BÀI 1:Tìm các số tự nhiên n sao cho tổng là số có 2 chữ số giống nhau:1+2+3+4+...+n <=(phép tính) BÀI 2:Tìm số tự nhiên có 3 chữ số sao cho tổng các chữ số của số đó bằng 6 và chữ số hàng đơn vị gấp 3 lần chữ số hàng chục BÀI 3:Để viết 100 số tự nhiên liên tiếp đầu tiên của dãy số tự nhiên phải dùng bao nhiêu lượt chữ số?

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PART 1: .Choose the word which has the underlined part pronounced differently from that of the others. Write your answer in the right box below. 1. A. chooses B. houses C. rises D. horses 2. A. busy B. noisy C. sugar D. present 3. A. practice B. device C. service D. office 4. A. method B. negative C. secondary D. media 5. A. naked B. sacred C. needed D. walked PART 2: Choose one word whose stress pattern is different from that of the others. Write your answer in the right box below. 6. A. television B. education C. entertainment D. information 7. A. conversation B. isolation C. traditional D. situation 8. A. capital B. activity C. different D. opera 9. A. affect B. effective C. expand D. charity 10. A. family B. probably C. animal D. minority PART 3: Choose the best answer from the four options (A, B, C and D) to complete each sentence below. Write your answer in the right box below. 11. They helped handicapped children to_______________ their difficulties. A. finish B. overcome C. pass by D. conquer 12. People who are easily ________ by rumors can never be good friends. A. influenced B. attracted C. purchased D. occurred 13. Mary apologized ___________not phoning me earlier. A. for B. with C. on D. in 14. It was ____________ a difficult question that we couldn’t answer it. A. so B. such C. very D. too 15. I don’t think Frank is old___________to stay at home alone. A. so B. too C. enough D. even 16. ___________all our careful plans, a lot of things went wrong. A. Although B. Because C. Because of D. In spite of 17.You will become ill______________ you stop working so hard. A. until B. when C. unless D. if 18. Tom and Mary never came to class late. __________________. A. So did we B. Neither did we C. We did either D. Neither we did 19. If you ________ to my advice in the first place, you wouldn’t be in this mess now. A. listen B. will listen C. listened D. had listened 20. Helen asked me __________the film called “Star Wars”. A. if I had seen B. have I seen C. have you seen D. if had I

Steve, 13 I love TV. The first thing I do when I wake up is to switch it on. My favourite channel is Cartoon Network. I watch TV three or four hours a day. My parents think it is too much and they are always telling me to study, read a little or play a sport. But TV is my favourite hobby. I’m addicted to my favourite progammes. Kate, 14 I know most teens don’t like watching the news, but I do. I like to know what is happening around our world. I also enjoy documentaries, especially about wildlife. I’m very curious about the way animals live and how to preserve their habitats. I also enjoy watching live shows and films, mostly comedies and thrillers. I watch TV two or three hours a day. Rachel, 17 I like TV as everybody else, but now that I’m older I am more selective about the programmes I watch. I used to watch cartoons all the time. Now I like watching the news and some game shows like “Who wants to be a millionaire?”, so I don’t really spend too much time in front of the box, an hour or two a day... Some programmes are educational and help us to use our imagination, but many are full of violence. A. Decide whether the following sentences are true (T) or false (F). 1. Steve is obsessed about TV. 2. Kate doesn’t like watching the news. 3. Rachel’s favourite programmes are still cartoons. 4. Kate likes watching things that make her laugh. 5. Rachel is the teenager who watches TV the least of the three. 6. Steve’s parents don’t mind that he watches too much TV. B. Answer the questions. 1. Which TV programme does Steve like watching? ..................................................................................... 2. Why does Kate like watching documentaries on wildlife? ....................................................................................... 3. How much time does Rachel spend watching TV?.................................................................................. 4. According to Rachel, what are the benefits of TV?................................................................................