【題目】We often go to work by bicycle, for cycling is very 　　　　to health and the environment.

A. suitable B. beneficial

C. worthwhile D. valuable

【答案】B

【解析】考查形容詞。句意:我們經(jīng)常騎自行車上班,因為騎自行車對健康和環(huán)境是非常有益的。表示"對……有益"應(yīng)用beneficial。suitable合適的,適宜的;worthwhile值得做的;valuable有價值的。故選B。

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