题目内容
【题目】Green products are becoming more and more popular because they are environmentally _________.
A. friendly B. various C. common D. changeable
【答案】A
【解析】
试题分析:考查形容词。句意:绿色商品正在变得越来越流行因为它们对环保是有帮助的。friendly意思是有帮助的,所以选A。
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