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问题 单项选择题

低瓦斯隧道工区不要求设置两套互为独立的供电系统，但（）应有二路电源，直接由变电所馈出并来自不同变压器，当一路停电时，另一路在15min内接通供电

A.局扇

B.主通风机

C.照明设备

D.排水设备

答案

参考答案：B

完形填空

短文填空。（每空2分，共16分）

根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺。

Remember to be a good boy or a girl any time. It’s important to have good manners, especially in some public    小题1:     . When you are waiting in line, don’t jump the queue. Be patient. Don’t stand too close to others in the line. Keep 20cm      小题2:      if you can.

Follow the advice of the workers when your are having a visit on a place of interest. Do not climb on exhibitions. Make      小题3:        it’s OK to take pictures before you hold up your camera. When you go to shows,     小题4:      clean clothes. You should get to the show 15 minutes before it starts. During the shows, turn      小题5:        your cell phone. Don’t eat during the show. Restaurants will be quite busy. Do not stay too long    小题6:       you finish eating. Remember to        小题7:     your rubbish away after the meal.

Good manners can make you a gentleman or a lovely lady.     小题8:     you are, others will be pleased with you.

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