本煤层抽放瓦斯
参考答案:
抽放开采煤层的瓦斯。
---Did you remember to give Jenny the money?
---Yes. ________ I saw her, I'm sure.
A.So long as
B.So far as
C.The moment
D.Any time
骨折病人发生休克的主要原因是
A.肿胀
B.出血
C.疼痛
D.惊吓
E.发热