问题 单项选择题

某建筑公司承建了某地地处繁华市区的地下车库工程,该工程紧邻城市主要干道,施工场地狭窄。结构形式采用框架-剪力墙结构,基础类型为静力压桩基础(预应力钢筋混凝土管桩),工程总建筑面积20000m2,基础开挖采用正铲挖掘机。

土方开挖时,当土体含水量大且不稳定,或边坡较陡、基坑较深、地质条件不好时,应采取 ( )措施。

A.降水

B.加固

C.放坡

D.分段开挖

答案

参考答案:B

单项选择题
阅读理解

阅读理解。

     Mrs. Allen's husband died ten years ago when her son and daughter were still in high school. Mr.

Allen had left some money, and since Mrs. Allen had managed a bookstore before she was married,

she took the money and bought a shop in town. Later she moved the shop out to the shopping center.

    She was a pleasant woman; she worked hard and was well-informed about books, and so the

bookstore prospered(生意兴隆) and she was able to hire a friend to help her.

    Laura Barnes, Mrs. Allen's friend and assistant, was also a widow. She had some free time and

the need for a little extra-money, and so she took the job in the bookstore. She was too clever and

friendly, and the two women were well-known in the neighborhood as "Mrs. A" and "Mrs. B"

1.  How many people in all were there in the two women's families? ______.

A. At least 8      

B. At least 7      

C. At least 6      

D. At least 4

2. The bookstore prospered ______.

A. after Mrs. Allen lost control of it

B. before Mrs. A got to know Mrs. B

C. because the two women had little housework to do

D. because Mrs. A became expert at management and threw herself into it

3.  Why did Mrs. A hire Mrs. B? ______. 

A. Mrs. B asked for very little pay

B. She believed that Mrs. B was the very person to help her to improve management

C. Mrs. B was a friend of hers

D. She was also that kind of woman like her

4. Which of the following is true? ______.

A. Mrs. A set up her bookshop in the shopping center

B. Mr. Allen was dead but Mr. Barnes alive

C. Mrs. A managed to set another bookstore with Mrs. B

D. The two children of Mrs. A were of the same age