钢筋混凝土构件（拱肋）在施工过程中，自身能够承担自身重量，不需要借助其他构件承担。
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Why did Wang Lei leave the company?
A. Because he grew up in a city in the Northeast.
Because he has lots of acquaintances in the region.
C. Because there were not many opportunities for self-development.
D. Because he had established business ties with several firms.
单孔无圬工基础管涵施工时，在严寒地区管节的下侧可以填筑冻胀土料。
A. 对
B. 错
2.某男性病人，因急性脑出血入院两天，连续睡眠19小时，期间呼之能醒，可进行简单对话，过后很快又入睡，此时病人处于（）
A. 昏迷状态
B. 昏睡状态
C. 嗜睡状态
D. 意识模糊状态
E. 清醒状态
地基土为粘性土时，采用0.5m厚的圬工基础。
A. 对
B. 错
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