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2 năm trước
1 mảnh đất hình chữ nhật có diện tích bằng 450 m2.Biết chiều dài là150 m. a)tính chu vi b)Cứ 100m2 bằng 40kg thóc.Tính số thóc
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giúp mình gấp nhé !!! cảm ơn :3 đề bài : Exercise 1: Add tag questions to the following. 1. We should call Rita, _______________? A. should we B. shouldn’t we C. shall we D. should not we 2. Monkeys can’t sing, ______________? A. can they B. can it C. can’t they D. can’t it 3. These books aren’t yours, ____________? A. are these B. aren’t these C. are they D. aren’t they 4. That’s Bod’s, ____________? A. is that B. isn’t it C. isn’t that D. is it 5. No one died in the accident, ______________? A. did they B. didn’t they C. did he D. didn’t he 6. The air-hostess knows the time she has been here, ______________? A. does she B. isn’t it C. doesn’t she D. did she 7. This is the second time she’s been here, ______________? A. isn’t this B. isn’t it C. has she D. hasn’t she 8. They must do as they are told, ________________? A. mustn’t they B. must they C. are they D. aren’t they 9. He hardly has anything nowadays, _________________? A. hasn’t she B. has he C. doesn’t he D. does she 10. You’ve never been in Italy, _________________? A. have you B. haven’t you C. been you D. had you 11. Sally turned her report, ________________? A. didn’t she B. did she C. hadn’t she D. didn’t she 12. He arrived late, _______? A. didn’t he B. did he C. hadn’t he D. didn’t he 13.Andrew isn’t sleeping, _______? A . is he B. isn’t he C.was he D.wasn’t he 14. You have a ticket to the game, _______________? A. have you B. don’t you C. haven’t you D. do you 15. Tom knows Alice, _____________? A. doesn’t he B. is he C. does he D. isn’t he 16. Come into the kitchen, _____________? A. do you B. will you C. won’t you D. B and C 17. Everybody likes beauty, ___________________? A. doesn’t he B. do they C. don’t they D. does he 18. Peter never comes to class late, ________________? A. doesn’t he B. doesn’t Peter C. does he D. does Peter 19. I’m going to see my grandparents in HCM City next week, _______________? A. aren’t I B. am I not C. are you D. A and B 20. Your baby is very lovely, ______________? A. is he B. isn’t he C. is it D. isn’t it

Read the following passage and mark the letter A, B, C or D to indicate the correct word that best fits each of the numbered blanks from 26 to 30. Owning a pet can be a great pleasure. It is a chance to love and care for a living creature. By watching and (26) ________ its growth and behavior, you will discover that having a pet can be exciting and amusing. It is also said that owning a pet reaps benefits to your health. You will have lower blood pressure and lower cholesterol levels. Owning a pet gives you a greater (27) ________ of well- being and decreases your stress level. Different types of pets need different kinds of care. Some pets are easy to look after (28) ________ others are difficult. Pets are not toys and a certain amount of work is needed if you want to take care of them properly. You must be willing to spend a part of each day to (29) ________ your pet’s needs. All pets, big or small, depend on their owners (30) ________ food, housing and protection. Although love is very important, it alone is not enough. 26. A. exploring B. surveying C. observing D. looking 27. A. sense B. feeling C. level D. rank 28. A. when B. unless C. so D. while 29. A. feed B. meet C. see D. buy 30. A. for B. with C. of D. about

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