关于下列分子的正确含义是

题干

关于下列分子的正确含义是

A：DNA分子的某一片段

20090420

B：染色体的某一片段

C：一个基因分子

D：RNA分子的某一片段

上一题下一题 0.0难度选择题更新时间:2016-06-21 11:57:55

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.

A: Does your brother like broccoli?

B: ____

A: How about carrots?

B: ____And you?

A: ____

B: That's not good. We need to eat vegetables every day.

A: I know. ____. I eat lots of it every day.

B: What's your favorite fruit?

A: Apples. ____

B: Pears are his favorite fruit.

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