一篇任务型阅读,加急..What does a policeman actually do?It is not an e
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An ordinary policeman needs todo several _jobs ?

•A policeman has to _standor drive around the whole city to watch the traffic on the roads.For example,a _ traffic policeman spends most time _driving on the road.

The police are _expected to restore order to try to make the public even _peaceful although they may be in danger.

_Ordinarily,a policeman will act as a detective to search for the criminal

About _emergency :In case of a fire,a crash or an accident,_call the police to deal with them becomes people's first choice.

The police do lots of small things we think in our daily life,but we should thank them.We may meet a lot of trouble _without them.