Hỏi - Đáp

Tiếng Anh - Lớp 10

CỨU EM VỚI CÁC THẦY CÔ ƠI

  1. As people get older their bodies begin to run…………...and they have less immunity to disease.
  2. out B. low C. off D. down
  3. They…………...his broken leg in plaster.
  4. set B. fitted C. arranged D. tied
  5. After climbing the stairs to the sixth floor, I was completely out of…………....
  6. air B. breath C. wind D. gasp
  7. The hospital called for volunteer blood…………...after their supplies ran low.
  8. givers B. suppliers C. donors D. contributors
  9. According to a hospital spokesman, hopes were …………... last night that the victim would ever regain consciousness.
  10. decreasing B. increasing C. growing D. fading
  11. After six months of convalescence in a nursing home, Simon is finally on the…………....
  12. go B. top C. mend D. run
  13. Exercising generally begins with standing up straight, …………...slowly and then, letting your breath out evenly.
  14. inhaling B. exhaling C. ingesting D. airing
  15. Try something sharp-smelling under her nose, that might…………...if she’s still unconscious.
  16. bring her about B. bring her to C. get her over D. put her forward
  17. Before the group of doctors would give their opinion they wanted to…………... with each other.
  18. confide B. confess C. confirm D. confer
  19. Peter was from hospital last week.
  20. dismissed B. discharged C. released D. withdrawn
  21. In the stomach, the protein in food is…………...down into simpler substances by the action of acids and enzymes.
  22. broken B. knocked C. melted D. rendered
  23. Doctors advise people who are deficient …………...Vitamin C to eat more fruit and vegetables.
  24. for B. of C. from D. in
  25. If you don’t get your full…………...of sleep, your work will begin to suffer.
  26. extent B. quota C. degree D. ratio
  27. Half an hour after the patient arrived at the hospital, doctors were…………...him.
  28. operating B. operating for C. operating on D. operating to
  29. I still feel weak and tired. It’s taking me longer to get…………...the operation than I thought it would.
  30. over B. by C. up from D. through.
  31. The doctors thought he had got over the worst,but his condition suddenly …………....
  32. disintegrated B. dismantled C. deteriorated D. dissolved
  33. In a five-hour operation, surgeons managed to sew the boy’s…………...hand back on.
  34. severed B. grazed C. crushed D. cut
  35. In the days before the widespread use of…………..., having an operation must have been a gruelling experience.
  36. aesthetes B. anaesthetics C. aesthetics D. anaesthetists
  37. The effects of the anaesthetic…………...after a couple of hours.
  38. wore off B. finished off C. dried up D. wiped out
  39. John needed…………...to remove his appendix.
  40. help B. surgery C. medication D. attention
  41. Although he is not fully…………...yet, he is making a good recovery.
  42. vigorous B. vital C. energetic D. active
  43. My father is suffering from a…………...infection.
  44. respiratory B. respiration C. breathing D. breath
  45. After a series of tests, the doctor was able to make a(n)…………....
  46. opinion B. conclusion C. result D. diagnosis
  47. You are advised not to engage in…………...activity during very hot weather.
  48. stringent B. strained C. strenuous D. stern
  49. He’s…………...his health, and takes dozens of vitamins every day.
  50. enthusiastic about B. fascinated by C. obsessed in D. fanatical about
  51. He still looks…………...after his illness.
  52. discoloured B. fair C. pale D. dull
  53. Too much exercise can be harmful but walking is good…………...you.
  54. for B. by C. to D. with
  55. I was pleased to see how…………...she looked after her recent illness.
  56. right B. well C. pleasant D. nice
  57. It is…………...that we drink eight glasses of water a day.
  58. ordered B. advised C. insisted D. recommended
  59. Dan keeps in…………...by exercising on a regular basis.
  60. form B. condition C. shape D. health

Hóa học - Lớp 11

Hỗn hợp gồm 0 2 mol một hidrocacbon

hỗn hợp X gồm 0,2 mol một hidrocabon mạch hở và 0,35 mol hidro. Cho hỗn hợp X qua Ni nung nóng, sau một thời gian thu được hỗn hợp Y. Tỉ khối của hỗn hợp Y đối với hỗn hợp X là 2,2. Cho hỗn hợp Y qua dung dịch brom dư thấy có 0,3 mol Br2 đã phản ứng và thoát ra 1,792 lít hỗn hợp Z ( ở đtkc)  có tỷ khối so với H2 là 11,5. CTPT của hidrocacbon mạch hở đó

Sinh học - Lớp 10

Sinh học

ở ruồi giấm 1 tế bào mầm sinh dục nguyên phân liên tiếp 1 số lần.Tất cả các tế bào con sau NP đều tham gia GP.Hiệu suất thụ tinh là 12,5% tạo ra 16 hợp tử.Nguyên liệu cung cấp cho toàn bộ quá trình là 504NST đơn.Tính số lần NP của tế bào mầm sinh dục và xác định giới tính?