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举一反三
【单选题】针对下列生活中常见的安全事故，做法错误的是（ ）。
A.
发生火灾时，如果浓烟太大，可以用口罩或者毛巾捂住El鼻，身体尽量贴着地面前进或者爬行
B.
一旦发生烫伤，自己可以先在伤口处涂点牙膏、碱面等，以暂缓疼痛；若烫伤处有水疱，需要挑破，以防水疱变大
C.
当发现有人触电时，应尽快找到电闸，切断电源
D.
煤气泄漏时，应立即关闭煤气阀并开窗透气，且不能打电话或者使用打火机等，以免引发爆炸
【单选题】Naturally the young are more inclined to novelty than their elders and it is in their speech, as it always was, that most of the vocabulary changes originate. But listening critically to their talk I ...
A.
lack linguistic originality
B.
have always been interested in magic
C.
are becoming more superstitious
D.
are interested in magic when young