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【判断题】
三相交流发电机定子的作用是产生三相交流电。A.
正确
B.
错误
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举一反三
【单选题】Scientists declared that the discovery could not only ________ (v. 使生效)Einstein's theory of relativity but also add to their understanding of the universe.
A.
validated
B.
validates
C.
validate
D.
be validated
【简答题】Scientists declared that the discovery could not only _________ Einstein’s theory of relativity but also add to their understanding of the universe. (validate)
【简答题】Scientists declared that the discovery could not only ____ Einstein’s theory of relativity but also add to their understanding of the universe. (V)
【简答题】Scientists declared that the discovery could not only Einstein’s theory of relativity but also add to their understanding of the universe.
【简答题】The scientists declared that there are only eight planets in the solar system.
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