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phamlinh.pym97
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1 hình chử nhật ABCD có chiều dài 12,5 m chiều rộng bằng 2 /5 chiều dài . người ta cắt 1 phần đất AMD có dạng hình tam giác. biết DM=1/3 CD Tính a) diện tích phần đất đã cắt ? b) diện tích đất còn lại ?
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VIII. Each of the following sentences contains one mistake. Find and correct it. (5pts) 1. My father along with his friend are drinking tea in the living room. ____________________ 2. He has less friends in his class now than he had last year. ____________________ 3. I remember that I have something new to told you. ____________________ 4. It’s important for every students to have a book. _____________________ 5. He stopped to smoke because cigarettes are harmful to his health. _____________________ 6. This is my two child. The first is at home. . _____________________ 7. We live in a four - rooms house in the country. . _____________________ 8. When I am sick, my Mom looks at me. _____________________ 9. There are a few empty apartments near to my house. _____________________ 10. She was confused on the dates. _____________________

1. …………… water is one of the factors that have driven many species to the verge of extinction. A. Contaminating B. Contaminate C. Contamination D. Contaminated 2. It’s recommended that we become more concerned ……………… the environment around us. A. of B. to C. with D. about 3. The …………. Use of pesticides and herbicides has led to contamination of groundwater in some areas. A. widespread B. occasional C. general D. experimental 4. Air ……………, together with littering, is causing many problems in our cities today. A. pollute B. pollution C. polluting D. polluted 5. Many people in this city have received medical …………. for the disease. A. support B. treatment C. help D. assistance 6. The reduction in air pollution was ………… last year. A. dramma B. treatment C. help D. assistance 7. In many poor nations, there are frequent outbreaks of cholera and other diseases because people there ………….. untreated water. A. drink B. to drink C. drinking D. drank 8. The road in front of my office is always ……….. when it rains heavily. A. to flood B. flooding C. flood D. flooded 9. Too much carbon dioxide in the atmosphere causes global ……………. A. warm B. warming C. warmly D. warmth 10. It won’t be possible to save the Earth if we don’t take ………… right now. A. action B. job C. work D. duty 11. Singapore is famous for its …………. And green trees. A. cleanliness B. cleanly C. cleaning D. clean 12. On Christmas Eve, most big cities, especially London are ……………. with coloured lights across the streets and enormous Christmas trees. A. decorated B. hang C. put D. made 13. In the United State, there are 50 …………… and six different time zones across the country. A. decorated B. nations C. towns D. countries 14. I once tried to ………… apple pie when I was in London. It was really delicious. A. do B. cook C. make D. show 15. You should go to Canada in summer because it is the most popular time for visitors to ………….. Niagara Falls and see the beautiful sights there. A. stay B. look C. tour D. visit 16. Nowadays you still see the ……….. men wear kilts (skirts) to wedding or other formal occasions. A. Scottish B. Scotland C. Scots D. Scot 17. The USA has a population of about 304 million, and it’s the third ……… country in the world. A. smallest B. largest C. narrowest D. highest 18. In some English speaking countries, turkey and pudding are ……….. food at Christmas. A. national B. historical C. traditional D. possible 19. New Zealand ………… lovers of nature and fans of dangerous sports. A. attracts B. keeps C. calls D. asks 20. Queenstown in New Zealand has got beautiful ……… and a dry climate, so it’s ideal for outdoor activities. A. look B. viewing C. atmosphere D. scenery

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