The chemistry teacher asked the pupils what water was______of.

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问题 The chemistry teacher asked the pupils what water was______of.

选项 A、consisted
B、compounded
C、composed
D、conceived

答案C

解析 句意:化学老师问同学们水是由什么组成的。be composed of意为“由……构成”;而consist常用作consist of,意为由什么构成,通常不用于被动语态;compound意为“复合的”;conceive意为“设想,构思,认为”。
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