问题
单项选择题
刚性挡土墙在外力作用下向填土一侧移动,使墙后土体向上挤出隆起,则作用在墙上的水平压力称为()。
A.水平推力
B.主动土压力
C.被动土压力
答案
参考答案:C
刚性挡土墙在外力作用下向填土一侧移动,使墙后土体向上挤出隆起,则作用在墙上的水平压力称为()。
A.水平推力
B.主动土压力
C.被动土压力
参考答案:C
完形填空。 | ||||
Here are my favorite photos 1 the first one, you can find it's 2 . I'm wearing a T-shirt and sitting on the grass. The 3 one is a photo of my family. I'm 4 computer games. My grandfather is playing the erhu. My father is 5 a newspaper. My grandmother is talking about the TV show 6 my sister. And my mother is 7 the table. I love this photo very much. In the third one, there are two 8 .They are my friends, Tim and his brother. They are playing basketball. In the last one, I'm singing and my friends are dancing. 9 I see these photos, I'm very happy. They make me think of the happy 10 . I will keep the photos all my life. | ||||
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