问题
单项选择题
公安消防部队火场组织指挥通常分为（）个层次。
A、3
B、4
C、5
D、6
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
公安消防部队火场组织指挥通常分为（）个层次。
A、3
B、4
C、5
D、6
参考答案：C
Traffic rules help to keep order on the road. They also help to keep people 26 . The pedestrian(行人) has as many rules to 27 as the driver of a car. You should walk on the sidewalk(人行道) or at the side of the road. Always look 28 before you walk across the street. If you like riding a bike, don’t ride in the middle of the road or run 29 red traffic lights. When you ride a bike with a friend, don’t look around or talk.If you drive a car, you should 30 at the traffic lights. You must always 31 a seat belt(安全带). Without belts 32 the driver and the passengers may be badly hurt in a sudden accident. You may not need to take a bus, but 33 if you have to travel in one. Get on or get off a bus only when it comes to a 34 . When it is full, don’t try to get inside 35 you may fall off. Traffic rules are also called Road Safety rules. The maxim(格言) for all road users is “Thinking about others”.
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