【題目】Considerable evidence has been found over the years ________lack of exercise is connected with increased risk of cancer.

A. whether B. that

C. why D. how

【答案】B

【解析】

考查同位語從句。句意：多年來，人們發(fā)現(xiàn)大量的證據(jù)表明缺乏鍛煉會增加患癌癥的風(fēng)險。此處是that引導(dǎo)的同位語從句，說明evidence的具體內(nèi)容。故選B。

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