Trên quãng đường nhất định , một chất điểm chuyển động nhanh dần đều ko vận tốc đầu với gia tốc a mất thời gian T . Tính thời gian hất điểm chuyển động trên quãng đường này nếu chuyển động của chất điểm là luân phiên giẵ chuyển động với gia tốc a trong thời gian T1=T/10 và chuyển động đều theo thời gian T2=T/20

Tìm hiểu về nhân vật Kiều phương tài năng

11. Drinking this water is not safe. à It’s not ________________________________________________________________________ . 12. Swimming across this river is dangerous. à It is___________________________________________________________________________ . 13. To do this exercise is not easy. à It’s ___________________________________________________________________________ . 14. It is difficult to open the window. à To open____________________________________________________________________ à The window _______________________________________________ 15. They are going to see a movie. à They will__________________________________ à They intend___________________________________ 16. I ought to go and visit Grandma after work. à I have______________________________________________ à I must_____________________________________________

IV. Rewrite: 1. He wasn’t very experienced . He couldn’t do the job . à He wasn’t_________________________________ . 2. The worker is very clever . He can make fine things from wood. à The worker ________________________________________ . 3. You are not old . You can’t have a front – door key. à You ___________________________________________ 4. Hoang was very foolish . He told lies to the police . à Hoang was_____________________________________. 5. She is very tall . She can play basketball. à She_______________________________________________________ . 6. He can’t play volleyball because he isn’t tall. à He_______________________________________________________ . 7. I couldn’t drive a car because I was young. à I wasn’t______________________________________________ . 8. Peter couldn’t touch the ceiling because he was very short. à Peter was not ___________________________________________ . 9. They intend to ski this Sunday. à They are________________________________________________________ 10. To see from here is difficult. à It’s_____________________________________

Helpppppppppppp nha:'((( Mik hứa sẽ vote giúp mik nhanh nhá tối mik nộp ùi hiuhiu:'((

Đọc bài thơ sau và thực hiện các yêu cầu bên dưới: " Quả cầu nho nhỏ miếng trầu hôi Này của Xuân Hương mới quyệt rồi Có phải duyên nhau thì thắm lại Đừng xanh như lá bạc như vôi." 1) Bài thơ trên đc viết theo thể thơ nào? 2) Chỉ ra thành ngữ đc sử dụng trong bài thơ? 3) Nêu hiệu quả biểu đạt của việc tác giả tự xưng tên mình trong câu thơ "Này xuân hương đã quyệt rồi". 4) Nêu suy nghĩ của anh/ chị về khát vọng của người phụ nữ đc thể hiện trong bài thơ?

Ai giúp mình với ạ bài 4 5 mình đang cần gấp

41. This led _______ the invention of the telephone. ( about, at, to, in) 42. Alexander Graham Bell was born _______ March 3, 1847 ( at, on, in, since) 43. He worked with deaf-mutes _______ Boston University. ( at , in , with , on) 44. He'll come _______ to pick you_______ ( on/ in , over/ on , in/ up , over/ up ) 45. Mrs. Lien said you could reach her _______ 8 603 423. ( at, on, in, for) 46. English is spoken all ________ the world. (in, on, about , over) 47. The lighting fixture is ________ the dinner table . ( on, above, under, beneath) 48. He had to stay home ______ he was ill. ( because - so - and – until ) IV. Rewrite:

Vote 5* và ctlhn !!!!!!!!!!!!!!!!!!!!!!!!!

31. My mother often spends her free time ____volunteer work at a local orphanage. (to do /work/doing/to work) 32. It’s easy to find my school . It’s _____ the Central Bank. (opposite, under, next, beneath) 33. They put the _____ on the floor, between the armchair and the couch. ( picture , shelf, cushion, rug) 34. Tuan is only seven, but he can eat two _______of rice every meal. (sinks, steamers, saucepans, bowls) 35. You use a ________to cook rice. (sauce pan, rice cooker, frying pan , steamer) 36. You can find the ___________on the couch. ((cushion, bookshelf, sink, TV) 37. There are some______________in the kitchen. 9(bookshelves, cupboards, couches, armchairs) 38. Young children don’t understand that some_________objects are dangerous. (home, house, household, homework) 39. Let’s paint the house __________ .It will be cheaper.(herself – himself – ourselves – themselves) 40. He finally came up ________ the decision to go abroad. (with, for , to, in )