The astronaut did many experiments in the spaceship, great help for
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The astronaut did many experiments in the spaceship, great help for knowing more about space.A.which we think it is | B.which we think is of | C.of which we think is | D.we think which is of |
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答案
B |
解析
考查非限制性定语从句。句意“那位宇航员在太空船上做了许多实验,我们认为这些实验对更多地了解太空很有帮助。”句中有逗号,是非限制性定语从句,be of+抽象名词,相当于对应的形容词,例如:be of help=helpful;be of importance=important。故选B。 |
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