user-avatar
mai2018
2 năm trước
Cho tam giác ABC cân tại A từ A hạ AH vuông góc với BC trên tia đối của tia HA lấy điểm M sao cho HM = HA Trên tia đối của tia CB lấy điểm N sao cho CN = BC a)chứng minh C là trọng tâm của tam giác AMN b) cắt MN tại I Chứng minh song songAN Cần gấp vs chính
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

D. WORD FORMS Give the correct form of the word given to complete the sentences. 1. I saw so many _______________flowers when I attended the festival last year. (beauty) 2. The Christmas season is also called the____________ season. (festival) 3. I loved the____________ this night. (perform) 4. There is a great _______________for girls on March 3rd every year. (celebrate) 5. What I like about festivals is that they show the____________ values of different communities. (culture) 6. Hoi An is an old city with many places of _______________. (interesting) 7. The _______________for Hue festival is taken by my group. (prepare) 8. All the streets in the city center are decorated with _______________lights and red banners. (color) 9. There has been various _______________shows on TV recently. (entertain) 10. The Chinese New Year marks the ____________spring and the start of the Lunar New Year. (begin) 11. Streets are decorated with lights and red banners. (colour) 12. It is____________ in America to eat turkey on Thanksgiving Day. (tradition) 13. Vietnam’s New Year is ____________ according to the Lunar calendar. (celebrate) 14. What forms of ____________do you participate in during the festival? (entertain) 15. Her eyes were wide with ____________ when she heard the news. (excite) 16. A masquerade is a ______________ gathering of people wearing masks. (festival) 17. The Rio Carnival Samba ______________ are known as the greatest show on Earth! (parade) 18. A music festival includes live ______________ of singing and musical instrument playing. (perform) 19. Hue Festival is a ______________ event that is held every two years. (culture) 20. New Year’s Eve is one of the largest global ______________ because it marks the last day of the year. (celebrate) G. WRITING I. Choose the underlined word or phrase (marked A, B, C or D) in each sentence that needs correcting. 1. When it raining. I usually go to school by bus. A B C D 2. I learned a lot of Japanese while I am in Tokyo. A B C D 3. I have not been well since I return home. A B C D 4. I’ll stay here until will you get back. A B C D 5. When Sam was in New York, he stays with his cousins. A B C D 6. Last night, I had gone to bed after I had finished my homework. A B C D 7. I will call you before I will come over. A B C D 8. Ever since I was a child, I had been afraid of dogs. A B C D 9. By the time I left my apartment this morning, someone looked for me. A B C D 10. Whenever Mark will be angry, his nose gets red. A B C D II. There is one mistake in each sentence. Underline and correct the mistake. Sentences Correction 1. People organizes the festival to pray for the better crop. 2. Those are Picasso well-known pictures. 3. The Flower Festival celebrated every year in Da Lat city. 4. In this city, people always shave turkey at Thanksgiving. 5. Rice is one of Vietnam’s main export. 6. When is your mother’s date of birth? 7. In spite of they were tired, they wanted to watch the film. 8. He didn’t used to be a doctor, he used to be a manager of a computer company. 9. There are less TV programs for teenagers than there are for adults 10. The distance from Hanoi to Can Tho is about 1.877 kilometre. ___________ II. Choose the correct word A, B or C for each gap to complete the following passage. Yesterday, Carlos went (1) __________ La Tomatina. The festival is held on the last Wednesday of August every year in Buñol, Spain. (2)__________ were thousands of people there. In the morning, many people tried (3) __________ up the pole to get the ham. At 11 a.m., they (4)__________a jet from the water cannons and the chaos began. Bags of tomatoes from trucks were (5)__________ to the crowds, and they began throwing tomatoes at one another. They all had to wear goggle (6)__________their eyes. After one hour, they saw another jet and stopped (7)__________. The whole town square (8)__________red with rivers of tomato juice. Finally, they tried tomato Paella, (9)__________Spanish rice dish. Together with local people and tourists, they enjoyed the (10) __________food and drink. 1. A. at B. in C. to D. from 2. A. There B. They C. That D. This 3. A. climb B. climbed C. climbing D. to climb 4. A. saw B. see C. seen D. seeing 5. A. thrown B. threw C. throw D. throwing 6. A. protecting B. to protect C. protected D. protect 7. A. to throw B. throw C. throwing D. thrown 8. A. were B. are C. was D. is 9. A. tradition B. traditional C. traditionally D. traditionalize 10. A. badly B. better C. well D. good I

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team