下列实例不能说明生命活动离不开细胞的是( ) A . 变形虫通过细胞变形摄取营养物质 B . 人的生殖和发育过程需要多个细胞参与 C . SARS病毒离开活细胞不能独立繁殖 D . 所有细胞中都含有水、蛋白质等物质 答案:D19、从方框内所给句子中选择恰当的句子完成下面对话。
A:Does your brother like broccoli?
B: ___1____
A:How about carrots?
B: ____2____And you ?
B:___3____
A:That’s not good.We need to eat vegetables every day.
B:I know.____4____ I eat
lots of it everyday
A:What’s your favorite(最喜欢的)fruit?
B:Apples. ___5____
A:Pears are his favorite fruit.
A. Yes, he is.
B. How about your brother ?
C. I don’t like vegetables.
D. I like vegetables.
E. Yes, he does.
F. He likes all vegetables.
G. But I like fruit.
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