( )一般表示某个产业在国民经济中所占的份额。
A．产业结构
B．产业构成
C．产业发展水平
D．产业进程
参考答案：C
每千克梨子7元，李倩买了296千克梨子，李倩大约用了多少元？
将下列句子按正确顺序排列, 组成对话。
A. Yes, please. I want a shirt.
B. How much is it?
C. Can I help you?
D. I'll take it. Thank you.
E. It's thirty dollars.
F. You're welcome.
G. Here you are.
H. What color do you want?
I. White.
1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____ 7. _____ 8. _____ 9. _____
