Tìm gtln của hàm số y=|-x²-4x+5| trên đoạn [-6;6] ?

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viết 1 đoạn văn từ 3-5 câu tả mùa hè

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chia m(g) hỗn hợp Fe và Al thành 2 phần = nhau. phần 1: tác dụng vừa đủ với 200ml dung dịch NaOH 1M. phần 2: tác dụng với dung dịch H2SO4 thu được 8,96 Lít H2 (đktc). a)viết pt. b)tính m. c)tính% khối lượng mỗi kim loại

Correct the mistakes in each sentence Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 27: This test is more difficult than that one. A. more different B. easier C.more easy D.noisier 28. The church is quite an ancient building. A. old B. fresh C. historic D. modern Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 29. We spent an enjoyable evening boating in the river. A. comfortable B. boring C. exciting D. unpleasant 30.There are some drawbacks in the city life nowadays. A. bad B. advantage C. good D. disadvantages Choose the best answer as it means the same as the sentence above 31. They will build a new house in the area. A. A new house will be built in the area by them B. A new house will be built in the area C. A new house is being built in the area by them D. A new house will built in the area 32. Although his leg was broken, he managed to get out of the car. A. In spite his broken leg, he managed to get out of the car. B. In spite of his broken leg, he managed to get out of the car. C. In spite his leg broken, he managed to get out of the car. D. In spite of his leg was broken, he managed to get out of the car 33. Work hard or you will not pass your exam. A. If you work hard, you will not pass the exam B. If you do not work hard, you will not pass the exam C. If you worked hard, you would not pass the exam D. If you worked hard, you will not pass the exam 34. Nick said that: ‘ I come from a small town in England” A. Nick said that he came from a small town in England B. Nick said that he come from a small town in England C. Nick said that he comes from a small town in England D. Nick said that he would come from a small town in England 35. My dad worked in a factory in the past, but doesn’t work there now. A. My dad used to working in a factory. B. My dad used to be working in a factory. C. My dad used to work in a factory. D. My dad used to be work in a factory. 36. Mr. Peter has written a lot of articles for the CNN News. A. A lot of articles have written for the CNN News by Mr. Peter. B. A lot of articles have been written for the CNN News by Mr. Peter. C. A lot of articles has written for the CNN News by Mr. Peter. D. A lot of articles has been written for the CNN News by Mr. Peter. 37. Trees and grasses cannot grow here because the soil is badly polluted. A. If the soil were not badly polluted, trees and grasses would grow here B. If the soil were not badly polluted, trees and grasses couldn’t grow here C. If the soil were not badly polluted, trees and grasses wouldn’t grow here D. If the soil were not badly polluted, trees and grasses could grow here 38. “What time did you come home last night, Mark?” said Tom. A. Tom asked Mark what time had he come home the previous night. B. Tom asked Mark what time he had come home last night. C. Tom asked Mark what time he came home last night. D. Tom asked Mark what time he had come home the previous night Choose the word which has a different sound in the part underlined. 39. A. pollution B. earplug C. dump D. dust 40. A.played B. needed C. filled D. prefered - The end -

English 8 - Revision Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions. 1. A. authority B. impolite C. repetitive D. unhealthy 2. A. impossible B. unrelated C. unnatural D. unbearable 3. A. application B. recreation C. congratulation D. education 4. A. objection B. reduction C. competition D. appearance Choose the best answer to fill in the blank. 5. She said she chose ________ for one year before entering university. A. working B. worked C. work D. to work 6. Teenagers often use abbreviations when ________. A. texting B. sending letters C. talking D. video conferencing 7. He asked me ________ I preferred video conferencing to face-to-face meetings. A. what B. which C. if D. that 8. People from other planets may use ________ to communicate, which is not possible for human beings. A. telepathy B. letters C. landlines D. chat rooms 9. By the time we got to the cinema,the film _____________. A. started B. had started C. starting D. starts 10. He told his classmate that he ________ a bicycle when he was ten years old. A. rode B. could rode C. would ride D. ride 11. I prefer ________ a nine-to-five job to working shifts. A. did B. does C. doing D. do 12. If trees ________________enough water and sunlight, they will grow well. A. will get B. are getting C. gets D. get 13. He asked me what the conservationists ________ so far to protect our environment. A. do B. had done C. does D. did Give the correct form of the verbs in the brackets to complete the sentences 14. Hey. I have tried (phone) ________ you so many times this morning. 15. Mai (live)______ in Hai Phong for five years before she (move)_____ to Ha Noi three years ago. 16. After Nick ________ (do) his homework, he ________(go) lo bed last night. 17. We’ve decided (cancel) ________ the meeting via Skype with Jane. Mark the letter A, B, Cor D to indicate the underlined part that needs correction in each of the following questions. 18. If the soil was polluted, plants won’t be able to grow. A B C D 19. I sometimes wish that I will have another car. A B C D 20. Your friends went to your native village last weekend, weren’t they? A B C D 21. We've decided canceling our picnic because it's forecast to rain tomorrow. A B B D 22. Mary is given some money by her mother now A B C D 23. My father said he was watching TV when my mother come home A B C D Mark the letter A, B, C or D to indicate the most suitable respond to complete each of the following exchanges. 24.”How long have you known him?” “_____________” A. Since five years. B. For five years. C. Ever since five years. D. Along five years. 25. Nam: I’ve just finished my painting. Look! Tam: “_________ “ A. How cool! B. I wish I could do it C. Wow, I can’t imagine that. D. Sure 26. “Sorry, I’m late”- “____________” A.No problem B. No matter what C. No,thanks D.You’re welcome.

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