Sự khác nhau của vật vô sinh và vật hữu sinh? Ai giúp mik vs

|2+3x|=|4x-3| |7x+1|-|5x+6|=0 |3/2x+1/2|=|4x-1| |5/4x-7/2|-|5/8x+3/5|=0 |7/8x+2/3|=|4/3x-1/4|=0 |7/5x+2/3|=|4/3x-1/4|

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41. His car needs ________. A. be fixed B. fixing C. to be fixing D. fixed 42. Her watch needs _______. A. repairing B. to be repaired C. repaired D. A and B 43. My mother is going _____ this house. A. sold B. sell C. to be sold D. to sell 44. There’s somebody behind us. I think we are _______. A. being followed B. are followed C. follow D. following 45. Have you _____ by a dog? A. bite B. bit C. ever been bitten D. ever been bit 46. The room is being _____ at the moment. A. was cleaned B. cleaned C. cleaning D. clean 47. It _____ that the strike will end soon. A. is expected B. expected C. are expected D. was expected 48. It is _____ that many people are homeless after the floods. A. was reported B. reports C. reported D. reporting 49. He was said _____ this building. A. designing B. to have designed C. to design D. designed 50. Ted ______ by a bee while he was sitting in the garden. A. got sting B. got stung C. get stung D. gets stung

31.The boy_____ by the teacher yesterday. A. punish B. punished C. punishing D. was punished 32. “Ms Jones, please type those letters before noon”_ “They’ve already ____, sir. They’re on your desk.” A. typed B. been being typed C. being typed D. been typed 33. Sarah is wearing a blouse. It___________ of cotton. A. be made B. are made C. is made D. made 34. They had a boy _______ that yesterday. A. done B. to do C. did D. do 35. We got our mail ______ yesterday. A. been delivered B. delivered C. delivering D. to deliver 36. James……..the news as soon as possible. A. should tell B. should be told C. should told D. should be telled 37. My wedding ring ______ yellow and white gold. A. is made B. is making C. made D. make 38. Mr. Wilson is _______ as Willie to his friend. A. known B. knew C. is known D. know 39. References _____ in the examination room. A. not are used B. is not used C. didn’t used D. are not used 40. Laura ______ in Boston. A. are born B. were born C. was born D. born 41. His car needs ________.

Bài 5. Cho tam giác ABC có AB = 12cm, góc ABC = 45độ, ACB = 30độ, đường cao AH. Tính AH, AC.

Khảo sát và vẽ đồ thị hàm số: y = x^4/4 - x^2 - 2 Mình cảm ơn ạ.

vẽ anime buồn và cali chữ buồn , tại sao chị không tin tưởng em ?

làm nhanh hộ em câu b với ạ Cho Tam giác ABC vuông tại A đg cao AH .Biết AB=12cm AC =16 cm . Phân giác BD của gócb cắt AH tại D a, tính DH b, phân giác AN của góc a cắt BC tại n Tính DIỆN TÍCH TAM GIÁC AHN

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