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ngocanh1112
2 năm trước
Bỏ vài cục nước đá lấy từ tủ lạnh vào một cốc thuỷ tinh rồi theo dõi nhiệt độ của nước đá, người ta lập được bảng sau: Thời gian(phút) 0 3 6 8 10 12 14 16 Nhiệt độ (oC) -6 -3 0 0 0 3 6 9 a. Vẽ đường biểu diễn sự thay đổi nhiệt độ theo thời gian. b. Hãy mô tả sự thay đổi nhiệt độ và thể của chất đó khi nóng chảy?
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Give the correct form of the following verbs: 1. I (go) _________ to school by bicycle every day. 2. When I (come)_________ home from work, my mother was cooking dinner. 3.They (play)_________________football at the moment. 4. If you (study )_________harder, you will pass the exam. 5.I wish he (not leave) _________________ here. 6.He (live) __________________in Australia for 10 years. 7.Ba enjoys (play)_________________ football in the morning. 8. My house (build)__________________ in 2004. 9. If the weather gets worse, we (not go) ________________ to the beach. 10.I wish I (live) ________________ near my school. 11. My brother usually (go) _______ to school by bike every day. 12. Last night, my father (watch) ______________ TV. 13.I wish I (know) ______________her address. 14. My father enjoys (watch) _______________ television in the evenings. 15.I wish I ( be ) ________________ taller.

1. Columbus America more than 400 years ago. A. discovered B. has discovered C. had discovered D. he has gone 2. By Christmas, I for you for 6 months. A. shall have been working B. shall work C. have been working D. shall be working 3. I to New York three times this year. A. have been B. was C. were D. had been 4. I have been waiting for you . A. since early morning B. since 9 a.m C. for two hours D. all are correct 5. My sister for you since yesterday. A. is looking B. was looking C. has been looking D. looked 6. We Doris since last Sunday. A. don’t see B. haven’t seen C. didn’t see D. hadn’t seen 7. By the end of next year, George English for 2 years. A. will have learned B. will learn C. has learned D. would learn 8. The dancing club in the north of the city. A. lays B. lies C. located D. laid 9. For several years his ambition _ to be a pilot. A. is B. has been C. was D. had been 10. By the age of 25, he two famous novels. A. wrote B. writes C. has written D. had written 11. I have never played badminton before. This is the first time I to play. A. try B. tried C. have tried D. am trying 12. At 5 o’clock yesterday evening, I my clothes. A. am ironing B. have ironed C. ironed D. was ironing 13. John tennis once or twice a week. A. usually play B. is usually playing C. usually plays D. have usuallyplayed 14. I usually away at weekends. A. have gone B. goes C. am going D. go 15. The earth round the sun. A. go B. has gone C. went D. goes 16. you go to the dentist? A. How often are B. How often do C. How often does D. How are 17. They _ me about it last week. A. was telling B. told C. had told D. would tell 18. Tim was tired. He _ hard all day. A. has been studying B. studies C. studied D. had been studying 19. I here at the end of the month. A. will leave B. would leave C. would have left D. is leaving 20. I my son the money for that last week. A. gave B. given C. have given D. was given 21. Last year, they_ 22 million TV sets. A. were selling B. had sold C. has sold D. sold 22. Tomorrow I my grandparents. A. am going to visit B. will have visited C. have visited D. visit 23. She much experience over the years. A. has gained B. gained C. gains D. is gaining 24. Clara her relatives the next few months. A. visits B. will visit C. has been visiting D. has visited 25. By the end of the 21st century, the first car running on the sea water . A. will finish B. will be finished C. will have been finished D. will be finishing 26. Renoir is one of the most popular French impressionist painters. His paintings masterpieces all over the world. A. have considered B. are considering C. considered D. are considered 27. - How long have you been building this bridge? - This bridge for two years. A. has built B. has been being built C. has been building D. has been built 28. to Ipswich before? A. Do you ever go B. Are you ever going C. Have you ever been D. Have you ever been going 29. That’s the first time an answer right today. A. I get B. I’m getting C. I have got D. I have been getting 30. Our next door neighbor his car every Sunday morning. A. is washing B. washes C. has washed D. is wash LEVEL B1 31. I will come and see you before I for America. A. leave B. will leave C. have left D. shall leave 32. John a book when I saw him. A. is reading B. read C. was reading D. reading 33. When I last saw him, he in London. A. has lived B. is living C. was living D. has been living 34. Ask her to come and see me when she her work. A. finishes B. has finished C. finished D. finishing 35. While her husband was in the army, Janet to him twice a week. A. was writing B. wrote C. was written D. had written

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