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KulKul
2 năm trước
Tính thể tích không khí ở điều kiện tiêu chuẩn cần thiết để đốt cháy hết 7,5 kg than, giả thiết than có chứa 80% C và còn lại là tạp chất không cháy.
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VII. Complete the second sentence so that it has a similar meaning to the first. 1. Did you often go to the beach when you lived in Nha Trang? Did you use................................................................................................... ? 2. Linda doesn’t live with her parents any more. Linda used ...................................................................................................... 3. I don’t have time to collect stamps as when I was in primary school. I used.............................................................................................................. 4. He is not a poor man any more, but he becomes a rich businessman. He used .......................................................................................................... 5. They didn’t often go to the cinema every Sunday last year. They didn’t use............................................................................................... 6. My hair now is much longer than that in the past. In the past my hair used ................................................................................. 7. I usually stayed up late to watch football matches last year, but now I don’t. I used.............................................................................................................. 8. There were some trees in the field, but now there aren’t any. There used......................................................................................................

IV. Put the words/ phrases from the box in each space to complete the following sentences. zebra crossing railway station speed limit traffic jams road user means of transport driving license safety helmet road safety train tickets 1. The government has introduced a new _______ campaign in an attempt to reduce the number of road accidents. 2. A ____________ is a hard hat which covers and protects the whole head, worn especially by motorcyclist. 3. We looked on our map to find the way to the __________________. 4. Roadworks have caused __________________ throughout the city centre. 5. A _____________ is a place on a road at which vehicles must stop to allow people to walk across the road. 6. You should know the regulations in order to become a good ______________. 7. A ________________ is an official document that shows you are able to drive. 8. Slow down because you’re breaking the __________________. 9. We needed to get to Ha Noi, but we had no __________________. 10. I have two ___________ available to go to Lao Cai. Would you like to go with me to Sa Pa? V. Complete the sentences with “used to” or “didn’t use to”. 1. I ___________________ like sports, but now I do a lot of different sports. 2. I ___________________ be afraid of heights, but then I started climbing hills. 3. I ___________________ like putting my head in the water because I couldn’tswim. 4. I __________________ go skating until I met Anna in Switzerland, and then we have practised a lot so far. 5. I ___________________ go to school on foot, but now I ride a bicycle to school. VI. Make sentences using the words and phrases given. 1. Another problem/ the increase/ the number/ cars/ the road. ................................................................................................................................................................................ 2. There/ transport rules/ but/ many people/ not seen/ really interested/ follow/them. ................................................................................................................................................................................ 3. The traffic/ worst/ rush hours/ when/ everyone/ try/ get to work/ get home quickly. ................................................................................................................................................................................ 4. Some people/ ride/ motorbikes/ the pavements/ rather than/ waiting/ a traffic jam. ................................................................................................................................................................................ 5. The traffic/ a nightmare/ visitors/ Viet Nam/ the first time. ................................................................................................................................................................................ 6. More people/ own/ private cars/ it/ make/ the problem/ the traffic jams/ worse. ................................................................................................................................................................................ 7. Pedestrians/ get injured/ hit easily/ when/ they/ walk/ the pavements/ cross the roads/ such times. ................................................................................................................................................................................ 8. Road users/ very impatient/ quite aggressive/ constantly using their horns/ even shouting/ others. ................................................................................................................................................................................ 9. Three or four people/ one motorbike/ a common sight/ particularly/ young people. ................................................................................................................................................................................ 10. Some people/ install/ air horn/ their motorbikes/ this/ really annoying/ other people/ sometimes/ it cause/ accidents. ...............................................................................................................................................................................

UNIT 7: TRAFFIC 1. Find the word which has a different sound in the part underlined. 1. A. car B. date C. lazy D. hate 2. A. train B. wait C. said D. paid 3. A. sailing B. railway C. brainstorm D. captain 4. A. safety B. chat C. taste D. waste 5. A. centre B. let C. belt D. security 6. A. safety B. traffic C. station D. plane 7. A. seat B. head C. heavy D. weather 8. A. head B. break C. bread D. heavy 9. A. maid B. wait C. said D. sail 10. A. hey B. grey C. honey D. obey 11. A. lake B. came C. station D. start 12. A. seatbelt B. bread C. ahead D. healthy 13. A. nature B. ancient C. radio D. village 14. A. enter B. mention C. vehicle D. helicopter 15. A. take B. mistake C. indicate D. says 16 A. traffic B. pavement C. plane D. station 17. A. recycle B. vehicle C. helicopter D. reverse 18. A. sign B. mistake C. triangle D. drive 19. A. nearest B. head C. bread D. health 20. A. railway B. mail C. sail D. captain 2. Choose the best answer (A, B, C or D). 1. Cyclist and motorist have to wear a ______ when they ride a motorbike. A. cap B. mask C. helmet D. hard that 2. He forgot to give a ___________ before he turned left and got a ticket. A. hand B. signal C. sign D. light 3. All of us have to obey ____________ strictly. A. traffic B. traffic rules C. traffic jam D. regular 4. We should wait for the traffic lights ___________ before we cross the street. A. turn yellow B. turn green C. to turn yellow D. to turn green 5. Drivers have to ___________ your seatbelt whenever they drive. A. tie B. fasten C. put on D. put 6. We should __________ the street at the zebra crossing. A. walk B. walk through C. walk on D. walk across 7. _________ is it from your house to the nearest bus stop?” – “about 50 metres”. A. How much B. How long C. How far D. How often 8. Linh used to __________ jigsaw puzzles in his spare time. A. do B. does C. doing D. did 9. Public __________ in this city is quite good, and it’s not expensive. A. vehicle B. travel C. transport D. journey 10. I ____________ marbles when i was young, but now i didn’t. A. play B. used to play C. have played D. didn’t use to play 11. There _________ a bus station in the city centre, but it has been moved to the suburbs. A. were B. used to have C. use to have D. used to be 12. ___________ does it take to go from ha noi to ho chi minh city by plane. A. How much B. How many C. How long D. How far 13. Minh used to ___________ his homework late in the evening. A. do B. does C. doing D. did 14. If people ___________ the rules, there are no more accidents. A. follow B. take care of C. obey D. remember 15. You should ___________ right and left when you go across the road. A. see B. look C. be D. take 16. Hurry up or we can’t ___________ the last bus home. A. keep B. follow C. go D. catch 17. Lan used to go to school ___________. A. with bike B. by foot C. in car D. by bus 18. Public ___________ in my town is good and cheap. A. travel B. journey C. tour D. transport 19. When there is a traffic jam, it ___________ me a very long time to go home. A. takes B. costs C. spends D. lasts 20. Yesterday rick and peter _______ round west lake. It took them an hour. A. cycle B. cycles C. cycling D. cycled III. Fill each blank with a word from the box accidents break vehicle across did rules it feels after ride 1. What ________________ you do last Sunday? 2. I stayed at home and looked ________________ my younger brother yesterday. 3. He lives in a small village in the mountains so he never ________________worried about traffic jams. 4. You should remember to walk ________________ the streets at the zebracrossings. 5. Does your bike ever ________________ down on the way to school? 6. We must always obey traffic ________________ for our safety. 7. How far is ________________ from your house to the bus stop? 8. There did not use to be many ________________ on the roads in my hometown. 9. He used to ________________ a tricycle when he was three years old. 10. Now there are more traffic ________________ than there used to be in this city

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