trên nửa mặt phẳng bờ chứa tia Ox, vẽ hai tia Oy và Oz sao cho góc xOy=55 độ và góc xOz=110 độ. Hỏi tia Oy có là tia phân giác của góc xOz không ? Vì sao ?

46. The cattle are herded to a new pasture by the __________. (nomadic) 47. The Tay community practice ______________ religious beliefs including ancestor worship. (tradition) 48. Paul used to be _________ to soft drinks, but now he seldom drinks them. (addiction) 49. Ethnic ____________ make up about 15 percent of Vietnam’s population. (minor) 50. Viet Nam is a _________ country with different peoples, religions and traditions. (cultural) 51. The communal house is usually used for village ____________. (festival) 52. I’m sure you will have an _________ time when you attend Hoa Ban Fesstival. (forget) 53. The _________ houses of many ethnic groups are used to worship the ancestors. (commune) 54. Y Moan was one of the greatest ethnic group _______ of the Ede ethnic group. (art) 55. The yellow colour of five-colored sticky rice ________ Earth. (symbol)

31. The firefighters were praised for their ___________ and devotion to duty. (brave) 32. Agricultural work is ___________ seen as a male occupation. (tradition) 33. It is said that water collected from the local streams is __________ to drink. (safe) 34. Is the ___________ of the stilt house on the side? (enter) 35. Nga eats more __________ than Tung does because she likes fast food. (healthy) 36. Vietnam is one of the most ____________ diverse countries in South East Asia. (ethnic) 37. Most of the Central Highlands is __________. (mountain) 38. The government carried out a programme to ____________ the health service in remote and rural areas. (modern) 39. Like my aunt, I want to become a professional dog __________. (train) 40. The Pa Then believe that the god of fire brings them ___________ and prosperity. (peaceful) 41. I am ________ of her hometown with a lot of paddy fields. (envy) 42. Festivals characterize customs and ____________ of a community. (believe) 43. The population of Vietnam contains a rich ____________ of ethnic groups. (diverse) 44. The Glay practice rice ____________ in submerged fields. (cultivate) 45. Each time I returned I was struck by the ____________ of Sapa and its people. (unique)

Anh chị ơi giải hộ rm với ạ 🙇🏼🙇🏼🙇🏼

lập bảng so sánh tính chất vật lí, hóa học ,ứng dụng và điều chế 4 nguyên tố gồm flo,clo, brom,iot

Hãy giải đoán hàm ý của Kiều qua đoạn trích sau đây trong Truyện Kiều của Nguyễn Du: "Vợ chàng quỷ quái tinh ma, Phen này kẻ cắp bà già gặp nhau. Kiến bò miệng chén bao lâu, Mưu sâu thì trả nghĩa sâu cho vừa". Giúp mình vs ạ. Mình gấp lắm. Mình vote 5*

25. He always does his homework ________________. (careful) 26. I can do all of these exercises ________________. (ease) 27. Her sister plays the violin very ___________________. (beautiful) 28. Paul works very ____________ in his new job. (hard) 29. She looks ______________ because she gets good mark. (happiness) 30. I find it _________________ for me to answer her question. (difficulty)

Hình thang có đáy lớn hơn đáy bé 20,4 dm và bằng 5/2 đáy bé,chiều cao hơn đáy bé 2,1 dm.Tính diện tích hình thang.

12. A(n) ________ is a child who lost his parents.(orphanage) 13. They were very _________ to survive a fire. (luck) 14. Nga often helps poor and homeless people. She is ________ .(generosity) 15. _____________, her sister passed the driving test. (luck) 16. My uncle often spends his free time doing volunteer at a local __________. (orphan) 17. I love the ____________ of the summer evenings in the countryside. (peaceful) 18. My father is loved by his colleagues because of his sense of ________. (humorous) 19. A child whose parents have died is called an _____________. (orphanage) 20. An __________ is a home for children whose parents were dead. (orphan) 21. I find him quite _______________ in class. (reserve) 22. I think learning a language is very ______________. (interest) 23. She gets ____________ when people smoke in the restaurants. (annoy) 24. It was _______________ that she didn’t go to school. (surprise)

Bài 1 : Tính số mol của : a) 1,8NH2 b) 3,6 NNaCl c) 2,5 NN2 d) 0,6.1023C12H12O11 Bài 2 : Tính khối lượng của: a) 5 mol oxi. k) 0.3 mol SO2 b) 6.1 mol Fe. l) 0.75 mol Fe3O4 c) 1.25 mol S d) 1.3 mol SO3 h) 4.5 mol oxi i) 6.8 mol Fe2O3