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举一反三
【单选题】现在食品安全危害与过去相比，以下说法错误的是（ ）
A.
过去的事故高死亡率，影响面广泛，现在低死亡率
B.
传统病原体向新出现的病原体的变化
C.
通常呈地方性爆发向国际范围大面积爆发的趋势
D.
过去许多食品传染的疾病应用普通的抗生素效果明显，使用剂量比较小，现在大剂量使用常用的抗生素几乎无效
【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