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            • 1．

              I think the boy runs _____ than any other boy in his class.

               

              A. quickly B. quick C. more quickly D. quicker
              难度：较易
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            • 2．
              It’s very important that we all recycle（再利用）. In nature, everything (1) again. For example, when an animal dies, it becomes (2) animal’s food. Nothing is wasted. But humans have created things like plastic bags (3) can’t be broken down by nature. Our rubbish kills animals and (4) water soil. (5) we continue making too much rubbish, the problem will only get worse. If nature can’t reuse the rubbish, we must recycle (6) . We should clean up the rubbish we’ve made because nature can’t.

              Recycling is also the right thing to do for another reason. The earth is rich in natural materials like water and trees, (7) these materials are not endless. We use up our natural materials much (8) than the earth is able to reproduce them. For example, each year we cut

              (9) more than 6000 square miles of forest. But it takes an average of 25 years for anew tree

              (10) .

              Recycling can help us save the earth, so let’s take action right now.
              (1) A. use B. using C. is used D. used
              (2) A. another B. other C. others D. the other
              (3) A. who B. which C. how D. where
              (4) A. pollutes B. polluted C. polluting D. is polluted
              (5) A. When B. Whether C. Why D. If
              (6) A. them B. their C. it D. itself
              (7) A. but B. so C. and D. or
              (8) A. fastly B. fast C. faster D. fastest
              (9) A. out B. down C. in D. up
              (10) A. grows B. for growing C. growing D. to grow
              难度：较易
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            • 3．

              Man has a big brain (大脑). He can think, learn and speak. Scientists once thought that men are different from animals ____  (1)  ____ they can think and learn. They know now that dogs, monkeys, and birds can learn, too. They are beginning to understand that men are different from animals because they can speak. Animals can't speak. They make noises when they are afraid, angry or unhappy. Apes (类人猿)can understand something ____  (2)  ____ than humans, one or two of them have learned a few ____  (3)  ____. But they can't join words to make sentences. They can't think ____  (4)  ____us because they have ____  (5)  ____ language. Language is a wonderful thing. Man ____  (6)  ____ build a modern world because he has language. ____  (7)  ____ child can speak his own language very well when he is four or five, ____  (8)  ____ no animal learns to speak. ____  (9)  ____ do children learn it? Scientists do not really know. ____  (10)  ____ happens inside our body when we speak? They do not know. They only know that man can speak because he has a brain.

              难度：较易
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            • 4．

              Do you often watch TV?Many middle school students like   41   TV very much.But   42   Monday to Friday，they must go to school.So on Saturday and Sunday they   43   at home and watch TV day and night.They don’t know it’s   44   for their eyes.Usually，children like to eat fish，meat and chicken，but they don’t like vegetables   45   fruit.They don’t know   46   more vegetables and fruit is  47   than eating meat.At school the children only do a few   48   of sports or never do any sport.They don’t know it isn’t good for their health.We always   49  of ways to keep healthy.We should eat   50   vegetables and fruits and do enough sports every day.And we should watch TV and read books in right ways.

              难度：较易
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