【題目】The research Tuyouyou has devoted all her life to ________to be ____ great value.

A. proved/out B. prove/to

C. proves/of D. proving/with

【答案】C

【解析】

試題分析:句意:屠呦呦一生的研究被證明是很有價(jià)值的。prove證明,是動(dòng)詞,后接不定式,且主語(yǔ)是“The research”,因此要用第三人稱單數(shù)形式proves。“(be)+of+名詞”結(jié)構(gòu)中的名詞是抽象名詞時(shí),相當(dāng)于其中名詞所對(duì)應(yīng)的形容詞的意思,說(shuō)明被修飾詞具有某種特征或?qū)傩浴?/span>故選C。

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