植树的总棵数一定，树的成活率和成活的棵数

题干

植树的总棵数一定，树的成活率和成活的棵数（）

A：成正比例

B：成反比例

C：不成比例

上一题下一题 0.0难度选择题更新时间:2015-06-15 03:09:50

A:What can I do for you?

B: ____

A. Of course.

B. How much are they?

C. May I use my students' ID card?

D. I want to buy a dictionary as a gift.

E. Could you please pack(包装) them for me?

F. Here you are.

G. So you can save at least￥5 each.

A: How about this one? It's good for teenagers to use.

B: Can I get a discount(打折) if I buy one more?

A:____ If you buy two, you will get a 10% discount.

B: Is there also a discount for students' ID cards?

A: Yes. They're on sale to the students. ____

B: Wonderful. I'll take two. ____

A: You can have two for￥80.

B: OK. Here is the money. ____

A: No problem.

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