The sun rises at 6 in the morning and sets at 6 in the evening. For six months the North Pole is tilted toward the sun. In those months the Northern Hemisphere gets more hours of sunlight than the Southern Hemisphere. Days are longer than nights. South of the equator nights are longer than days. For the other six months the North Pole is tilted away from the sun. Then the Southern Hemisphere gets more sunlight. Days are longer than night. North of the equator nights are longer than days. Winter is the season of long nights. Summer is the season of long days. Question: When the Western Hemisphere is having day, the Eastern Hemisphere is having _ . - both day and night - day - neither day nor night - night

Ans:
night
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