问题
单项选择题
板式加强框一般由支柱、腹板和框缘组成,其受力特点是()。
A.支柱受轴力,腹板受剪,框缘受弯
B.支柱和腹板受拉、压力,框缘受弯
C.支柱和腹板受剪,框缘受弯
D.框的上部突缘受拉,下部突缘受压
答案
参考答案:A
板式加强框一般由支柱、腹板和框缘组成,其受力特点是()。
A.支柱受轴力,腹板受剪,框缘受弯
B.支柱和腹板受拉、压力,框缘受弯
C.支柱和腹板受剪,框缘受弯
D.框的上部突缘受拉,下部突缘受压
参考答案:A
阅读理解。 | ||||||||||
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A. He is very short. B. He is short and has black hair. C. He's of medium build. D. He is tall and has curly hair. | ||||||||||
2. Who are short and heavy? | ||||||||||
A. The writer's mother and brother. B. The writer's mother and father. C. The writer's father and sister. D. The writer's father and brother. | ||||||||||
3. Does his brother look like his father? | ||||||||||
A. Yes, he does. B. No, he doesn't. C. Yes, he doesn't. D. No, he does. | ||||||||||
4. What does the writer look like? | ||||||||||
A. He is handsome. B. He is heavy and tall. C. He has long curly hair. D. We don't know. | ||||||||||
5. According to the passage, which is RIGHT? | ||||||||||
A. There are four people in the writer's family. B. The writer's mother is a beautiful woman. C. The writer's father and sister have curly hair. D. The writer's brother looks like his sister. |