【題目】According to the recent research, heavy coffee drinking and heart attack is not necessarily __________ and effect.

A. reason

B. impact

C. fact

D. cause

【答案】D

【解析】句意:根據(jù)最近的調(diào)查研究,喝濃咖啡與患心臟病并沒(méi)有必然的因果關(guān)系。cause and effect因果。

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