题目

草履虫、酵母菌、衣藻都是仅有一个细胞的“袖珍”生物,也能进行独立的生活,这体现了( ) A.细胞是生命活动的基本单位 B.它们都能自己制造有机物 C.三者在分类上亲缘关系最近 D.它们都具有相同的遗传信息 答案:A从方框中选出适当的词语填空 (1) We'll never ________ studying. (2) The naughty boy always ________ at school. (3) Paper is ________ wood. (4) In western countries we have to ________ even fruit and then eat With a fork. (5) We ________ protect animals.
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