在简支梁的设计中,弯矩和剪力的控制截面均在跨中。()
参考答案:错
22. —Has the boy got his bicycle now?
23. —Yes, the police gave .
24.
A.him to him
B.it to it
C.it to him
D.him to it
下列不属于投标保证金形式的是( )。
A.银行保函 B.可以撤销的信用证C.保兑支票 D.现金