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科目:高中英语 来源:不详 题型:阅读理解
| A.it was easier to catch the dogs’ response changes in the tail wagging |
| B.the dogs were put in the wooden boxes and tested one at a time |
| C.they enabled the dogs’ owners to know about their dogs’ habit |
| D.the dogs wagged their tails in different directions when they were in different moods |
| A.surprise | B.worry |
| C.excitement | D.interest |
| A.wag to the left | B.wag to the right |
| C.not wag at all | D.wag to the left and then to the right |
| A.the dogs | B.the trainers |
| C.the systems | D.the researchers |
| A.to train dogs for their owners |
| B.to help people judge the mood of dogs |
| C.to help dogs find company |
| D.to help people choose their pet dogs |
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科目:高中英语 来源:不详 题型:阅读理解
| A.a long time ago, man didn't know how to make use of wood |
| B.trees are not as useful as they were in the past |
| C.trees were more found in the past than they are today |
| D.people have always found trees useful |
| A.the land would become better | B.heavy rains would be very clean |
| C.the rich soil couldn't be kept | D.there wouldn't be any plants |
| A.do nothing to keep the balance(平衡)of nature |
| B.take his best to keep the balance of nature |
| C.try his best to keep the balance of nature |
| D.do his best to stop the balance of nature |
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