钢筋混凝土或预应力混凝土简支梁桥属于( )。
A．静定结构
B．超静定结构
C．系杆结构
D．排架结构
参考答案：A
根据句意首母填单词。
1. Please w_____ up. It's time to go to school.
2. Do you know where the Pacific O_____ is?
3. The thief p_____ to be a pipe-worker.
4. I always feel a_____ before I get on the plane.
5. Who is your f_____ basketball player?
依据施工合同示范文本规定，承包人收到竣工结算价款后( )天内将竣工工程交付发包人，施工合同即告终止。
A．7 B．14 C．28 D．42
