使多跨连续梁某跨中弯矩最小,其活载布置为()。
A.每跨均布置活载
B.只在计算跨布置活载
C.计算跨布置活载,然后隔跨布置
D.本跨不布置活载,相邻跨布置,然后隔跨布置
参考答案:D
根据句意和首字母提示每空填一个单词,使句意完整。
1. Do you like ball s________?
2. Don't worry. Let me h________ you.
3. Playing baseball is not very easy. It's d________.
4. Tennis is an e________ in the Olympic Games.
5. A________ comes after July.
6. Mary works very long h________, so she is very t________.
7. The hat is not big. It's s________.
在标准气压下,一个长宽都是20cm,高10cm的方纸盒,表面共受压力______N,纸盒在此压力下没有压瘪的原因是______.