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¡¡¡¡£¨ £© 9.A.boy B. girl C. father D. mother
¡¡¡¡£¨ £© 10.A.worker B. reporter C. doctor D. teacher
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¡¡¡¡We live in the “computer age”.Just 41 years 11 £¬computers couldn't do much. They were very big and expensive. They used a lot of energy £¨ÄÜÁ¿£©.Only 12 people were interested 13 them. Today computers are smaller and cheaper. They can do 14__ difficult work.
¡¡¡¡Computers become important 15 many reasons £¨Ô­Òò£©.They work faster than man and make few mistakes. They can “remember” much information. A computer can do millions of problems 16 a few seconds. A person might 17 years to work out so many problems.
¡¡¡¡People now use computers in nearly every kind of work. Computers are very useful and the use of computers 18 growing. More computers mean more jobs for people, because people __19 to run and mend them. Would you like to learn 20 to run a computer?
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¡¡¡¡Market is a place we get food from. My 21 goes there every day.
¡¡¡¡Two or three __22 ago, I went with her to a 23 near our home. When we went inside, I saw the ground was 24 and a lot of people were doing 25 there. It was very noisy because so many people were speaking 26 . The sellers and the people were very __27__.There were many vegetables, fishes, and a lot of meat there. My mother 28 to buy some of them, but there were too many people. We had to wait for some time 29 we bought all the food we needed. Now everything in the market is much 30 than before.
¡¡¡¡£¨ £© 21. A. father B. mother C. sister D. friend
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¡¡¡¡Vitamins£¨Î¬ÉúËØ£© are a discovery of this century. A hundred years 31 , no one knew anything 32 them. The vitamins are 33 by letters of alphabet. Vitamin A 34 by the eyes. There is Vitamin A in milk, butter and green vegetables. It 35 by the body.
¡¡¡¡Vitamin B must be supplied £¨Ìṩ£© 36 by some of our food. The skins 37 grains of all sorts have Vitamin B in them.ª¥
¡¡¡¡Vitamin C is very important 38 the body. Without it 39 teeth will become loose and their arms and legs become weak. Oranges and tomatoes 40 Vitamin C in them.
¡¡¡¡There are other vitamins. But these A,B,C are the most important.
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