问题
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It is abnormal that when the engine is being turned by the turning gear or by hand, _____.
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According to the passage, it is commonly believed that brain differences are caused by ___
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It is politely requested by the hotel management that radios ________ after 11 o’cl
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It is not until the early 1970s that the Vietnam War was brought to a close by PresidentA.
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It is I that is in charge of the project sponsored by the government.
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It is reported that by the end of next month the output of personal computers in the facto
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