挡墙尺的测量高度范围是（）米。
A.0.7-0.9
B.1.1-1.5
C.1.2-1.3
D.0.7-0.9
参考答案：B
The lost car of the Lees was found ___________ in the woods off the highway．
A．abolished
B．abandoned
C．resisted
D．rejected
用回弹法测强时,其碳化深度为0.3mm其计算取值(L=)
A.0.3mm
B.0.5mm
C.1.0mm
D.0mm
