Large quantities of water__________ needed for cooling purposes.

A．are

B．is

C．have

D．has

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参考答案

【译文】为了冷却，需要大量的水。
【解析】本题考查主谓一致。water是不可数名词，但是该句中有复数名词quantities。在此情况下，谓语动词需要跟着quantities，而不是water。此外，此句表达的是被需要的意思，是被动态，要写成be done的形式，故选A。

1 It is no use __________ to remember only grammar rules.

A．trying

B．try

C．to try

D．tried

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2 He demands that she __________ her own records.

A．keep

B．keeps

C．has kept

D．is keeping

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3 Walking down the street the other day,__________.

A．I saw unusual something happen

B．a terrible accident occurred

C．something unusual was seen by me

D．I saw a terrible accident

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