【題目】—Nowadays a growing number of people go to work by bike.

—Bicycling is good exercise；________it doesn't pollute the air.

A. therefore B. moreover

C. however D. otherwise

【答案】B

【解析】考查副詞辨析。句意：——現(xiàn)在，越來越多的人騎自行車上班。——騎自行車是很好的運動，而且不污染空氣。moreover此外，而且；therefore因此；however然而；otherwise否則。故選B。

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