【題目】He is absorbed in his ____________studies, neglecting sleep and meals.

A.keenB.physicalC.scientificD.sincere

【答案】C

【解析】

考查形容詞詞義辨析。句意:他專注于他的科學(xué)研究,廢寢忘食。A. keen敏銳的;B. physical身體的,物理的;C. scientific科學(xué)的;D. sincere真誠(chéng)的。根據(jù)studies可知,此處用“科學(xué)研究”符合句意,故選C項(xiàng)。

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