calli :"cần time skip" digi nhá ,trang trí thêm một vài quả táo vàng

helppppppppppppppppppppppppppppp meeeeeeeeeeeeeeeeeeeeee

Xác định khối lượng dung dịch KOH 7,93% cần lấy để khi hòa tan vào đó 47g K2O thì thu được dung dịch 21% * Chỉ mình về mấy dạng bài này khác như thế nào, mình thấy nó khác so với mấy bài khác, mình cũng chưa biết cách để giải ra, các bạn viết cách làm ra rồi giải giùm mình nhá!

Với hình dạng lãnh thổ kéo dài của nước ta đã A. làm cho tự nhiên từ Bắc vào Nam của nước ta khá đồng nhất. B. tạo điều kiện cho tính chất biển xâm nhập sâu vào đất liền. C. tạo ra sự phân hóa rõ rệt về tự nhiên từ Bắc vào Nam. D. làm cho tự nhiên nước ta có sự phân hóa theo độ cao định hình

Giúp mik phần này hứa hay nhất ạ

Giải và điền vào ô trống và khoanh vào

Ai giúp mình luôn với siu tốc nhé mng iu

Mọi người giúp em hoá 9 này với ạ hứa vote 5 sao ạ.

III. Choose the best option to complete these following sentences. 1. What’s your father’s job? A. His job is a fireman B. He works a fireman C. He does a fireman D. He is a fireman 2. What is Hoa’s apartment like? A. It’s large and clean B. It’s 6 meters long C. It’s on the 3rd floor D. It’s on Tran Nhat Duat Street 3.Where do your parents work? A. They work at the farm B. They work on the farm C. They work in the farm D. They work by the farm 4. How many rooms are there in your house? A. There have 6 rooms B. Yes, there are 6 rooms C. There are 6 rooms D. There aren’t 7 rooms 5. Which is the most beautiful apartment? A. The smallest one B. A smallest one C. The smaller one. D. A small one 6. I live ____ 12 Tran Hung Dao street. A. in B. on C. at D. for 7. What ____awful restaurant! A. an B. the C. a D. 0 8. Would you like _____ sandwiches? A. any B. many C. some D. a 9. Are there _____lamps on the wall? A. any B. a C. some D. an 10. He writes articles for a newspaper. He is ______. A. a journalist B. a teacher C. a musician D. doctor 11. ______an interesting story! I’m reading it the third time now. A. How B. What C. That D. This 12. The opposite of “cheap” is______ A. lovely B. amazing C. expensive D. awful 13. My mother is a nurse. She______care of sick people. A. makes B. has C. brings D. takes 14. Ho Chi Minh is the biggest ______all cities in Vietnam. A. at B. in C. of D. for 15. He works in a hospital. He cares about people’s teeth. He’s a______. A. doctor B. nurse C. chemist D. dentist 16. She looks like you. She ______ your sister. A. must be B. perhaps C. must D. may 17. It is easy ______ this test. A. do B. to do C. does D. doing 18. Nam is in the ______ . He is taking a shower. A. bedroom B. kitchen C. bathroom D. diningroom 19. Hoa sits in the first row, but Lien doesn’t. She sits ______ Hoa. A. behind B. under C. next to D. near 20. The first question is easy, but the rest ______ difficult. A. is B. are C. seems D. be 21. What ______ ! Thanks a lot. A. a nice present B. a present nice C. nice a present D. nice present 22. Jane lives ______ farm with her uncle and aunt. A. in B. on C. at D. from 23. Linda loves ______ to music. A. listens B. listen C. listening D. to listening 24. A doctor ______ care of sick people in the hospital. A. takes B. looks C. makes D. does 25. I think this apartment s nice. It is the ______ suitable for us to live in. A. less B. more C. most D. much 26. Can I sit here ? – Yes, it’s ______ . A. no one B. empty C. yours D. none 27 She studies the best ______ all her classmates. A. in B. of C. on D. for 28. ______interesting the story is! I’m reading it the third time now. A. How B. What C. That D. This 29. The opposite of “cheap” is______ A. lovely B. amazing C. expensive D. awful 30. My mother is a nurse. She ______ care of sick people. A. makes B. has C. brings D. takes 31. Ho Chi Minh is the biggest ______ all cities in Vietnam. A. at B. in C. of D. for 32. He works in a hospital. He cares about people’s teeth. He’s a______. A. doctor B. nurse C. chemist D. dentist 33. She _______ part time for a local supermarket. A. works B. to work C. working D. works 34. –“Would you like ____________ dinner at my house tonight?” –“yes, I’d love to” A. have B. having C. to have D. has 35. There aren’t _______________ lamps on the wall? A. any B. a C. an D. some 36. This dress is ____________ expensive of the four dresses. A. best B. more C. most D. the most 37. Benches are _____________comfortable than armchairs. A. the most B. more C. most D. the more 38. Red is my __________ color. A. favorite B. interesting C. beautiful D. exciting 39. The picture is _________________to the clock . A. next B. under C. at D. near 40. He works on the farm . He is ________________ A. a journalist B. a teacher C. a musician D. a farmer Giúp với mn ơi

biết a ⊥ c và b ⊥ c . Đồng thời 2C4 = 3D1. Tính D1 ( giúp e với ạ )