Giúp mình vs ạ mình vote 5* vs hay nhất cho

Giúp với mng ơi, cần gấp ạ Phát biểu nào sau đây về oxide là đúng? A. acidic oxide tác dụng với basic oxide tạo thành muối. B. Oxide tác dụng với nước tạo thành acid hoặc base tương ứng. C. Basic oxide tan được trong dung dich acid tạo thành muối và nước. D. Muối và nước chỉ được tạo thành từ phản ứng giữa basic oxide và dung dịch acid. Phát biêu nào sau đây là đúng? A. Base làm dung dịch phenolphtalein từ không màu chuyển sang màu hồng. B. Base làm giấy quỳ tím hoá xanh. C. Kiềm là dung dich base tan trong nước. D. Base bị nhiệt phân huỷ tạo thành oxide tương ứng và nuớc.

Hoàn thành chuỗi phương trình sau: Cu(OH)2 → Cu(NO3)2 → Cu

tả một người bạn thân bằng tiếng anh

Giúp mk thêm bài này: `x/2` = `y/5` và xy = 10

Lập dàn ý truyện An Dương Vương. Có dẫn chứng(dàn ý ngắn gọn khoảng 2 trang thui ạ) ko chép mạng giúp mik Hứa cho 5 sao + ctlhn

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I. Choose the best answer to complete each of the following sentences. 1. You should eat a lot of fruits and vegetables because they vitamin A, which is good for the eyes. A. run B. take C. provide D. get 2. The health from that diet expert is that you should eat less junk food and count your calories if you are becoming fat. A. advices B. ideas C. tip D. tips 3. The seafood I ate this morning makes me feel all over. A. itchy B. weak C. running D. well 4. If you want to be fit, stay outdoors more and do more activities. A. physics B. physic C. physical D. physically 5. Do more exercise eat more fruit and vegetables. A. and B. so C. but D. although 6. After working in computer for long hours, you should your eyes and relax. A. wake B. rest C. sleep D. sleep in 7. Eat less high-fat foods to keep you from fat. A. gaining B. reducing C. getting D. rising 8. We should follow the advice from doctors and health in order to keep fit. A. managers B. experts C. people D. workers 9. Have a healthy and you can enjoy your life. A. lifeline B. lively C. lives D. lifestyle 10. They go outside even when it’s cold. A. swims B. swiming C. swimming D. swam 11. Rob eats a lot of fast food and he on a lot of weight. A. spends B. brings C. takes D. puts 12. We need to spend less time computer games. A. playing B. to playing C. play D. to play 13. To prevent , you should eat a lot of garlic and keep your body warm. A. cold B. mumps C. flu D. headache 14. Be careful with you eat and drink. A. who B. this C. what D. that 15. Eating a lot of junk food may lead to your . A. pain B. stomachache C. obesity D. fitness 16. In order to have good , you should eat lightly and laugh cheerfully. A. spirit B. body C. health D. mood 17. Do you believe that eating carrots helps you see at night? A. most B. the most C. much more D. less 18. We should try to keep everything around us clean and then flu will find it to spread. A. difficultly B. difficulties C. difficult D. difficulty 19. My father does morning every day. A. running B. well C. exercise D. weak 20. We should play sports or do exercise in order to stay in . A. fit B. health C. look D. shape 21. You can avoid some diseases by yourself clean. A. keeping B. taking C. looking D. bringing 22. The Japanese eat a lot of fish instead of meat they stay more healthy. A. but B. because C. although D. so 23. She looks tired. What’s the ……….. with her? A. matter B. happen C. wrong D. right 24. Minh is absent from class today ……….. he is ill. A. but B. because C. when D. so 25. He is a(n) ______. He doesn't have a habit of eating meat. A. patient B. expert C. vegetarian D. adult 26. She usually eats some sweet cakes before going to sleep, so she may put____ weight if she continues to do that. A. in B. up C. on D. into 27. Watching too much television is not good you or your eyes. A. with B. to C. at D. for 28. When you have flu, you may have a cough and a nose. A. runny B. running C. flowing D. noisy 29. When you have a temperature, you should drink more water and rest . A. most B. more C. most D. less

Giải câu hỏi văn náy giùm em vs

Trong Tam giác ABC trung tuyến AM D thuộc AM , AD=DM BD giao với AC Chứng minh AE= 1/2 EC Mn giải giúp em với Ạ