Đáp án:
Giải thích các bước giải:
Từ đề suy ra được 3xB=2xA
Do A;B là hai điểm trên (d) nên được (1) ;(2)
Công hai vế lại ra được xB
Từ xB tìm được xA
Từ xA tìm được yA
Kết luận
em hãy viết 1 đoạn văn trình bày suy nghĩ về ý nghĩa của tinh thần trách nhiệm trong cuộc sống.trong đoạn văn có sử dụng phép liên kết nối.gạch chân dưới từ ngữ thực hiện phép liên kết ấy
46. He is the most wonderful person I ________. A. have ever met B. had ever met C. ever meet D. am meeting 47. Millions of dollars ________ spent on advertising every year. A. is B. was C. are D. were 48. I haven’t seen him for ages. A. It’s ages since I last saw him. B. It’s ages when I last saw him. C. It’s ages before I last saw him. D. It’s ages after I last saw him. 49. He found a watch in the street, and then he ________ to return it to the loser. A. had tried B. was trying C. tried D. had been trying 50. If he ________ for the revision session, he might have no difficulty doing the test right now. A. had come B. came C. is to come D. had to come 51. I / finish / read / long novel / Arthur Hailey // A. I finished to read a long novel of Arthur Hailey. B. I’ve just finished reading a long novel written by Arthur Hailey. C. I’ve finished reading the long Arthur Hailey’s novel. D. I finished the reading long novel with Arthur Hailey 52. throw / thousands / tons / rubbish / forest / year // A. People throw some thousands tons of rubbish into the forest every year. B. People throw thousands of tons of rubbish into the forest every year. C. Throwing thousands of tons of rubbish is into the forest every year. D. People throwing thousands of tons of rubbishes into the forest every year. 53. The Magic Hat __________ at 12 A. m. every Saturday. A. broadcast B. broadcasts C. is broadcasting D. broadcasted] 54. The whistle signaled the end of the first half. The match will continue after half-time and now AC Milan ___________ Juventus by 2 goals to nil. A. led B. is leading C. has led D. leads 55. _________ any letters from him lately? A. Do you receive B. Have you received C. Are you receiving D. Had you received 56. I _________ a meeting at the office at this time tomorrow, so you can phone me later in the evening. A. have B. have had C. will have had D. will be having 57. The moon __________ around the earth. A. has moved B. moves C. is moving D. will move 58. She said she __________ that film years before. A. saw B. has seen C. had seen D. would see 59. The film will end when you have finished dinner. A. By the time you finish dinner, the film will have ended. B. By the time you have finished dinner, the film will end. C. You finish dinner, and then the film will end. D. By the time you finishing dinner, the film will have ended. 60. A new style of jeans ________ in the USA. A. has just introduced B. were just introduced C. has just been introduced D. have just been introduced 61. She ________ before I came home A. light B. is lighting C. had lit D. lights
Vẽ hộ mình 3 con này với ạ : con chim , con bướm và con hàu ạ . Mình cảm ơn mn <3
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văn tả cảnh...cảnh gì cũng dc dài vào.copy=bc
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