Em hiểu thế nào là phong trào Cần Vương ? Phong trào Cần Vương có y nghĩa gì?

Cho pt: x^2-2(m+3)x+m^2+3=0(1). Tìm m để pt (1) có 2 nghiệm phân biệt.

Xác định số nguyên n để ( n+2):( n-1) là một số nguyên

Hoa tự phụ phấn cần những điều kiện nào?

Ứng dụng của quá trình nuôi cấy vi sinh vật?

"Tức cảnh Pác Bó" và Ngắm trăng"đều thể hiện tinh thần vượt qua hoàn cảnh khó khăn của Bác. Từ tinh thần ấy của Người, hãy viết một đoạn văn ngắn (khoảng 10-12 câu) nói về tinh thần vượt qua khó khăn của bản thân em hoặc một tấm gương mà em được biết trong đó có sử dụng ít nhất một câu cầu khiến và một câu cảm thán. Giúp mình với.Cảm ơn

Cừu Đôly mang đặc điểm giống với động vật cho trứng hay động vật cho nhân tuyến vú?

Tìm tử nhỏ hơn mẫu của nó là 1\8 nếu ta thêm vào tử 17 đơn vị và vào mẫu 2 đơn vị thì đc 1 phân số mới bằng số ngịch đảo của số ban đầu

Bạn Lan cân nặng 32kg, bạn Anh kém bạn Lan 2kg. Hỏi Lan và mỗi bạn có trọng lượng là bao nhiêu.

III. Grammar & Structure Chọn đáp án thích hợp nhất để điền vào chỗ trống. 22. Liz thought the colorful little fish … the most beautiful. a. is b. are c. was d. were 23. Liz … noodles because she remembered the beautiful fish in the aquarium. a. eats b. ate c. has d. gets 24. He said he … his trip to the zoo very much. a. enjoy b. enjoys c. enjoyed d. is enjoying 25. Our last two lessons … very long. a. were b. was c. are d. being 26. Last summer he … to Italy. He was in Italy last summer. a. goes b. went c. going d. were going 27. What about … dinner with me? a. come b. to come c. to come to d. coming to 28. I … your brother at the meeting yesterday a. meet b. meeting c. met d. am meeting 29. How big is Ho Chi Minh city? - It’s much … than Da Lat. a. big b. more big c. biggest d. bigger 30. Mike is the … member of the volleyball team. a. younger b. more younger c. youngest d. most youngest 31. He can’t drive and … his brother. a. neither can b. so can c. so can’t d. either can 32. Liz liked … the dolphin and the color of the cap. a. either b. neither c. both d. none 33. Liz liked the cap. She … it all day. a. wears b. wearing c. wore d. put on 34. It … my birthday yesterday. I … twenty! a. is / am b. was / am c. was / was d. is / was 35. … you enjoy your birthday, then? a. Did b. Do c. Are d. Will 36. Oh, it was excellent! When … your birthday? a. is b. are c. was d. will 37. My family … the country and moved to the city last year. a. got b. walked c. left d. ran 38. My father never drinks beer. He … like it. a. didn’t b. don’t c. doesn’t d. can’t 39. How did you get to work yesterday? – I … . a. walk b. am walking c. go by walking d. walked 40. I … my camera, so I couldn’t take any photographs. a. forgot b. left c. got d. put 41. When I was a child, I always … a bike to school. a. drove b. rode c. ran d. took 42. How often … you wash your hair? - … you wash it yesterday? a. do / Do b. did/Did c. do/Did d. did/Do 43. … are you? About one meter sixty. a. How b. How tall c. How old d. How big 44. John usually watches TV in the evening but yesterday evening he … . a. doesn’t b. not watch c. isn’t d. didn’t 45. The children … tired today because they to a party last night. a. are / went b. are / go c. were / went d. was / went 46. Liz and I are the same age. a. Liz is older than me b. I am older than Liz. c. Liz is as old as me. d. I am not as old as Liz. 47. The weather is beautiful today. It was terrible yesterday. a. Today it isn't as beautiful as yesterday. b. Today it is more beautiful than yesterday. c. Today it is worse than yesterday. d. Today it is as terrible as yesterday. 48. They listen to the music with great interest. a. They enjoy the music. b. They hate the music c. They dislike the music. d. They don’t like the music. 49. They can’t do the exercise. They can’t understand it. a. The exercise is very long. b. The exercise isn’t hard enough. c. The exercise is difficult. d. They are lazy. 50. He works at a school in Ha Noi. He teaches English. a. He is a worker in Ha Noi. b. He has a school in Ha Noi. c. He is an Englishman. d. He is a teacher in Ha Noi.