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C. too much use of mobile phones in schools can cause problems

D. the mobile phone is considered the most annoying invention of recent years

(C)

Plants cloning has been an agricultural technique used by farmers and gardeners for centuries. Grafting (¼Þ½Ó) is a common form of plant cloning. Many plants in nature actually clone themselves and reproduce themselves.

Cloned plants are much more predictable than normal plants, so their yield (²úÁ¿) is more reliable. Cloned plants also reproduce faster, limiting the amount of time between planting and harvesting. It is also cheaper to produce seeds through cloning than through traditional methods. Plants can essentially be optimized so that farmers or individual growers always have the best seeds available. With more yield at a faster rate, farms can produce more food for more people while cutting costs.

Cloning can be used to wipe out diseases that previously killed off entire fields of crops. This would make plants immune (̉񧵀) to the kinds of diseases that farmers and gardeners around the world fear each year. Crop failures due to disease and virus could become a thing of the past. Also, plants that are near extinction can be brought back to life through cloning.

Through cloning scientists can develop ¡°super¡± fruits and vegetables of superior nutritional quality. This could make for a healthier population overall. This is already being done through selective pollination (ÊÚ·Û).

By plant cloning we have a population of identical plants and all these plants equally suffer from the same diseases, but in nature the weak would die and the strong would survive. While there are some dangers to consider with plant cloning, there are plenty of benefits that could prove vital to the propagation (·±ÑÜ) of the human being. 38. The underlined word ¡°optimized¡± in Paragraph 2 can be replaced by ______. A. enlarged B. produced C. perfected D. examined 39. According to the text, cloned plants ______.

A. have lower yield than normal plants. B. need little care from people. C. resist various kinds of diseases. D. have a shorter growth cycle. 40. What can we infer from the text?

A. The fruits produced by cloned plants taste much better. B. There are more cloned plants than normal plants. C. Plant cloning can disturb the laws of nature. D. People should avoid eating cloned fruits. 41. What is the main purpose of the text?

A. To warn the negative effects of plant cloning. B. To present different kinds of plant cloning. C. To predict the future of plant cloning.

D. To inform us about the advantages of plant cloning.

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(D)

When I was about 12, I had an enemy, a girl who liked to point out my shortcomings. Week by week her list grew: I was very thin, I wasn¡¯t a good student, I talked too much, I was too proud, and so on. I tried to hear all this as long as I could. At last, I became very angry. I ran to my father with tears in my eyes.

He listened to me quietly, and then he asked. ¡°Are the things she says true or not? Janet, didn¡¯t you ever wonder what you¡¯re really like? Well, you now have that girl¡¯s opinion. Go and make a list of everything she said and mark the points that are true. Pay no attention to the other things she said.¡±

I did as he told me. To my great surprise, I discovered that about half the things were true. Some of them I couldn¡¯t change (like being very thin), but a good number I could¡ªand suddenly I wanted to change. For the first time I got a fairly clear picture of myself.

I brought the list back to Daddy. He refused to take it. ¡°That¡¯s just for you,¡± he said. ¡°You know better than anyone else the truth about yourself. But you have to learn to listen, not just close your ears in anger and feel hurt. When something said about you is true, you¡¯ll find it will be of help to you. Don¡¯t shut your ears. Listen to them all, but hear the truth and do what you know is the right thing to do.¡±

Daddy¡¯s advice has returned to me at many important moments. In my life, I¡¯ve never had a better piece of advice.

42. Which do you think would be the best title for this passage?

A. Not an Enemy, but the Best Friend B. The Best Advice I¡¯ve Ever Had C. My Father D. My Childhood 43. What does ¡°Week by week her list grew¡± mean?

A. She kept on discovering more shortcomings of mine and pointed them out to me. B. She had made a list of my shortcomings and she liked the list. C. I was having more and more shortcomings as weeks went on. D. Week by week, my shortcomings grew more serious. 44. Why did her father listen to her quietly?

A. Because he knew that what her daughter¡¯s ¡°enemy¡± said was mostly true. B. Because he had been too angry with his daughter¡¯s shortcomings. C. Because he believed that his daughter was right.

D. Because he wasn¡¯t quite sure which girl was telling the truth. 45. What did the father do after he had heard his daughter¡¯s complaint? A. He told her not to pay attention to what her ¡°enemy¡± had said.

B. He criticized (ÅúÆÀ) her and told her to overcome her shortcomings. C. He told her to pay attention only to the things that were true. D. He refused to take the list and have a look at it.

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(E)

On many websites productivity experts share advice on how to achieve your career and life goals. Most of the experts agree on one thing: Starting your day on the right foot is most important. Here are some ideas on how to start your day off right. *Get up an hour early

People who get up early in the morning have a jump on the day. And some studies show that our willpower and attention span are strongest in the morning. 46 People who rise up early have a head start and, therefore, are more likely to succeed. * 47 You see a Facebook post from a friend you haven¡¯t seen in a long time. He is angry about some political issue and the heated discussion pulls you in. before you know it, an hour has passed. You¡¯re angry with lawmakers and it¡¯s not even nine in the morning yet! You hurry out the door so as not to be late for work. 48 * Exercise in the morning!

49 It may not be for everyone. Some people like to exercise after work or at night. Physical fitness experts and trainers often suggest some form of exercise in the morning because the middle of the day is a busy time for most people. By the day¡¯s end, you may not have the time or energy to exercise. *Think about your day at night.

Take time at the end of the day to think back on all the things that have happened. And spend a little in thinking about tomorrow. 50 But it may help you to prepare if you take a few minutes to think about what you need to do the next day.

A. This is not the best way to start your day. B. Some people may disagree with this.

C. This is a great way to forget about the day ahead.

D. You probably won¡¯t have time to do everything you planned. E. In fact, the morning may be the most productive part of your day. F. Don¡¯t jump into social media as soon as you get up.

G. Some people who talk about ¡°living in the present¡± may criticize this.

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In the winter season, people like to eat food that instantly warms their bodies and lifts their spirits. For that, the hot pot is a delicious and 51 (delight) choice. Families or groups of friends sit around a table and eat from 52 steaming pot in the

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