题目内容

12．--Do you know Mr Black        by the police？
--Yes．He's believed to have killed a woman～（　　）
A．wantsB．is wantedC．is wantingD．has wanted

分析 --你知道警察在找布莱克先生吗？
--是的，有人相信他杀害了一名妇女．

解答 答案：B．
首先根据语境推测问句的句意是"你知道警察在找布莱克先生吗？"，由于句子表述的是现在的客观事实，所以用一般现在时，主语 Mr Black  是动作want 的承受者，所以用被动语态，一般现在时被动语态的构成是：主语+am/is/are+动词的过去分词，故选B．

点评 本题考查时态和语态．每个时态都有标志词，熟记这些标志词是做题的关键．在没有时间状语的情况下可以根据语境来对时态做出判断．判断语态的关键则是观察主语是谓语动词的执行者还是承受者．

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请根据短文内容，选择最佳选项．
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A．Red 
B．Yellow 
C．Green 
D．Orange
47．If a boy's card was changed into red，it showed thatB．
A．be got a prise             
B．he did badly
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48．The underlined word"naughty"in Paragraph 2 refers toD．
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B．友善的
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D．淘气的
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A．things were becoming better for Tommy
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D．Tommy never got a green card．
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B．Because his son always thinks of his own prize．
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