题目内容
【题目】People are advised not to smoke at home, since passive smoking is ________ to people around them. Which is Not proper for the blank?
A. dangerous B. protective
C. hazardous D. risky
【答案】B
【解析】
试题分析:句意:被动吸烟对周围的人是不好的。A. dangerous危险的B. protective有保护的;C. hazardous有危险的;D. risky冒险的。A、C、D都符合题意,故选B。
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