user-avatar
Light1234
2 năm trước
cho tam giác ABC, AB=8cm, AC=6cm,BC=10cm. Phân giác AD và CE. a) Tính AE,EB,AD,DC. b) Trên cạnh BC lấy K sao cho BK=m. Chứng minh AK BD CE đồng quy
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Choose the best option for each sentence below. ( 5.0 ms ) 1. Hoa has a bad cold so she should __________ in bed. A. to stay B. stay C. staying D. stayed 2. __________ you open the door for me, please? A. Would B. Do C. Should D. Are 3. ________________ is your weight?- I am 42 kilos. A. When B. What C. Where D. Why 4. How _____________ is The Great Wall?- It is 8.850 kilometer long. A. old B. tall C. heavy D. long 5. The nurse told Hoa ____________ to the waiting room. A. return B. returning C. returned D. to return 6. What was wrong with you?- “ ________________”. A. I was home B. I was five C. I had a bad cold D. I am ok 7. Nga’s mother ______________ her a nice dress yesterday. A. buys B. wil buy C. bought D. is buying 8. We ought to have a medical ____________ every six months. A. chek - up B. record C. treatment D. problem 9. My mother often __________ shopping every weekend. A. is going B. goes C. will go D. went 10. Minh is absent _________ class today because he is ill. A. to B. for C. from D. at 2. Supply the correct form of the verbs in brackets.( 3.0 ms ) 11. You should ( go ) _______________ to bed early. 12. Jasmin ( not come ) ______________ to the meeting yesterday. 13. My father ( be ) ___________ really healthy because he always does morning exercise. 14. She needs ( eat ) _____________ a lot of vegetables and fruit. 15. Lan ( be ) ____________ very tired when she ( catch ) ____________ a bad cold two days ago. 3. Rewrite the sentences, so that their meaning stays the same, using the beginning given for each (2.0 ms ), sentence 16 is an example. 16. How tall are you? → What is your height? 17. How tall is your brother? → What _____________________________________________? 18. What is the weight of the parcel? → How heavy_________________________________________? 19. What is your address? → Where ____________________________________________ ? 20. What is the distance between your house and your school ? → How far ___________________________________________?

IX. Read these following passages and decide if these following statements are TRUE or FALSE : RECYCLING FACTS Drink cans : People throw away billions of cans every year all over the world. In Oregon, the government made a new law several years ago. They said that there must be a deposit on all drink cans. The deposit is returned when people bring the cans back for recycling Compost : Farmers have recycled their waste for thousands of years. They grow food for their animals and use the dung for fertilizing their fields. They also collect household and garden waste to make compost. Compost is a wonderful fertilizer . It helps plants grow. Newspaper : Newspaper are commonly recycled into paperboard, new newsprint, insulation and animal bedding products. Recycling newspapers saves valuable space in landfills. Put newspapers in paper bags or tie bundles with string. In general, you can include any inserts (advertisements, comics) originally delivered with the paper. Other paper products : Office paper can be recycled into other writing paper, tissue and towel products. Corrugated paper is used to make new paperboard and corrugated boxes. Some programs are recycling magazines, catalogs, telephone directories and unwanted “junk” mail. These materials should be handed in the same way as newsprint : store in paper bags or tie in bundles. 1. Billions of cans are discarded every year over the world. T 2. Drink cans are bought back for recycling. T 3. The Oregon government made a new law that there must be a deposit on all drink cans. T 4. Household and chemical waste is made into compost. T 5. We can recycle newspapers into paperboard, new newsprint and animal bedding products. 6. Recycling office pare saves valuable space in landfills. 7. Newspapers are recycled into writing paper, tissue and towel products 8. Some recycled materials such as magazines, catalogs, telephone directories, unwanted “junk” mail should be stored in paper bags or tied bundles. Every day of the year over the world, about twenty million paper bags and newspapers are screwed and thrown away. Making paper requires a lot of wood pulp and the work of millions of workers. Many countries have had plans to recycle waste paper to save money and labor. In countries where there is the cooperation of the public, paper mills recycle as much as sixty percent of waste paper. Their simple work is to take away the ink, crush it up and make into pulp again. For every ton of recycled newsprint, twelve trees can be saved. We can insist that the more paper people save, the more trees are preserved. 1. Every day, there are millions of paper bags and newspapers are screwed and thrown away. 2. Paper mills recycle 66 percent waste paper. 3. To save money and labor, many countries make plan to reproduce wood pulp. 4. Would pulp is used for making papers and newspapers.

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