【填空题】
52.即可用作深基坑的支护结构，又可作为深基坑的支护和建筑物地下室外墙的是___。
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地下连续墙
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D. the dogs wagged their tails in different
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When there are no stimuli, a dog will ___________.___
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D. wag to the left and then wag to the right
【单选题】
The purpose of doing the experiment is _________.___
A. to train dogs for their owners
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【单选题】
People in Rome believe that the civilization of a city can be judged by _________.___
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【单选题】
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【单选题】
People may break the law in Turin if they ________.___
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【单选题】
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【单选题】
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【单选题】
Which of the following may lead to family quarrels according to the passage?___
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【单选题】
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【单选题】
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【单选题】
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【单选题】
Why are some people against TV?___
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