题目内容
2. (2015 •湖北荆门)
一How should we teenagers be when crossing the road?
一We mustn't cross the red traffic lights.
A. serious B. careful C. pleased D. popular
2. B
2. B解析:本题考查形容词的词义 辨析。四个选项的含义分别是: serious“严肃的,严重的”;careful “小心的,谨慎的”;pleased “高兴的,满意的”;popular “流行的,受欢迎的”。结合答语“我们一定不能闯红灯”可推断,符合题意的词是 careful
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