由国际收支失衡引起的国内经济变量变动对国际收支的反作用过程，

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问题单项选择题

由国际收支失衡引起的国内经济变量变动对国际收支的反作用过程，我们称为（）。

A.政策调节机制

B.自动调节机制

C.国际资本自由流动

D.国际直接投资的作用

答案

参考答案：B

阅读理解

大家好，我叫媛媛，下面是我的介绍，读完我的介绍后，请回答我的问题。

My family

My name is Yuanyuan. I'm 9. There are four members in my family. My father is a teacher in my school.

My mother is a doctor. My grandpa is a farmer. He likes music. I love my family.

1. What is Yuanyuan?[ ]

A. She is a teacher.

B. She is a student.

C. She is nurse.

2. — Is her mother a teacher, too?

— . [ ]

A. Yes, she is

B. Sorry, I don't know

C. No, she isn't

3. —What does her grandpa like?

— .[ ]

A. English

B. Chinese

C. Music

单项选择题 A1/A2型题

分子量小于多少的药物容易通过胎盘屏障（）

A.600

B.800

C.1000

D.3000

E.5000