同理:轉基因對人類來說是全新的東西,是證明了他無害之後再吃,還是先吃了再說?
這是幼兒園水平的考題,你冷靜地做一下吧!
同理:轉基因對人類來說是全新的東西,是證明了他無害之後再吃,還是先吃了再說?
這是幼兒園水平的考題,你冷靜地做一下吧!
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