腹筋配置适中的有腹筋梁大部分发生()。
A.剪压破坏
B.斜拉破坏
C.斜压破坏
D.脆性破坏
参考答案:A
脱式计算下列各题.
(1)13.7+8.65-9.628
(2)12.8-(4.38+1.614)
When such an organized group became too large for its members to travel together comfortably, it would__________.
A.hurry up
B.split up
C.make up
D.pick up