Tìm x biết: a/ |x- 5| = 3; b/ |1 -x| = 7; c/ |2x + 5| = 1

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CHUYỂN SANG CÂU ĐIỀU KIỆN LOẠI 2 1. People throw rubbish in the street.The street doesn’t look attractive. ………………………………………………………………………………………………… 2. There are so many billboards in our city. People can not enjoy the view. …………………………………………………………………………………………………There is so much light in the city at night.We can not see the stars clearly. ………………………………………………………………………………………………… 3. We turn on the heater all the time. We have to pay three million dong for electricity a month. ………………………………………………………………………………………………… 4. The karaoke bar makes so much noise almost every night. The residents complain to its owner. ………………………………………………………………………………………………… 5. She has a headache after work every day.She works in a noisy office. ……………………………………………………………………………………………… 6. The factory is located near our village. There is air pollution and noise pollution. ………………………………………………………………………………………………… 7. The local people have to use water from the polluted river.They don’t have fresh water. ………………………………………………………………………………………………… Trees and glasses can not grow here.The soil is badly polluted. ……………………………………………………………………………………………… 10.Mr.Quang works in a noisy environment.His hearing becomes worse. …………………………………………………………………………………………………

VII. Choose the second sentence which has the similar meaning to the first one. 41. Mrs. Chi taught us English when we were pupils. A. Mrs. Chi used to teach us when we were pupils. B. Mrs. Chi used to teaching us when we were pupils. C. Mrs. Chi used teaching us when we were pupils. D. Mrs. Chi use to teach us when we were pupils. 42. The teacher speaks English better than we. A. We speak English badder than the teacher. B. We speak English worst than the teacher. C. We speak English worse as the teacher. D. We speak English worse than the teacher. 43. The board awarded the first prize to the reporter. A. The first prize is awarded to the reporter. B. The first prize are awarded to the reporter. C. The first prize was awarded to the reporter. D. The first prize were awarded to the reporter. 44. The lesson is very difficlut. We can’t understand it. A. The lesson is difficult enough for us to understand. B. The lesson is too difficult for we to understand. C. The lesson is too difficult for us to understand. D. The lesson is too difficult for us to understand it. 45. My father started to give up smoking last year A. My father has gave up smoking since last year. B. My father has given up smoking since last year. C. My father have given up smoking since last year. D. My father has given up smoking for last year. 46. Don’t walk on the grass or you will kill the new grass. A. If you walk on the grass, you’ll kill the new grass. B. If you walk on the grass, you won’t kill the new grass. C. If you don’t walk on the grass, you won’t kill the new grass. D. Both A and C are correct. 47. played/ over/ world/ football/ all/ is/ the. A. Football is played all over the world. B. Football is played over all the world. C. All football is played over the world. D. Football is all over the world played. 48. they/ the/ get/ told/ how/ me/ to/ airport/ to. A. They told me to get how to the airport. B. They told me how to get to the airport. C. They told me to the airport how to get. D. They told to me how to get the airport. 49. If/ he/ eat/ all that/ he/ be / ill. A. If he eat all that, he will be ill. B. If he eats all that, he will be ill. C. If he eats all that, he would be ill. D. If he ate all that, he will be ill. 50. although / he / like / chocolate, he /try / not / eat A. Although he like chocolate, he tries not to eat it. B. Although he likes chocolate, he tries not eating it. C. Although he likes chocolate, he tries not to eat them. D. Although he likes chocolate, he tries not to eat it.