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duycanlht
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cho tam giác abc có 3 góc nhọn. 3 đường cao ad,be,cf cắt nhau tại h a. cminh tam giác aeb đồng dạng afc b. cminh tam giác aef đồng dạng abc c. gọi n trung điểm ah. cminh mn vuông góc ef giải câu c giúp mình thôi nhé ạ mình cần gấp
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Choose the best answer (A, B, C or D). 1. Mike’s exam results are __________ than Nick’s. A. important B. good C. well D. better 2. Susan is not happy because her results in the competition are __________ than her sister’s. A. bad B. good C. better D. worse 3. __________ people own motorbikes now than ten years ago. A. Many B. Much C. More D. Some 4. This type of car is __________ economical than that type. A. more B. much C. many D. as 5. London, the capital city of England, is a __________ city with many old buildings and beautiful parks. A. history B. historic C. largest D. larger 6. __________ go pass the traffic lights, and __________ turn left. A. First – than B. First – then C. Then – first D. Finally – then 7. Is there a theater __________ your neighbourhood? A. in B. on C. at D. with 8. The cinema is __________ the corner of the street. A. on B. at C. in D. into 9. Going by taxi is more __________ than going by bus. A. cheaper B. faster C. easier D. expensive 10. The weather is nice, so I enjoy doing __________ activities. A. outdoor B. inside C. outdoors D. boring 11. The streets in the old quarter in Ha Noi are not wide. They are __________. A. exciting B. quiet C. narrow D. noisy 12. A __________ is a place where we can buy medicines, soap and make-up. A. chemist’s B. grocer’s C. square D. temple 13. The people in Hoi An is incredibly __________ and helpful. A. friend B. friendly C. friends D. friendship 14. It is __________ to live far from the market and the supermarket. A. easy B. inconvenient C. convenient D. comfortable 15. __________ the second turning __________ the right. A. Take – in B. Take – on C. Get – in D. Get – on 16. The map __________ that art gallery is nearer than the cathedral. Shall we go there first? A. speaks B. asks C. says D. talks 17. Can you __________ us the __________ to the post office? A. show – road B. show –street C. tell – road D. tell – way 18. A __________ is a place where we go to buy stamps or send letters. A. library B. post office C. cinema D. school 19. The air in this area is __________ with smock from the factories. A. polluted B. noisy C. clean D. fresh 20. There are many shops near here, so the streets are very busy and ________ during the day. A. noise B. narrow C. quiet D. noisy

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