已知轴两端作用外力偶转向相反、大小相等，如图示，其值为T。则

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问题单项选择题

已知轴两端作用外力偶转向相反、大小相等，如图示，其值为T。则该轴离开两端较远处横截面上剪应力的正确分布图是：（）

A.图A

B.图B

C.图C

D.图D

答案

参考答案：A

解析：扭转轴横截面上剪应力沿直径呈线性分布，而且与扭矩T的转向相同。

填空题

根据句意及首字母提示补全单词。

1. If you can write interesting stories, you are a c_____ person.

2. H ______ are enjoyable activities we do in our free time.

3. As a r ______, David has become a successful young writer.

4. Reading and writing are important s ______.

5. I have a p question to ask her. I want to know how old she is.

6. Don't t______. It's dangerous.

7. B in yourself and you will succeed.

8. What's the s of the China -Japan football match?

9. Can you e why you are always late?

10. The reporter wants to i______ some teenagers about their problems.

单项选择题

若企业向银行贷款购置房产，年利率为5%，半年复利一次，则该项贷款的实际利率为( )。

A．4.82%

B．5.27%

C．6.80%

D．5.06%