下列哪项不符合图书馆阅览室的卫生要求（） A.光线均匀、柔和、

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问题单项选择题

下列哪项不符合图书馆阅览室的卫生要求（）

A.光线均匀、柔和、不眩目；采取有效通风

B.湿式清扫；及时清除垃圾

C.室内必须设印刷和复印设备，便于工作

答案

参考答案：C

补全对话，情景问答

根据对话内容补全所缺单词。

M: Excuse me. Is there a (1)______ in the neighborhood?I am hungry, I want to eat something,

W: Yes, there is.

M: (2)______ can I get there?

W: Go down the street and then walk (3)______ the park. Turn at the first crossing (十字路口).

M: Will I turn left?

W: No, turn (4)______. You can see a big one around a bank.

M: Is it in front of the bank?

W: No. It is behind the bank.

M: Thank you very much.

W: You're (5)______.

问答题简答题

引起瓦斯爆炸的火源主要有哪些？