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phuongnhihoangnbk
2 năm trước
Hãy trả lời các câu hỏi vận dụng sau: - Một trái dừa có khối lượng 2kg được thả rơi từ trên cao xuống một mương nước ở cách trái dừa 8m. Tính công của trọng lực tác dụng lên trái dừa khi roơi. - Một người nâng quả tạ 4kg lên cao 0,4m, lực nâng bằng trọng lượng của tạ. Hãy tính công do người thực hiện khi nâng tạ đi lên 50 lần. Giúp mình với mình với mình sẽ vote 5 sao nha 😍😍😍😍
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GIÚP MÌNH I. Find the word which has a different sound in the part underlined. 1. A.flood B.wood C.book D.cook 2. A.overcrowded B.house C.country D.town 3. A. health B.heat C.meat D.seat 4. A.pavement B.travel C.imagine D.transport 5. A.footprint B.shoot C.smooth D.toothache 1.A 2 3. 4 5. II. Choose the word which has a different stress pattern from the others. 6. A.petrol B.chimney C.future D.hotel 7. A.overcrowded B.population C.uncomfortable D.celebration 8. A.eco-friendly B.environment C.renewable D.abundantly 9. A.underwater B.supersonic C.malnutrition D.intelligent 10. A.spacious B.comfort C.traffic D.resource 6.D 7.C 8. 9. 10. PART C- VOCABULARY AND GRAMMAR III. Find which word does not belong to beach group. 11. A.cycle B.drive C.ride D.fly 12. A.coal B.gasoline C.wind D.natural gas 13. A.plentiful B.short C.abundant D.unlimited 14. A.convenient B.comfortable C.enjoyable D.difficult 15. A.save B. recycle C.conserve D.waste 11. 12. 13. 14. 15. IV. Choose the correct answer. 16. Driverless cars have already , and they look so cool. A.gone B.travelled C.exist D.existed 17. If I have a jet pack. I will use to fly anywhere easily. A.my B.mine C.his D.their 18. A sky safety system will stop everyone crashing in the sky. A.at B.from C.through D.for 19. Do we need much to park that kind of vehicles? A.land B.ground C.soil D.space 20. Do you think it will be (an) , green way to travel? A.convenient B.inconvenience C.polluting D.polluted 21. I think in the future cities will be more crowded and the traffic will get . A.good B.well C.worse D.worst 22. Which is the best of transport for the future? A.mean B.means C.traffic D.ways 23. Sidewalks are to moving walkways in airports. A.familiar B.similar C.different D.same 24. We are looking for cheap, clean, sources of energy. A.polluting B.harmful C.expensive D.effective 25. We should try to reduce energy as much as possible. A.production B.producers C.consumption D.consumers 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. V. Complete the sentences, using the correct possessive form of the words in brackets. 1. This schoolbag is . (I) 2. These books are . (we) 3. Those books are . (they) 4. This raincoat is . (Nick) 5. is light blue, but my hat is red. (she) 6. This is my pen, and that one is . (you) 7. Our flat has four rooms, and has five rooms. (they) 8. This notebook is . (you) 9. These pencil are . (Ann) 10. Our car is a Chevrolet, but is a Toyota. (they) VII. Complete the following sentences with proper prepositions: 1. Were your friends successful________ getting a loan from the bank? 2. Don’t you think you should try to be friendly________ your classmates? 3.. I’m sorry__________ the noise last night. We were having a party. 4 . I feel sorry__________ George. He has got no friends and no money. 5. Who was responsible_________ all that noise last night? 6. Are you interested___________ art and architecture? 7. I’m sure you are capable____________ tourists. 8. Your writing is similar__________ mine. 9. Mary is very fond_________ animals. She has three cats and two dogs. 10. We stayed at home because Ann wasn’t very keen________ going out in the rain. 11. Fred is capable________ doing better work than he is doing at present. 12. There’s really no need for you to be afraid________ the examination. 13. Ken was proud________ his good marks on the English. 14. Mr. Green is responsible ________hiring employees. 15. Pierre said he had become quite fond_______ American hamburgers.

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