【題目】Scientists are hoping for a ____________ in the search for a cure for cancer.

A. reputationB. breakthrough

C. civilizationD. sensation

【答案】B

【解析】

考查名詞辨析。句意:科學(xué)家希望在抗癌研究上能有突破。A. reputation名聲,名譽(yù);B. breakthrough突破,突破性進(jìn)展;C. civilization 文明,文化;D. sensation感覺(jué),轟動(dòng)。故選B。

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