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nguyenut8501
2 năm trước
giải bài toán khó: cho xyz=5.Tính giá trị của biểu thức M=(x/xy+x+5)+(y/yz+y+1)+(5z/xz+5z+5)
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I. Choose the correct answer A, B, C or D to complete each sentences. (5 điểm) 1. Mrs Ha is worried _______ her recent water bill. It’s enormous. A. about B. for C. on D. with 2. _______ he gets up early, he won’t be late for school. A. Because B. If C. Although D. so 3. How about _______ out for a walk. A. to go B. go C. went D. going 4. Mrs. Mi suggests _______ showers to save water. A. take B. to take C. taking D. took 5. It is raining hard, _______ they can’t go to the beach. A. so B. because C. if D. or 6. Would you like a cup of tea _______ a cup of coffee? A. and B. or C. so D. although 7. –“What are you doing Lan?” –“ I’m _______ my pencil” A. looking for B. looking after C. looking up D. looking at 8. _______ the TV for me, please? I want to watch the weather forcast. A. turn on B. turn off C. turn up D. turn down 9. The house _______ is painted blue is my uncle’s. A. who B. which C. whom D. whose 10. Do you know the driver _______ took them to town last night? A. whose B. which C. who D. whom 11. _______ Mrs. Mai was very busy, she help her children with their homework. A. Because B. so C. However D. Although 12. Yesterday we bought potatoes, carrots _______ cabbages at the market. A. and B. so C. or D. but 13. If the rice paddies are polluted, the rice plants _______. A. will live B. will die C. would die D. will grow 14. The baby laughed _______ as she was playing with her toys. A. happiness B. happy C. happily D. unhappy 15. It’s very nice _______ you to say so! A. of B. on C. at D. in 16. You should get _______ to check cracks in the pipes in your house. A. worker B. plumber C. driver D. mechanic 17. The Lunar New Year is one of the most important _______ in Vietnam. A. celebrations B. holidays C. vacations D. inventions 18. Let me congratulate you on _______ the final exam. A. to pass B. pass C. passing D. passed 19. If he _______ more money, he will have to do more work. A. want B. wants C. will want D. wanted 20. Hue will have temperature _______ 23 degree Celsius and 27 degree Celsius. A. between B. on C. in D. with II. Use the word given in brackets to combine each pair of sentences into one: (3 điểm) 1. The weather is fine. They will go camping. (If) ………………………………………………………………………………………………… 2. Nam got wet. He forgot his umbrella at home. (Because) ………………………………………………………………………………………………… 3. Mr. Hai was tired. He still went to work yesterday. (Although) ………………………………………………………………………………………………… 4. This is the book. It is on wild animals. (Which) ………………………………………………………………………………………………… 5. The man was rather tall. He helped me with the work. (Who) ………………………………………………………………………………………………… 6. They want to buy a new house. They are saving money. (So) …………………………………………………………………………………………………

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