综采工作面有哪些设备()
A、综采面双滚筒采煤机
B、液压支架
C、综采面输送机
D、端头支护
E、转载机
F、运输机
G、单体支柱
参考答案:A, B, C, D, E, F
“罢极之本”指的是()。
A.肝
B.心
C.脾
D.肺
E.肾
There is a man at the reception desk who seems very angry and I think he means making trouble.
A.to make
B.to have made
C.to having made
D.having made