The lifeboat was sent out to__________ the sailors from the

The lifeboat was sent out to__________ the sailors from the sinking ship. A.resi

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They would have__________very much less if we had known of i

They would have__________very much less if we had known of it earlier. A.stood B

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Professor Smith is said__________another important discovery

Professor Smith is said__________another important discovery in chemistry. A.to

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形成图示趋势的主要影响因素是(  )。

形成图示趋势的主要影响因素是(  )。A.获得太阳辐射多少 B.距冬季风源地远近 C.下垫面性质的差肄 D.对流层厚度的不同

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At the Committee last Saturday__________ the following propo

At the Committee last Saturday__________ the following proposal was to by those

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