-2x-3*(x-17)=34-2*(-x+25) tim x

Giúp mình câu 2 ạ rút gọn biểu thức

Câu 8. Để oxi hóa hoàn toàn 7,8 gam kim loại hóa trị I cần dùng 1120 ml khí oxi ở đktc. Xác định KL.

1)there is a faucet in your kitchen (drip) 2)we can protect the environment by air pollution (reduce) 3)i am very because they use electricity to catch fish (worry) 4)i want to see the of environment from the local authority (protect) 5)scientists are looking for an effective way to reduce energy (consume) 6)it was raining so we decided to postpone our camping since 7)she wants them to sing a song she suggests they 8)she couldn't join us because she was busy she was busy so 9)shall we go to the cinema tonight? what about 10)why don't we use energy-saving bulbs? i suggests 11)although she was not beautiful she took part in a beauty contest she wasn't beautiful but 12)work hard and you will pass the exam if you 13)if you don't start working hard now you won't be able to pass the final exam unless 14)we are delighted you passed your english exam we are delighted 15)she was tired and therefore she wanted to go home she wanted to go home because

hãy cho biết ý nghĩa khác nhau giữa làng và xứ

Các cậu xem đề rồi giúp mình với! Cảm ơn các cậu nhiều lắm

Câu 1. Tìm câu rút gọn? Thành phần nào được rút gọn? Hãy khôi phục các thành phần được rút gọn đó? a. Mẹ không lo, nhưng vẫn không ngủ được. Cứ nhắm mắt lại là dường như vang bên tai tiếng đọc bài trầm bổng […] (Cổng trường mở ra) b. - Những ai ngồi đấy? - Ông Lí cựu với ông Chánh hội. (Ngô Tất Tố) c. Ăn quả nhớ kẻ trồng cây. d. Nuôi lợn ăn cơm nằm, nuôi tằm ăn cơm đứng. e. Mong các cháu mai sau lớn lên thành những người dân xứng đáng với nước độc lập tự do. (Bác Hồ) g. Của đáng mười, Nhu chỉ bán được năm. Có khi chẳng lấy được đồng nào là khác nữa. h. Anh cứ hát. Hết sức hát. Gò ngực mà hát. Há miệng to mà hát. (Nguyễn Công Hoan)

Choose the best answer to fill in the blank 1. Please turn ____the lights. The room is so dark with on off 2. My best friend is kind and_____. He often makes me laugh. funny nice shy 3. On Sunday Nam_____his parents in the field as usual. helps help is helping 4. Would you like______on a picnic with my family tomorrow? to go going go 5. Which do you prefer, straight hair or ______ hair? long blonde curly 6. The kids are ______ their tricycles around the playground. playing riding driving 7. My bedroom is big but it doesn’t have much _________. There is just a bed, a table, a chair and a bookcase. things picture furniture 8. It’s better for your neck when you sleep with a _________ that is not too high or too low pillow ceiling fan stool 9. I often reheat my soup in the _________ before eating. cupboard microwave dishwasher 10. Where should we go to buy some clothes, fruits and food? – In _________. a hall a living room a department store

Câu 7. Đốt cháy hoàn toàn 11,2 g một kim loại A( hóa trị III), thu được 16g sản phẩm. Xác định kim loại A.

Mark the letter A, B, C, or D to indicate the word whose underlined part differs from other three in pronunciation in each of the following questions. 1. A. prefer B. better C. teacher D. worker 2. A. bear B. hear C. dear D. near 3. A. collect B. concern C. concert D. combine 4. A. absent B. government C. dependent D. enjoy 5. A. future B. return C. picture D. culture 6. A. bird B. girl C. first D. sister Page 2 | 3 7. A. burn B. sun C. hurt D. turn 8. A. neighbor B. favorite C. culture D. tourist 9. A. traffic B. pavement C. plane D. station 10. A. railway B. mail C. sail D. captain 11. A. nearest B. head C. bread D. health 12. A. came B. lake C. station D. start 13. A. ancient B. radio C. village D. nature 14. A. break B. head C. bread D. heavy 15. A. jam B. narrow C. carry D. danger 16. A. means B. seatbelt C. great D. teacher 17. A. record B. vehicle C. lesson D. zebra 18. A. lane B. stay C. traffic D. wait 19. A. cycle B. bicycle C. fly D. skyscraper 20. A. park B. pavement C. plane D. safety 21. A. loved B. liked C. wished D. gripped 22. A. bored B. amazed C. excited D. enjoyed 23. A. filled B. opened C. played D. wanted 24. A. ended B. shocked C. laughed D. missed 25. A. talked B. needed C. cooked D. booked 26. A. terrified B. entertained C. produced D. engaged 27. A. reversed B. walked C. stopped D. obeyed 28. A. escaped B. liked C. decided D. washed 29. A. moved B. gripped C. remembered D. encouraged 30. A. matched B. dressed C. started D. decreased 31. A. excited B. annoyed C. bored D. terrified 32. A. borrowed B. explained C. tried D. succeeded 33. A. disappointed B. interested C. laughed D. fascinated 34. A. washed B. wanted C. stopped D. looked 35. A. filled B. stayed C. washed D. danced 36. A. picked B. promised C. delivered D. clicked Page 3 | 3 37. A. naked B. talked C. walked D. booked 38. A. confused B. shocked C. bored D. depressed 39. A. terrified B. concerned C. satisfied D. exhausted 40. A. pleased B. interested C. bored D. amused Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of primary stress in each of the following question. 41. A. happen B. enter C. award D. ridden 42. A. culture B. parade C. weather D. cannon 43. A. receive B. finish C. direct D. complete 44. A. visit B. famous C. wonder D. protect 45. A. critic B. event C. machine D. mistake 46. A. carnival B. festival C. holiday D. Halloween 47. A. enjoy B. special C. culture D. worship 48. A. wonderful B. performer C. seasonal D. celebrate 49. A. lantern B. costume C. parade D. stuffing 50. A. creative B. religious C. musician D. romantic