单项选择根据短文内容从各题的四个选项中选择一个最佳答案

　　Mr Brown’s house was less than two miles from his office, so he could drive home every day for lunch．Every time he drove home at noon, he found many cars outside his house and there was no room for his own car．He had to drive somewhere else to park his car．Then he walked back home．This made him very angry．

　　He put up a board in the garden facing the road．The board said,“No Parking”．But nobody noticed it．People seemed to obey only a police notice with white letters on a blue board：

　　Mrs Brown asked his husband to steal a police notice but he was afraid to do so．Then she asked him to make one just like a police notice．Mr Brown said he was not the police and couldn’t use the word“police”．Several days later, Mr Brown made a blue board with white letters．

　　“Oh!”Mrs Brown said．“You told me you weren’t going to use the word‘police’,but why do you use it now?”“Really?”he asked．

　　“Look again,”she started to laugh．“You are really clever”．

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单项选择根据短文内容从各题的四个选项中选择一个最佳答案

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单项选择根据短文内容从各题的四个选项中选择一个最佳答案

　　Cell phones(移动电话)are all around us．We use cell phones to call our friends, send text messages, play games, and even take photographs．Now imagine using your cell phone to call your air conditioner(空调器)．If this were possible you could tell your air conditioner to rum on before you got home．Does this sound impossible to you?Well, it could become possible sooner than you think．In the near future, we might use cell phones as remote controls(遥控器)for the electrical devices(电器)in our homes．People are already working to develop different ways to communicate wirelessly(无线的)with devices we use every day．For example, it is already possible for cell phones to communicate with laptop computers．Business people using laptops during meetings Call use their cell phones as remote controls．They can use their cell phones to send instructions to computers to turn on, change pictures, and turn off．

　　With the same technology(技术), people can use their cell phones to control other devices．You Can call your stereo(立体声音响设备)to play music automatically(自动地)．You Can call your lights to turn on when you enter a room．Maybe even by next summer you will be able to call your air conditioner !

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