Our knowledge of dinosaurs is wholly_____ from the bones which have been found here and there.

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问题 Our knowledge of dinosaurs is wholly_____ from the bones which have been found here and there.

选项 A、confirmed
B、retained
C、acquired
D、sought

答案C

解析 空格处填入动词,构成被动语态。动词的宾语是knowledge。选项中只有C与之搭配得当,acquire knowledge是“获得知识,学到知识”的意思。
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