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Ai mún có ny add face Hảii's Binn nha mà tiện thể giải luôn hộ câu này vs: Cho tam giác ABC vuôn ở A (AB<AC), đường cao AH. Gọi D là điểm dỗi xứng của A qua H. Đường thẳng kẻ qua D song song với AB cắt BC và AC lần lượt ở M và N. Chứng minh a) Tứ giác ABDM là hình thoi b) AM vuôn góc CD c) Gọi I là trung điểm của MC; chứng minh IN vuông góc HN
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B. much go when the traffic lights are red. A. some 5. We A. can't 6. The temple is the A. elder C shouldn'tD. Woulden B. needn't rirst-footing is made when the firg building in our town. hildren are to be given (8) is also a time for peace and (9 D. oldest C. older Every twenty minutes comen, nd money wrapped in a red emdoge B. eldest behave well; and friends, relatives and reiggbours ge each othes ther VI. Complete the conversations with comparative or superlative 1. Stranger: Excuse me. What's (good)the best way to ge to the Dunng Tet, chaten 7. - do the buses run? B. How far for the neww year best (10) A. What time C. How often 8. - "Happy New Year to you!" D How much adjectives. (1 p) A. Thank you, and you to0 C. Have a good time, please 9. Adults as well as children A. can't B. I'm very happy, and yo D. That's all right, thanks quarrel during Tet. C. shouldn't D. mayn't city centre? Well, the subray is (fast) to walk. Tony: the bus. But its easy 2. Stranger: Is it (cheap) Tolstoy: By subway. And it's much (converient to travel by subway or by but B. needn't 3. Francis: Is the capital the (beautifu) Mexica: Yes, it is. And it is the (large) too. 10. The first exercise is easy but the second one is A. easy too C. difficult to0 dty in your courtry? B. less difficult city, too. Read the following text and choose the correct answer for D. more difficult V. Fill each of the gaps in the passage below with one s word from the box. There are more words than you need. (2 city in Europe. It is located on the River Thames and has a history of about each question. Nondon, the capital of England and the United Kingdom, is the largest 000 vears. Over eight million people live in London. Hundreds of thousand holiday comfortably lucky brightly wishes crowded prepared visitor people travel each day into London to work. London has an oceanic climate, but generally it is a dry city. However, London is often very cloudy. On average it rains mildly just about every other day. Temperature extremes for all sites in the London area range from love fairs beautify enjoy In Viet Nam, Tet is a national and family (1) occasion for every Vietnamese to (2) It a good time w 38.1°C at Kew during August 2003, down to -16.1°C at Northolt durir thinking about the last year and the next year. At Tet, spring (3) are organized; streets and public buildings are (4) decorated and almost all shops are (5) January 1962. London's largest industry is finance. Together with New York, the of London is one of the world's largest financial centres, making Lona with people shopp major world influence. for Tet. At home, everything is tidied; special food is (6) However, like many big cities, London has problems with tra onerings of good foods, fresh water and flowers are made on the far pollution. Millions of people use the London Underground a day, altar with burning joss-sticks scenting the air. are still too many buses and trams in the streets. The air isn't c is cleaner than it was 100 years ago.

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