1. Cho hàm số y = [x^2 - 3mx +2m-1] / [x-3] (m là tham số). Nếu phương trình y'= 0 có hai nghiệm phân biệt thì a. m <8/7 b. m >7/8 c. m >8/7 d. m <7/8 2. Điện lượng truyền trong dây dẫn có phương trình Q=3t^2 +2t-1. Tính cường độ dòng điện tức thời tại thời điểm t0= 3 (giây) ?

Một văn bản có 300 trang em muốn in các trang lẻ từ 45 trang 130 thì cần thực hiện thao tác như thế nào

Question 1: The reporter/ wanted/ know/ why/ I/ not/ taken/ a picture/ when/ I/ had seen. the UFO. A. The reporter wanted know why I hadn’t taken a picture when I had seen the UFO. B. The reporter wanted know why I didn’t taken a picture when I had seen the UFO. C. The reporter wanted to know why I hadn’t taken a picture when I had seen the UFO. D. The reporter wanted to know why I didn’t taken a picture when I had seen the UFO. Question 2: Do/ you/ think/ astronauts/ feel/ great sense/ loneliness/ when/ travel/ alone/ space? A. Do you think astronauts feel great sense of loneliness when traveling alone in space? B. Do you think astronauts feel great sense of loneliness when travel alone in space? C. Do you think astronauts feel a great sense of loneliness when travel alone in space? D. Do you think astronauts feel a great sense of loneliness when traveling alone in space? Hiển thị đáp án Question 3: About 95%/ the atmosphere/ on Mars/ be/ carbon dioxide, which/ be/ poisonous/ breath A. About 95% of the atmosphere on Mars is carbon dioxide, which is poisonous to breath. B. About 95% on the atmosphere on Mars is carbon dioxide, which is poisonous breath. C. About 95% on the atmosphere on Mars is carbon dioxide, which is poisonous to breath. D. About 95% of the atmosphere on Mars is carbon dioxide, which is poisonous breath. Question 4:In the film, John Harrison/ be/ space terrorist/ who/ want/ destroy/ the Earth. A. In the film, John Harrison is a space terrorist who wants destroy the Earth. B. In the film, John Harrison is space terrorist who wants to destroy the Earth. C. In the film, John Harrison is a space terrorist who wants to destroy the Earth. D. In the film, John Harrison is space terrorist who wants destroy the Earth. Hiển thị đáp án Question 5:The/ biggest problem/ for/ humans/ live/ other planets/ be/ lack/ atmosphere and water. A. The biggest problem for humans to live in other planets is lack of atmosphere and water. B. The biggest problem for humans living on other planets is lack of atmosphere and water. C. The biggest problem for humans to living in other planets is lack of atmosphere and water. D. The biggest problem for humans to live on other planets is lack of atmosphere and water.

a. We enjoy living (1) a peaceful neighbourhood which is free (2) noise and crime. b. I saw some red shoes (3) the window. Can I try them (4) ? c. Cathy has decided to go to Spain (5) a holiday. d. This wine is made (6) organically grown grapes. e. Unfortunately, Ann's car broke (7) while she was driving (8) the motorway. f. 'Bullet train' is a type (9) high-speed train that first came (10) Japan. g. The light bulb was invented (11) Thomas Edison (12) 1879. h. He was (13) of breath when he reached the top of the stairs. i. How about taking the train instead (14) the bus? It’s faster. j. Videophones are not practical (15) present, but they may be (16) the near future. k. After dinner we went (17) a walk (18) the river bank. l. I met Kate (19) the way to the station and she took me (20) her car.

Trình Bày chế độ nấu và chế độ ủ cơm của nồi cơm điện

Viết một đoạn văn( Khoảng 10 câu) nói về bảo vệ môi trường biển( Nghị luận)

bài 4 b,c và vẽ hình bài 5 thôi nhé ! Vote 5*

help me : vt 1 toppic nói chủ đề (ở dưới) nói về tác động của du lịch đối với môi trường cần gấp ạ , mai hạn cuối nộp ạ mong mng giúp mk nhanh nhất có thể , thankyou

Giúp em với ạ em cảm ơn mọi người nhìu

Giúp mình với mình cho 5 sao và một vote