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　　The United States is full of motor cars．There are still many families 　　1　　 cars but some have two or even more．However, cars are used for more than 　　2　　 They are a necessary part of life．Cars are used for business．They are 　　3　　 to offices and factories by workers who have no other ways to get to their jobs．When salemen are sent to different parts of the city, they have to drive in order to 　　4　　 their products．Farmers have to drive into the city in order to get supplies．

　　Sometimes small children live more than a mile from the school．One mother drives on Monday, taking her 　　5　　 children and the neighbour's children as well．　　6　　 mother drives on Tuesday, another on Wednesday and so on．This is called forming a car pool．Men also form car pools, with three or four men taking turns driving to the place 　　7　　 they all work．More car pools 　　8　　 be formed in order to put fewer cars on the road and to use 　　9　　 gasoline．Parking is a great 　　10　　 and so is the traffic in and around cities．Too many cars are being driven．Something will have to be done about the use of cars．

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　　Tom and Fred were talking about the year 2050．“What will 　　1　　 be like in the year 2050?”asked Tom．“I don't know,”said Fred,“What do you think?”“Well, no one knows．But it is 　　2　　 to guess,”said Tom,“In the year 2050 everybody will 　　3　　 a pocket(袖珍)computer．The computer will give people the 　　4　　 to all their problems．We shall all have telephones in our pockets, 　　5　　．And we'll be able to talk to our friends all over the world．Perhaps we'll be able to 　　6　　 them at the same time．Machines will do 　　7　　 of the work, and people will have more 　　8　　 Maybe they will work only two or three days a week．They will be able to fly to the moon by spaceship and spend their holidays there,”

　　“I'm very 　　9　　 to hear that．I hope to fly to the moon．And I hope I'll be able to live 　　10　　,”said Fred,“Won't that be interesting?Just like a fish．”

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