矿井应该有()的防水、排水系统。
A.地面
B.井下
C.地面和井下
参考答案:C
There _____________ a meeting next Monday afternoon.[ ]
A. is going to have
B. are going to be
C. is going to has
D. is going to be
预防甲亢病人术后出现甲状腺危象的最重要的准备是()
A.药物准备
B.术前检查
C.心理护理
D.饮食护理
E.体位练习