题目内容
The number of foreign students attending Chinese universities rising steadily since1990.
| A．is | B．are | C．has been | D．have been |
C
解析试题分析：句意：上中国的大学的外国学生的数量自从1990年以来一直稳步上升。根据since1990和句意判断用现在完成时表示状态一直持续，the number是数字，做主语时谓语用单数形式。结合句意可知，选C。
考点: 考查时态和主谓一致的用法。
名校课堂系列答案If nothing______, the oceans will turn into fish deserts.
| A．does | B．had been done | C．will do | D．is done |
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| A．will be having | B．would be having | C．is having | D．was having |
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| A．should not have stolen | B．should not steal |
| C．not have stolen | D．had not stolen |
---I don't suppose the police know who did it.
---Well, surprisingly they do. A man has been arrested and ____ now.
| A．has been questioned | B．is being questioned |
| C．is questioning | D．has questioned |
--I left my handbag on the train, but luckily someone gave it to a railway official.
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| A．has been trapped | B．had been trapped |
| C．has trapped | D．was trapped |
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| A．is | B．are | C．was | D．were |
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