题目内容
5．-Do you think a radio is useful in learning English？-Sure．A radio can _____ listening English songs and reports．（ ）
| A． | be used as | B． | be used for | C． | use for |
分析 --你认为收音机在学习中有用吗？
--是的．收音机可以被用来听英语歌曲和报道．
解答 答案：B．根据题干中的主语a radio"收音机"是谓语动词use"使用"的承受者，应用被动语态；又根据题干中的can可知，应用情态动词的被动语态．情态动词的被动语态的结构是情态动词+be+过去分词；又根据be used for doing表示"被用来做某事"是固定短语．故选B．
点评 本题是考查情态动词的被动语态，做题的关键是理清主语是动作的执行者还是受动者．
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What does a policeman do in fact？It is not （17）Djob to describe．After all，a policeman has a number of jobs in one．A policeman often has to control traffic，either on foot in the centre of a town，or in a police car on the roads．Indeed，in Britain，he might be in the Traffic Police and spend all，or a lot of，his time driving up and down main roadsand motorways．A traffic policeman has to help keep the traffic moving，stop（18）Cmotorists and help when there is an accident．
A policeman has to help keep the peace，too．If there is a fight or some other disturbance （动乱），we（19）Dthe police to come and keep order．And they often have to（20）C the situation at great risk to their own（21）A．
We expect the police to solve crimes，of course，so an ordinary （普通） policeman，even if he is not a detective，will often have to help（22）Cand arrest criminals．And （23）Ddo we call when there is an emergency-an air crash，a（24）B，a road accident，or a robbery？We call the police．So a policeman has to be （25）Cto face any unpleasant emergency that may happen in the modem world．
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| 19．A．wait for | B．believe | C．think of | D．expect | |
| 20．A．turn to | B．stop | C．deal with | D．treat | |
| 21．A．safety | B．families | C．future | D．friends | |
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