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nguyenthuyanbn2000
2 năm trước
có 2 quả cân 1kg,2 quả 2kg và 1 quả 5 kg .sử dụng cân đĩa thăng bằng để cân ,hỏi chỉ dùng mỗi lần 3 quả cân đặt trên cùng 1 đĩa cân ,cô bán hàng có thể cân được bao nhiêu túi cam có cân nặng khác nhau
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II: Complete the sentences with the most suitable words: 1. They don’t drink coffee. _______ do their friends. A. either B. neither C. too D. so 2. She hates fish and_______ do I. A. either B. neither C. too D. so 3. You can buy pineapples and bananas at the_______ stall A. meat B. fruit C. food D. chicken 4. I_______ like some spinach and cucumbers. A. hard B. did C. would D, do 5. What_______ the weather like there? A. does B. did C. was D. will 6. I like_______ badminton. A. playing B. making C. working D. acting 7. Harry is working at a bank_______. A. at the moment B. a year ago C. for a year D. in a moment 8. Who is_______ , Mary or Cathy? A. tall B. taller C. tallest D. more taller 9. The Robinsons always go to Vietnam_______ plane. A. in B. on C. with D. by 10. _______ noodle for breakfast yesterday? A. Did you eat B. Were you eat C. Did you ate D. Do you ate 11. It took us two hours_______ to Hanoi. A. drive B. driving C. to drive D. drove 12. Hoa and her brother_______ at home last Sunday. A. didn’t are B. wasn’t C. weren’t D. not were III. There mistake in the four underlined part of each sentence underline it then correct it . 1. You should take a taxi although it is raining hard . ________________ A B C D 2. The telephone was invented with a Scotsman, Alexandre G. Bell, in 1876. ________________ A B C D 3. It is difficult for students to answer all of the question in fifteen minutes. ________________ 4. It has been a long time since we last talked together, isn’t it ? ________________ A B C D 5. Lots of information are store in the computer. ________________ A B C D 6. This is the second time I took part in the flower-making contest. ________________ A B C D

a. We arrive at the airport [1] _____ time to get [2] _____ the plane. b. The man was arrested [3] _____ throwing stones [4] _____ the moving trains. c. [5] _____ return [6] _____ food, the boy had to do all the work in the house. d. Don't interfere [7] _____ my work. It's none [8] _____ your business. e. The problem with drinks [9] _____ that is they are full [10] _____ sugar. f. They put all the blame [11] _____ the driver [12] _____ the accident. g. She can’t make [13] _____ the professor’s explanation; it’s quite [14] _____ her understanding.h. We walked quietly [15] _____ fear [16] _____ being discovered. i. The village is well [17] _____ sea level, and [18] _____ risk of being flooded when the tide is high. j. [19] _____ the time being, they are looking [20] _____ the cause of the Malaysian missing plane. ai làm dc là dỗ chuyên tp

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