下列四种独立剪力墙,哪一种抗震性能最好()。
A.图(a)
B.图(b)
C.图(c)
D.图(d)
参考答案:A
解析:
图示中4种剪力墙结构,高度相同,宽度不同,宽高比大的抗震性能好。
The young man, ____ of working for others, is determined to start his own firm.
A.being tired
B.having tired
C.to be tired
D.tired
常用的记忆测量方法有哪些