Bài 15 :
Đáp án: ΔABC vuông tại B
Giải thích các bước giải:
29. I’d like Peter to give up smoking. I wish________________________________________ 30. The last time she went abroad was five years . She hasn’t __________________________________ 31. They made jean cloth completely from cotton in the 18th century. Jean cloth________________________________________________________________ 32. That young man drove too fast , so he caused a terrible accident That young man ___________________________________________________________ 33. The boy has sent us some books. Some books __________________?
viết các biểu thức sau dưới dạng tổng : (x+3)(x^2-3x+9) (x+5)(25-5x+x^2)
1. He ________________________in an apartment in District 5 for ten years. (live) 2. Millions of Christmas cards ________________________last year. (send) 3. Wearing uniforms helps students ______________________equal in many ways. (feel) 4. Rice ______________________in tropical countries. (grow) 5. You ______________________dinner yet? (eat) 6. I __________________________English since I graduated from university. (teach 7. It’s dangerous ________________________in this river. (swim) 8. I ________________________to her party last night. (invite) 9. Water can’t ________________________here. (find) 10. She hates _________________________at. (laugh)
giúp mik với mik hết điểm r cảm ơn bạn
Why does English (17)_____ an international language meanwhile Chinese is used by more than one-fifth of the world? There are some main causes. In the nineteenth century, Great Britain became (18)_____ after The Industrial Revolution. The English Empire hit many countries and made them as their colonies. English was (19)_____ used there. Gradually, those countries spoke English as their native language or second language. (20)______ the World War II, the United States, one of the English-speaking countries, become the most powerful and so then more people speak English. English grammar is rather easy and simple compared (21)______other languages. However, English learners, even the native speakers, sometimes have troubles with English (22) ______. That can be overcome. 13. A. be B. become C. get D. have 14. A. power B. powerless C. powerful D. powerfully 15. A. rarely B. friendly C. officially D. hardly 16. A. After B. Before C. Since D. In 17. A. from B. with C. in D. on 18. A. dictation B. spoken C. written D. spelling
Làm giùm mình nha mọi người. Thanks
Cho ΔABC vuông tại A, phân giác BD. Kẻ DE vuông góc BC (E thuộc BC). Trên tia đối của tia AB lấy điểm F sao cho AF = CE. Chứng minh: a) BD là đường trung trực của AE b) AD < CD c) 3 điểm E,D,F thẳng hàng.
: Hai mảnh đất có tổng diện tích là 600 m2. Mảnh đất thứ nhất có diện tích gấp đôi diện tích mảnh đất thứ hai. Tính diện tích của mỗi mảnh đất
1. A. gentlemen B. gerund C. gear D. giant 2. A. opposite B. site C. sit D. sister 3. A. interest B. hearing C. recent D. polite 4. A. punished B. received C. wondered D. cleaned Choose the word or phrase (A, B, C or D) that best fits the blank space in each sentence (2.5 pts) 1. People like wearing jeans because the material doesn’t ___________ easily. A. wear in B. wear on C. wear out D. wear away 2. Famous designers started making their own __________of jeans, with their own labels on them. A. makes B. marks C. styles D. types 3. _____________Buddhism , there are other religions in Vietnam . A. Besides B. in addition to C. Moreover D. And 4. In most factories workers have to wear uniform ______ work. A. at B. on C. for D. before 5. Did you use to do a ___________ when you were at the university? A. full-time B. full-time job C. part-time D. part-time job 6. My Tho Town is the north of her village. A. on B. at C. to D. with 7. As an exchange student, my brother has to live in _____ when going on studying at a university. A. a council B. an academy C. a campus D. a dormitory 8. Is there anything I can do for you, sir ? ____________________. A. Yes, you are welcome B. Ok, your time C. Not now. Thanks anyway D. Sure go ahead, please
ai có thể chỉ giúp mình app vẽ tranh 3d trên máy windows7 có được ko ạ? ai mà đang dùng máy windows7 nếu mà biết thì chỉ cho mình với ạ!
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