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hananhung08
2 năm trước
Một sợi dây thép dài 6,28m. Người ta uốn thành một vòng tròn rồi đặt lên sàn nhà. Tính diện tích phần sàn nhà nằm trong vòng tròn.
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V. Give the correct form of the word in brackets to complete each sentence . (10 pts) 26. ______ has caused many so-called man-made disasters. (forest) 27. _____ often walk through the streets shouting or singing about something they sell. (cry) 28. Gas and oil _________________ always increases in cold weather. (consume) 29. The police are interested in the sudden _________________ of the valuable painting. (appear) 30. He claimed that his ____________________ had caused him to become a criminal. (bring up) 31. A lot of toys encourage children’s_______________. (imagine) 32. The factory has provided cheaper_______________ lately. (produce) 33. Burning coal is an__________ way of heating a house. Gas is much cheaper. (economy) 34. According to some scientists the earth is losing its outer atmosphere because of _____. (pollute) 35. She has one of the biggest art ________________________ in Britain. (collect) VI. Match a beginning in column A with the most suitable ending in column B . (5 pts) A B 36. I must get back to work, a. That’s right, I am 37. Hello. You must be Maryam. b. which is the capital city of California. 38. Andrew is flying to Sacramento, c. we will have no fresh water to use. 39. Do you know that you can only live without water for four days? d. otherwise I’ll get the sack. 40. If we pollute the water, e. It depends on where you are and what you are doing, surely? VII. Choose the underlined part of each sentence that needs correcting . (5 pts) 41. Preserving natural resources mean reserving them for our future. A B C D 42. Despite of the increase in air fares, most people still prefer to travel by plane. A B C D 43. Regardless of your teaching method, the objective of any conversation class should be for students to practice speaking words 44. The injured man was taken to the hospital . A B C D 45. In order for one to achieve the desired results in this experiment, it is necessary that he work as fastly as possible. A B C D VIII. Read the text below the fill in the missing words . (15 pts) SAVING THE TIGER In 1973, when the tiger appeared to (0) be facing extinction, the World Wide Fund for Nature and (46) _____Indian Government agreed to set (47) ______ “Operation Tiger”- a campaign (48) ______ save this threatened creature. They started by creating nine special parks (49) _____that tigers could live in safety. The first was at Ranthambhore, a region (50) _____ was quickly turning into a desert (51) _____ too much of the grass was being eaten by the local people’s cattle. At the time there (52) ______ just fourteen tigers left there. The government had to clear twelve small villages, which mean moving nearly 1,000 people and 10,000 cattle so the land (53) ______ be handed back to nature. Today, Ranthambhore is a very different place, with grass tall (54) _____ for tigers to hide in, and there are now at (55) ______ forty of them (56) _____ the park, wandering freely about. Other animals have also benefited. For example, there are many (57) _____ deer and monkeys than before. The people (58) _______were moved are now living in better conditions. They live in new villages away (59) _____ the tiger park, with schools, temples and fresh water supplies. There are now sixteen such tiger parks in India and the animals’ future looks (60) ______little safer.

Đ ề 4 I. Choose the word (A, B, C, or D) which has the underlined part pronounced differently . (5 pts) 1. A. cl i mate B. com i c C. h i ke D. webs i te 2. A. work ed B. laugh ed C. hop ed D. nak ed 3. A. c over B. c ategory C. an c ient D. de c orate 4. A. er u pt B. h u mor C. U FO D. comm u nicate 5. A. B uddhism B. bom b C. via b le D. bul b II. Choose the word (A, B, C, or D) which has the stress pattern different from others . (5 pts) 6. A. comprise B. depend C. design D. novel 7. A. tropical B. collection C. tendency D. charity 8. A. friendliness B. occasion C. pagoda D. deposit 9. A. importing B. specific C. impolite D. important 10. A. federation B. unpolluted C. disappearing D. profitable III. Choose the best answer to complete each sentence . (10 pts) 11. All the sentences below use “the”, which one is correct? A. Can you pass the sugar please? B. The crime is a problem in many big cities. C. The apples are good for you. D. I love the skiing. 12. Our friends have lived in Ho Chi Minh city __________ 2002 A. for B. since C. in D. about 13. He prefers soccer ___________ tennis A. from B. than C. to D. or 14. If they worked more carefully, they ___________ so many mistakes. A. won’t make B. don’t make C. wouldn’t make D. didn’t make 15. He __________ to his friend’s party when his parents asked him to go home. A. goes B. was going C. went D. has gone 16. There’s a strange man behind us. I think_______. A. we are followed B. we are being followed C. we are being following D. we are following 17. Which of the following is the strongest advice? A. You should get a hair-cut. B. If I were you I’d get a hair-cut. C. You ought to get a hair-cut. D. You really must get a hair-cut. 18. ________ you mind if I use your dictionary? A. Will B. Do C. Can D. Did 19. Mr. Vo Van Kiet, ______ was our former Prime Minister, was born in Vinh Long. A. that B. whose C. who D. whom 20. All that rubbish will have to be _____ at once. A. get rid of B. got rid of C. got rid D. getting rid of IV. Give the correct form of the verbs in the brackets to complete the passage : (10 pts) 21. My friend was (make) ____________ (pay) ______________ back the book. 22. Hardly he (take) ____________ up the book when the phone (ring) ________. 23. Can you imagine what I (come) ___________ across when I (roll) __________ up the carpet yesterday? 24. If she wins the prize, it (be) _________________ because she (write) _____________ very well. 25. He resented (ask) _________ (wait) __________. He had expected the minister to see him at once

Nghiên cứu một loài bọ cánh cứng trong một khu vườn người ta đếm được 12 cá thể trên 4 m^2. Khi khảo sát ở 40 địa điểm khác nhau trong vườn thì có 23 điểm bọ được 39 cá thể.các loài sinh vật khác là 420 cá thể. a) kết quả trên cho ta biết những tính chất nào của sinh thái b) tính kết quả mỗi tính chất đó. Từ đó cho ví dụ cụ thể về mỗi tính chất ở Vườn Quốc gia Tràm Chim c) nhận xét kết quả mỗi tính chất nếu đủ cơ sở d) ngoài những tính chất trên quần xã còn tính chất nào khác? Nêu ví dụ 2. Tính 2 chỉ số đặc trưng của quần thể dựa vào bản khảo sát quần xã cạn gồm thỏ và mèo rừng sau 4 lần quan sát

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