15春《听说IV》作业1

单选题

一、单选题（共 10 道试题，共 100 分。）

1. 第一次作业问题11

A. It has been proven to be the best pain-killer.

B. It is a possible cure for heart disease.

C. It can help lower high body temperature effectively.

D. It reduces the chance of death for heart surgery patients. -----------------选择：D

2. 第一次作业问题14

A. They strongly believe in family rules.

B. They are very likely to succeed in life.

C. They tend to take responsibility for themselves

D. They are in the habit of obeying their parents.

-----------------选择：B

3. 第一次作业问题20

A. To show how simple the mechanical aids for diving can be.

B. To provide an excuse for his changeable character.

C. To explore the philosophical issues of space travel.

D. To explain why he took up underwater exploration. -----------------选择：D

4. 第一次作业问题16

A. They usually don’t follow family rules.

B. They don’t like to take chances in their lives.

C. They are less likely to be successful in life.

D. They tend to believe in their parent’s ideas.

-----------------选择：A

5. 第一次作业问题19

A. They both attract scientists’ attention

B. They can both be quite challenging

C. They are both thought-provoking.

D. They may both lead to surprising findings.

-----------------选择：B

6. 第一次作业问题5

A. It’s worse than 30 years ago.

B. It remains almost the same as before.

C. There are more extremes in the weather.

D. There has been a significant rise in temperature. -----------------选择：C

7. 第一次作业问题1

A. See a doctor