如头部低重，两目深陷，呆滞无光，则表明（）
A.宗气将衰惫
B.精气神明衰惫
C.肾将衰惫
D.筋将衰惫
E.骨将衰惫
参考答案：B
---Would you mind my opening the window?
---___________ It’s much too hot here.
A．Certainly.
B．Of course not.
C．All right.
D．Yes, you can.
电缆沟槽开挖处理土方等堆置物的安全注意事项有哪些？
