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Loga2001hg
2 năm trước
Vào những ngày thời tiết khô ráo, nhất là những ngày hanh khô, khi cởi áo bằng len, dạ hay sợi tổng hợp, ta thường nghe thấy tiếng lách tách nhỏ. Nếu khi đó ở trong buồng tối, ta còn thấy các chớp sáng li ti. Cũng giống như thế nhưng kì vĩ hơn nhiều là hiện tượng chớp và sấm sét trong thiên nhiên. Một trong các nguyên nhân của hiện tượng này là sự nhiễm điện do cọ xát
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Các câu hỏi liên quan

V. Rewrite the following sentences, using the words in brackets. 1. Water in the Cau River becomes brown and has terrible smell because the waste water is released from the paper mill in Thai Nguyen City. (so) …………………………………………………………………………………………………………… 2. Nga ate a big dinner. She had a stomachache. (since) →………………………………………………………………………………………………………… 3. Global warming happens when there is too much carbon dioxide (CO2) in the atmosphere. (causes) →………………………………………………………………………………………………………… 4. Because plastic bags take so long to decompose, nearly all of them still exist in the environment today. (so) …………………………………………………………………………………………………………… 5. We can’t see the stars at night. There is too much light pollution. (due to) →………………………………………………………………………………………………………… 6. Ngoc’s mother is upset because she doesn’t tidy her room every day. (if) →………………………………………………………………………………………………………… 7. We regret it in the future. We use too much energy now.(if) →………………………………………………………………………………………………………… 8. People use too much herbicide to treat weeds, so water in rivers. canals, lakes are extremely polluted and has bad effects on people's health. (because) …………………………………………………………………………………………………………… 9. Household dump waste into the river. It is polluted. (so) →………………………………………………………………………………………………………… 10. Aquatic life suffers or dies because there is thermal pollution. (because of) …………………………………………………………………………………………………………… 11. Noise pollution happens. There is a change in animals’ living pattern. (leads to) →………………………………………………………………………………………………………… 12. There are asthma, allergies and other respiratory illnesses when air pollution happens. (leads to) …………………………………………………………………………………………………………… 13. Acid rain is dangerous. Trees’ leaves are damaged. (because of) →………………………………………………………………………………………………………… 14. Mai is ill now, so she doesn’t participate in this useful activity. (if) →………………………………………………………………………………………………………… 15. Earth gets warmer. The sea level rises. (If) →………………………………………………………………………………………………………… 16. Many fish in the river die due to the increased temperature of water. (because) …………………………………………………………………………………………………………… VI. Write the correct form of words given to complete the sentences. (UNIT 7) 1. The ……………….. fish are floating in the water. DIE 2. Aquatic plants may die because of the ……………….. water. POLLUTE 3. ………..…… is the substance that can kill you if you drink or eat it. POISONOUS 4. ………..…… habitats have been destroyed in recent years. NATURE 5. The water is ……………….., so the fish are dead. POISON 6. The acid rain caused the ……….... to the trees in this area. DAMAGE 7. The river is ……………….., so we can’t drink water from it. CONTAMINATE 8. A number of cleaning products contain ………..…… chemicals. HARM 9. Fumes from the cars and trucks are serious air …………….... . POLLUTION 10. The……………………. of lakes, rivers, oceans or underwater causes water pollution. CONTAMINANT 11. Are all types of pollution ……………….. to the death of humans and animals? HARM 12. The ……………………. are concerned about the oil spills in East Sea. ENVIRONMENT 13. Dumping ……………………. waste into the lakes and rivers has caused serious water pollution. INDUSTRY 14. Many people in this area have cholera because they drink ……………….. water. TREAT 15. If we use water ……………………. , more people will have fresh water. CARE 16. The polluted water results in the …………………. of many aquatic animals. DIE 17. Do storm water and the atmosphere bring non-point source ……………….. ? POLLUTE 18. Don’t use poisonous chemicals. They are………..…… to our health. HARM 19. Water pollution causes the………..…… of a lot of fish. DEAD 20. Light ………..…… makes us unable to see the stars in the sky. POLLUTANT 21. The serious ………..…… has left the river with very few fish. CONTAMINATED 22. Water pollution makes a lot of fish………..…… . DEATH 23. The acid rain has caused the great …..……….... to the environment. DAMAGED 24. An…………....…… of agrochemicals is pesticides. ILLUSTRATE 25. Noise is considered as………..……..… pollution. ENVIRONMENT (UNIT 8) 1. Both French and English are ….....…… languages in Canada. OFFICE 2. The Gold Coast is famous for its most …........…… theme parks in Australia. ICON 3. There are different kinds of …......…… provided throughout Disneyland. ENTERTAIN 4. Scotland is a ……… land this is noted for its rich and interesting history. LEGEND 5. Niagara Fall, on the border of the USA and Canada, is one of the most ……………………… scenery in the world. SPECTACLE 6. There are many tourist … ……… in London such as British Museum, London Eye and Tower of London. ATTRACT 7. The Canadians are native ……………………… of English. SPEAK 8. The silver fern is a national ……………………… of New Zealand. SYMBOLIZE 9. New Zealand is well-known for the ……………………… beauty of its mountains and forests. SCENERY 10. The Glastonbury ……………………… in England attracts thousands of people every year. FESTIVE

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