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ntanh27112002
2 năm trước
Một xưởng dệt theo kế hoạch mỗi ngày phải dệt 45 chiếc khăn. Trong thực tế, mỗi ngày xưởng dệt được 50 chiếc khăn nên đã hoàn thành trước thời hạn 6 ngày, ngoài ra còn làm thêm được 15 chiếc khăn nữa. Nếu gọi thời gian xưởng làm theo kế hoạch là x (ngày, x > 45) thì phương trình của bài toán là gì
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Giúp hộ Ex3. Finish the following sentences in such a way that it’s as similar in meaning to the original sentences. 13. Peter is too young to see the horror film. → Peter is not ............................................................................................ 14. I do this exercise in three and a half hours. → It takes........................................................................................................................ 15. To see that film is interesting. → It’s interesting........................................................................................................... 16. The test is so difficult that the pupils can not finish it in time → The test is too ............................................................................................................ Ex4-Using the words given and other words, complete the second sentence so that has a similar meaning to the first one. Do not change the word given. 1-Whose bag is this? Belong =>Who does this bag belong to? 2-Shall we use gas instead of burning coal? =>I suggest……………………………………………………….……………………. 3-How about reducing the amount of water we use everyday? =>Why……………………………………………………………………………? 4-What about using energy-saving appliances? =>I think…………………………….……………………………………………… 5-Why don’t you install a burglar alarm in your house. =>I suggest……………………………..……….. …………………………………… 6-What about going out this evening? =>Let’s …………………………………………………………….…………… 7-Let’s collect old clothes. => I think………………………………………….…………………………………... 8-I suggest that you should drink a lot of water. =>Why ……………………………………………………………………………... 9-How about going to work by bikes instead of motorbikes to save energy? => Shall ………………………………………….………………………………..? 10.I think you should eat a lot of vegetables to lose weight. =>How………………………………..………………………………………....

Giúp nhé =)) Ex1. Underline the best answers: 1. He is not (enough old to/ old enough to/ enough old for/ old enough for) get married. 2. What about (have – to have – having – had) fruits? 3. The test is too difficult for the pupils (finishing- finish – finished- to finish) in time. 4. Do you mind (close – to close – closing – closed) the door? 5. After (come – came – to come – coming) home, tom reads the morning newspaper. 6. We go to school in order (to prepare – prepared – preparing – prepare) our future. 7. The sad movie made me (cry – to cry – crying – cried). 8. We decided ( to stay – stay – staying – stayed ) at home because of the heavy rain. Ex2. Complete the form of the verbs in parentheses:​ 1. You must (wash) ...................... your hands before meals. 2. I am used to (stay) ...................... up late. 3. It takes him 2 hours (finish) ...................... this exercise. 4. The test is too difficult for the pupils (finish) ...................... in time. 5. They let him (play) ...................... here. 6. It’s no use (tell) ...................... him (tell) ...................... the truth. 7. You had better (be) ...................... there on time. 8. The man shows us how (get) ...................... to the railway station. 9. I used to (visit)...................... Nha Trang. 10. Mai is busy (cook) ...................... in the kitchen. 11. They told us (not stay) ........................................ here. 12. She advised me (not be) ...................................lazy.

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