【題目】He is a breast cancer_________, who has devoted all his time and energy to studying it.

A.specialistB.physicianC.physicistD.surgeon

【答案】A

【解析】

考查名詞詞義辨析。句意：他是一名乳腺癌專家，他投入了所有的時(shí)間和精力來(lái)研究乳腺癌。A. specialist專家；�？漆t(yī)生；B. physician內(nèi)科醫(yī)生；C. physicist物理學(xué)家；D. surgeon外科醫(yī)生。根據(jù)空前定語(yǔ)“breast cancer(乳腺癌)”可知，他是一位這方面的專家。故選A項(xiàng)。

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