Giải giúp mình bài 2 nha mn?thankyou very much

Biểu diễn mối quan hệ giữa các tập hợp số N, Z, Q, R.

giúp mk bài XII,, mk cần gấp cho 5 sao

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II. READING 1. Read the passage carefully the passage then check true (T) or false (F): Many people still believe that natural recources will never be used up. Actually, the world’s energy recources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnham of the New England Institue of Technology, we have to conserving coal, oil and gas before it is too late; and nuclear power is the only alternative. However, many people do not approve of using nuclear power because it’s very dangerous. What would happen if there was a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations. The most effective thing is that we should use natural recources as economical as possible. True or False ………... 1. Many people think that natural recources will never run out. ………... 2. We don’t know exactly how much fuel is left. ………... 3. According to Mr Burnham, there is no substitution for coal, gas and oil. ………... 4. All people agree to use nuclear power as an alternative energy. ………... 5. Natural recources should be used as economically as possible. 2. Read the passage carefully then answer the questions: SAVE THE EARTH People are all slowly destroying the earth. The seas and rivers are too dirty to swim in. There is too much smoke in the air that is unhealthy to live in many of the world’s cities. In big cities, poisonous gases from cars pollute air so much that traffic policemen have to wear oxygen masks. We have cut down so many trees and as a result, there are floods, droughts every year. Wild animals are in danger, too, because there is no environment for them. Some of them even disappeared. However, it is not only talking about the problem. We must save the world. This is an important duty nowadays. Questions: 1. Who are destroying the earth? >…………………………………………………………………………………………………………………………………………………………………….. 2. Are the seas and rivers clean enough to swim in? >…………………………………………………………………………………………………………………………………………………………………….. 3. Why are there floods and droughts? >……………………………………………………………………………………………………………………………………………………………………… 4. What must we do nowadays? >……………………………………………………………………………………………………………………………………………………………………… IV. WRITING 1. Rewrite the second sentence so that it has a similar meaning to the first sentence: 1. I think we should use solar energy to save our environment. I suggest………………………………………………………. 2. My friend failed his exam because of his laziness. My friend failed the exam because he………………………… 3. People have polluted the environment The environment……………………………………………... 4. Wild annimals are in danger because we destroy their environment. If we…………………………………………………………… 5. Ride your bike carefully or you will cause accident. If you

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Tính tổng tất cả các số nguyên x biết:-95<x<96

I. USE OF ENGLISH: 1. Choose A, B, C, or D which best completes the sentences: 1. We should use energy – saving bulbs to save………………………… A. energy B. garbages C. water D. power 2. I think we ………….. turn off the TV after 10 o’clock in the evening. A. may B. should C. can D. shall 3. Tom suggested _________ to eat. A. go out B. going out C. to going out D. went out 4. I think we should _________ energy in order to save money. A. waste B. turn C. use D. save 5. Our environment is extremely _________ . A. wasted B. ended C. polluted D. covered 6. My Dad is alway go to the library. He loves_________________. A. read B. to read C.reads D. reading 7. If you are busy, we____________this by ourselves.. A. would do B. did C. will do D. doing 8. If we go on _________ the water, there will be a shortage of fresh water in the near future. A. pollute B. pollution C. polluting D. polluted 9. In a few years’ time, our houses will be heated by _________ energy. A. nuclear B. solar C. coal D. natural 10. We will be late for school _________ the bus is late. A. because B. so C. however D. but 11. The teacher divided the students _________ four groups. A. in B. into C. on D. onto 12. The cost of living in Vietnam is low compared _________ Singapore. A. as B.with C. of D. than 13. He forgot his umbrella_________ he got wet . A. so B.becauseof C. since D. but 14. My students can speak English very _________ . A. fluently B. fluent C. fluence D. fluenting 15. The fact is that a _________ faucet can waste 500 litre of water a month . A. drip B. dripping C. drips D. dripped 2. Supply the correct Tense or Form of the Verbs in parentheses: 1. We shouldn’t ____________ the garbages( litter) 2. We are looking forward to___________ from her. (hear) 3. Her grandpa used to ________________ his living by catching fish. (make) 4. We ______________ an ideal place to live if we keep our neighborhood clean, (have) 5. In the future solar energy _____________ to replace fossil energy. ( use)

Bức tranh dưới đây gợi cho e suy nghĩ j về nỗ lực đạt đến thành công trong cuộc sống hãy viết đoạn văn 12 câu để bày tỏ

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