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giải thích hiện tượng: vào những ngày thời tiết khô ráo, đặc biệt vào những ngày hanh khô, khi cởi áo ngoài bằng len hay dạ tổng hợp ta thường nghe thấy những tiếng lách tách nhỏ. nếu khi đó ở trong buồng tối ta còn thấy các chớp sáng li ti mn giúp mk vs ạ
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II. Read and decided if the following sentences are true(T) or false(F): Our oceans are becoming extremely polluted. Most of this pollution comes from the land, which means it comes from people. Firstly, there is raw sewage, which is directly pumped into the sea. Many countries, both developed and developing are guilty of doing this. Secondly, ships drop about 6 million tons of garbage into the sea each year. Thirdly, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only pollutes the water, but it also kills marine life. Next, there are waste materials from factories. Without proper regulations, factory owners let the waste run directly into the rivers, which led to the sea. And finally, oil is from the land. This can be the result of carelessness or a deliberate dumping of waste. 1)People make our oceans extremely polluted. ___ 2)Ships drop about 6 million tons of garbage into the sea every year.____ 3)Oil leaking from the vessel doesn’t kill marine life. ____ 4)The paragraph is about “ how the ocean is polluted”. ____ 5)The phrase “ doing this” in line 3 means _______________. A. becoming extremely polluted B. coming from the land C. pumping raw sewage into the sea D. coming from people 6)Ships drops about _________ millions tons of garbage into the sea each year. A. 8 B. 6 C. 10 C. 5 7.Tam workd hard Tam 8.They play soccer very well They

1. Phong ____________ three goals for our team and made it a hattrick. A. scores B. scored C. plays D. played 2. Our school football team ____________ the match v.s Nguyen Du School last Saturday. A. wins B. won C. scores D. scored 3. Blackburnrover is at the bottom of the league. They ____________ most of their matches. A. scored B lost C. won D. played 4. Playing sports helps us get ____________. A. free B. fat C. fittest D. fitter 5. Minh’s dream is to become a ____________ A. loser B. contestant C. contest D. gamer 6. I’d like to watch motor-racing because it is very ____________. A. frightening B. exciting C. excited D. boring 7. My sister often ____________ badminton in her free time. A. play B. plays C. playing D. to play 8. When you go to the zoo, don’t ____________ the animals. A. do B. play C. watch D. tease 9. Sports and games ____________ an important part in our life. A. play B. do C. make D. take 10. Football is regarded ____________ the most popular sport in the world. A. for B. as C. like D. of

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