钢筋混凝土剪力墙的厚度不应小于140mm,对框架剪力墙结构尚不应小于楼层高度的( )。
A.1/20
B.1/15
C.1/10
D.1/5
参考答案:A
Find out the mistakes and correct them. 找出错误并改正。
( ) 1. North points down on a map.
A B C D
( ) 2. This is China flag.
( ) 3. Today is May two.
A B C
( ) 4. I go to school on bus.
( ) 5. How do Jenny go to school?
现代公共关系职业化发端于( )
A.马斯洛时期 B.巴纳姆时期C.艾维·李时期 D.爱德华·伯尼斯时期