基础基坑位于现场通道附近时，应沿边缘设立防护栏杆或围挡，有了围挡夜间不用加设警示灯。
参考答案：错
The USA and some other countries helped the rebels in Libya ______ their promise to support democracy and fair trade.
A．in danger of
B．in memory of
C．in peace for
D．in return for
最早萌出的乳牙是
A．上颌乳尖牙B．上颌乳中切牙C．上颌第一乳磨牙D．上颌第二乳磨牙E．下颌乳中切牙
