问题 单项选择题

非自重湿陷性黄土具有下列哪种性质()?

A.在土自重应力下浸湿湿陷

B.在土自重应力下浸湿不湿陷

C.在土自重应力下不浸湿陷落

D.在土自重应力下不浸湿不湿陷

答案

参考答案:B

解析:湿陷性黄土是指在一定压力作用下受水浸湿,产生附加沉陷的黄土。湿陷性黄土分为自重湿陷性黄土和非自重湿陷性黄土两种,非自重湿陷性黄土在土自重应力下受水浸湿后不发生沉陷;自重湿陷性黄土在土自重应力下受水浸湿后则发生沉陷。

阅读理解

根据短文内容,完成下列句子,每空一词。

     When Abe Lincoln was just a boy, he had to help his father Tom to look after their farm. It was hard work

and there wasn't much fun for him. Abe Lincoln wanted to go to school, but there was no school there. Abe was

sad most of the time. 

     Mrs Lincoln loved the boy very much. She tried her best to make Abe happy. One morning she got up early

and said to Tom Lincoln, "I'm going to town. "Tom was surprised. "That's a long way. And the snow is heavy.

What are you going to do in the town?"

     "I'll let you know when I come back," She said and then went out of the house. It took Mrs Lincoln a long

time to get to town. She bought something there and started back. And it was late in the evening when she got

home. 

     The next morning Mrs Lincoln said to Abe, "Today is your birthday. We are going to have a party!" She put

some food on the table,then brought out a present. 

     "A book!" Abe cried. It was an old book, but he liked it. A smile came to his face. He looked up at Mrs

Lincoln and said, "Thank you!" 

1. When he was a child, Abe Lincoln wanted to be a school _____, but there weren't any schools nearby. So he

    ______ go to school.

2. Mrs Lincoln loved her ______ and tried her best to make him happy. One morning, she wanted to go out to

    do some ______.

3. It took Mrs Lincoln a lot of ______ to ______ town.

4. Mrs Lincoln ______ Abe a present. The present for Abe was a ______.

5. Abe was very ______ to have the present. He ______ it very much.

单项选择题