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阅读理解

　　Yuan Longping, the father of hybrid rice(杂交水稻), won the World Food Prize on Monday．Yuan developed the world first popular and widely known hybrid rice．Hybrid rice plants can make more rice than common ones．

　　Liu Xiang won China’s first gold medal in the world championships(锦标赛)in 12.95 seconds．

　　“Everybody wants to win a world title．I was nervous before the race．But I dealt with it so I'm very happy,”Liu said with a smile after the race．

　　Some reporters noticed that at the start, Liu Xiang was crying．He said that is his way of letting off pressure．“My start wasn’t good, maybe because I was nervous or because I was a bit slow,”he said．

　　Liu will run next at the Shanghai Grand Prix(大奖赛)meeting at the end of September．He is confident(自信的)after winning the gold medal．“I want people to know how fast I am,”he said．“This is number one speed．There’s nothing I can’t do．”

　　Have you ever got angry at books that are full of mistakes?Don’t worry, things will get better soon．Last week, China started checking textbooks, dictionaries and children’s books all over the country．The government said the results of the check would come out at the end of June．

　　Last Wednesday Medvedev(梅德韦杰夫)took over from Vladimir Putin(普京)．At the age of 42, he becomes the youngest president of modern Russia．

　　Medvedev was born to a family of teachers．He read a lot from a young age．After university, the soft-spoken young man went on to teach law at university and became very popular with his students．

　　In 2005, Medvedev became the first deputy prime minister(第一副总理)．But he was as friendly as before．“He has not changed．He invited me to his home,”said Vera Smirnova, Medvedev’s first teacher．“In Russia, only two politicians(政治家)have invited their first teachers to their homes, Medvedev and Putin．”

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仔细阅读下列短文, 根据题目, 选出最佳选项. We live in the computer age. People use computers to do much of their work. But few people know how to look after them. Remember the following when you use your computer: (1)Keep your computer in a cool, dry room. Too much or too little heat(热) is bad for computers. Damp(潮湿) is also bad for them. (2)Do not let people smoke near your computer. Smoke of all kinds is very bad for many parts of a computer. (3)Do not eat or drink when you are near your computer. Pieces of food and a little water in the keyboard are also bad for a computer. (4)Keep your screen clean and so not have it too bright. They are bad for your eyes. Make sure the screen is not too far from or too near to your eyes. Some people use different glasses to protect their eyes when they use a computer.

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阅读短文．然后从每小题A、B、C、D四个选项中选出能回答所提问题或完成所给句子的最佳答案．

　　Games are fun．After hours of homework it's great to relax by playing a game．But do games ever do kids any harm(害处)?And are there any ways parents can help kids stay away from bad games?The US researchers are trying to find solutions to these problems．

　　They studied what video games could do to children．The researchers found game sellers had made big changes to make sure the games didn’t harm kids．And they suggested that work should be done to find out if video games affected children's school work and health．

　　One problem found was that parents hadn’t taken enough notice of their kids' game-playing habits．

　　“Many game sellers put control(控制键)on the games to help parents make sure that children don’t play games unsuitable for them,”said David Walsh, the president(院长)of the National Institute on Media and the Family．Parents should watch the games kids are playing and know how much time they are spending playing them．

　　The study found that playing games too long could affect kids' health as well as their school work．Almost half of all“heavy garners”were six to seventeen years old．These kids were more likely to have weight and eyesight problems than other kids．Playing too many games also affected how children did at school．

　　Kids are supposed to ask their parents to set a time limit(限制)for playing games and remind them when the time is up．

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