静载荷试验是指应变速率为（）的试验。
A、＞10／s；
B、≤10／s；
C、小于10／s且大于10／s；
D、＜10／s。
参考答案：D
Had I known her name，I________.[ ]
A．would invite her to lunch
B．would have invited her to lunch
C．invited her to lunch
D．could invite her to lunch
在长度为n的有序线性表中进行二分查找，需要的比较次数为
A．log2n
B．nlog2n
C．n/2
D．(n+1)/2
