钾石灰钻井液的防塌效果比石灰钻井液()。
A、弱
B、强
C、一样
D、无法比较
参考答案:B
—lt is said that we will have another examination next week.
—Really? __________,we must begin to prepare right now. [ ]
A. If so
B. If possible
C. If not
D. Otherwise
细辛治疗阳虚外感、鼻渊、牙痛、痹痛及寒痰停饮,气逆喘咳是取其什么功效()
A.通窍
B.祛风止痛
C.温肺化饮
D.解表散寒
E.祛风胜湿