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khanhduysystem
2 năm trước
Cho ABC nhọn với đường cáo BE,CF căt nhau tại H. C/m A,H,E,F nằm trên 1 đg tròn Gọi M là trung điểm BC. C/m ME,MF là tiếp tuyến đg tròn đó
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SUPPLY THE CORRECT FORM OF THE WORD IN BRACKETS: 1. People in my country are very warm and ________________. ( friend ) 2. An _______________ is a child whose parents are dead. ( orphanage ) 3. L.A. Hill is a ________________ writer. ( humor ) 4. She looks more _________________ than her sister. ( beauty ) 5. I am _______________ enough to have a lot of friends. ( luck ) 6. They enjoyed the _________________ summer evenings in the countryside. ( peace ) 7. It was _________________ of him to offer to pay for us both. ( generosity ) 8. Bao is very ________________ , kind and generous. ( social ) 9. After his parents died, he was sent to an ________________. (orphan ) 10. Huy makes friends very easily because he is very _____________. ( social ) 11. We like our English teacher of his sense of _______________. ( humorous ) 12. Thank you for your _______________ behavior. ( generosity ) 13. Ba often tells jokes. He is a ______________ boy. ( humor ) 14. I love the ______________ of the summer evenings in the countryside. ( peaceful ) 15. No one likes him because he is _______________. ( friend ) 16. This led to the _______________ of the telephone. ( invent ) 17. Alexander Graham Bell was a great _______________. ( invent ) 18. The life in the countryside makes us relaxed because it’s very _______________. ( peace ) 19. _______________, he passed the exam. ( Lucky ) 20. _______________, he lost the game. ( Lucky ) 21. _______________, no one was injured in the fire last night. ( Lucky ) 22. _______________, the barber cut my hair too short. ( Luck) 23. Faraday is one of the greatest ________________ in history. ( invent ) 24. My friend Phuong Anh enjoys doing ______________ work. ( society ) 25. How was television ______________ ? ( invent ) 26. Michael Faraday made a lot of ____________________ in the field of electricity. ( invent) 27. Nam’s _______________ makes him different from others. ( generous ) 28. Her sister plays the violin very ______________. ( beautiful ) 29. Lam’s _________________ of books is attractive. ( arrange ) 30. Alexander Graham Bell _________________ demonstrated his invention. ( success ) Giúp mình với ạ mình cần gắp

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