某医院的高层住院部大楼病房卫生间设有排风竖井，竖井的井壁上需

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问题单项选择题

某医院的高层住院部大楼病房卫生间设有排风竖井，竖井的井壁上需开设检查门，所用检查门应为下列哪一项

A．普通密闭门
B．甲级防火门
C．乙级防火门
D．丙级防火门

答案

参考答案：D

填空题

根据句意，用所给单词的适当形式填空。

1. What should we do to help the ______ (home) people after the earthquake?

2. We do lots of outdoor ______ (active) when spring comes.

3. By the time I got outside, the school bus ______ (leave).

4. Tim was seen ______ (get) out of the subway at the station on Centre Street.

5. I've bought a present for my father's ______ (forty) birthday.

单项选择题

在装油完毕后，应该注意下列（）事项。

A.装油速度

B.燃油数量

C.装油的先后顺序

D.燃油的规格