隧道施工监控量测的选测项目为______。
A．地质和支护状况观察
B．围岩压力
C．衬砌内应力
D．锚杆或锚索内力及抗拔力
E．拱顶下沉
参考答案：B,C
Do you know ____________________?
A．what he happened
B．what the matter is with him
C．what happened to him
D．what did he happen
上能敛肺止咳，下能涩精止泻的是（）。
A.乌梅
B.赤石脂
C.莲子
D.五味子
