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cho một hình chữ nhật chiều rộng bằng 1/2 chiều dài nếu kéo thêm chiều dài 10m và chiều rộng 100m thì được hình vuông. Hãy tính chu vi và diện tích hình chữ nhật
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MULTIPLE CHOICE (8.0 points) Mark the letter A, B, C or D to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions. 1. A. signal B. microwave C. tighten D. compromise 2. A. county B. mount C. found D. should 3. A. receipt B. process C. concrete D. cancel Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions. 4. A. inquire B. instant C. glorious D. wonder 5. A. accessible B. celebration C. development D. congratulate 6. A. metal B. thorough C. thunder D. abrupt Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. 7. Fortunately the machine was not__________when it caught fire. A. in order B. in use C. in progress D. in ruins 8. If you wish to take photographs you’ll have to have__________. A. an application B. a permit C. an allowance D. an admission 9. Phone me before ten; __________I’ll be too busy to talk to you. A. unless B. whether C. otherwise D. if 10. The cat was afraid when it saw its__________in the mirror. A. picture B. look C. sight D. relfection 11. The doctor says it may take him a long time to get__________the shock. A. past B. above C. through D. over 12. Do you think there__________less conflict in the world if all people__________the same language? A. would be/ spoke B. were/ would speak C. were/ spoke D. would be/ would speak 13. I met some old friends__________I was on holiday in Malaysia. A. when B. since C. because D. until 14. Before entering the room you’d better__________your shoes. A. carry on B. take off C. take in D. put on 15. The__________of the air has certainly brought great benefits to man. A. conquer B. conquest C. conqueror D. conquering 16. I will__________you this book if you promise to return it next week. A. offer B. borrow C. lend D. allow 17. It is almost impossible for young people__________school today to get a job. A. to leave B. leave C. left D. leaving 18. He seldom goes to the cinema, __________? A. doesn’t he B. is he C. does he D. isn’t he 19. __________for bamboo seeds to grow into plants that can be used for commercial purposes. A. It takes several years B. Several years to be taken C. By taking several years D. Although taking several years Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. 20. Sandra has not rarely missed a play or a concert since she was 17 years old. A B C D 21. The governor has not decided how to deal with the problems already. A B C D 22. There is some scissors in the desk drawee in the bedroom if you need them. A B C D 23. Robots in the home might not be enough creative to do the cooking, plan the meal and so on. A B C D 24. It is becoming extremely difficult to grow enough to feed the world’s rapidly increased population. A B C D

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