题目内容

(2016•徐州市)We should save energy by _________ the lights when we leave a room.

A. getting off B. showing off C. taking off D. turning off

D 【解析】试题分析:句意:我们应该通过离开房间时关灯来节能。get off下车;show off炫耀;take off起飞;turn off关上;根据save energy可知要节能,应在离开房间时关灯,turn off the lights关灯,故选D。
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