采场应有良好的照明；顺路行人井、溜矿井、泄水井（水砂充填用）和通风井，均应保持畅通。
参考答案：对
How about going to the cinema with me tonight?
---I’ll ask my parents if they ____ me go.
A．have let
B．let
C．will let
D．are going to let
最需要与单纯疱疹病毒性脑炎鉴别的疾病有（）
A.急性播散性脑脊髓炎
B.脑膜瘤
C.胶质瘤
D.垂体瘤
E.结核性脑膜炎
