cbo biểu thức M = -3/n với n là số nguyên : a) số nguyên n phải có điều kiện gì đề M là phân số b) Tìm phân số M, biết n = 2 ; n = 5 ; n = -4

điểm trung bình môn Lý HK1 4,3 thì điểm thi giữa kì 2 với cuối kì 2 phải được bao nhiêu mới trên 5,0 ạ?

cho tam giác MNP cân tại M. Đường cao MI và NK cắt nhau tại O. Đường tròn (O;OK) cắt MI tại G và E.Biết MN=MP=căn 3. Tính OK

II. Choose the best answer by underline the word 76. Five years is/ is the maximum sentence for that offense. 77. Selma is/ are the scientist who writes the reports. 78. He is/ are one of the men who do the work. 79. The staff is/ are in a press meeting at the moment. 80. The staffs is/ are in disagreement about the findings. 81. The staff members is/ are in disagreement about the findings. 82. English is/ are an extremely important language. 83. A great many people is/ are involved in the use of English. 84. She and I have/has been close friends for a long time. 85. Linh and her friend is/ are going to the library. 86. The lecture and author is/ are coming to the stage. 87. Each boy and girl has/have an English dictionary. 88. Either you or your husband is/ are going to the meeting. 89. A number of workers is/ are on strike. 90. Twenty dollars is/ are too much for that shirt. 91. Ten tons of rubber is/ are exported to Japan. 92. Two years is/ are long enough for them to separate from each other. 93. Sixty percent of waste paper is/ are recycled. 94. Three quarter of the world’s population live/lives in bad living condition. 95. Half of the students in this class come/comes from the country. 96. Less than fifty percent of students is/ are bad at foreign language. 97. Mr. Baker as well as his friends is/ are so kind. 98. None of those people comes/come from Australia 99. Each boy and each girl in my class has/have a textbook. 100. The number of students passing this subject is/ are not high

C1: chứng minh rằng Châu Mĩ là một lãnh thổ rộng lớn C2:trình bày đặc điểm giới hạn địa hình của khu vực Bắc Mỹ

vẽ 2 tranh này hộ mình ik mk cảm ơn nhiều

Viết 1 đoạn văn kể về bộ phim em yêu thích nhất bằng tiếng Anh

II. Choose the best answer by underline the word 50. My aunt or my uncle is/ are arriving by train today. 51. Neither Juan nor Carmen is/ are available. 52. Either Kina or Casey is/ are helping today with stage decorations. 53. Neither she nor I am is/ are going to the festival. 54. The serving bowl or the plates go/goes on that shelf. 55. Neither Jenny nor the others is/ are available. 56. A car and a bike is/ are my means of transportation. 57. The politician, along with the newsmen, is/ are expected shortly. 58. Excitement, as well as nervousness, is/ are the cause of her shaking. 59. Each of the girls sings/sing well. 60. Every one of the cakes is/ are gone. 61. Fifty percent of the pie has/have disappeared. 62. Fifty percent of the pies have/has disappeared. 63. One-third of the city is/ are unemployed. 64. One-third of the people is/ are unemployed. 65. Some of the cakes is/ are missing. 66. None of the garbage was/were picked up. 67. None of the sentences were/was punctuated correctly. 68. Of all her books, none have/has sold as well as the first one. 69. The number of people we need/needs to hire is thirteen. 70. A number of people have/has written in about this subject. 71. Neither of them is/ are available to speak right now. 72. Either of us is/ are capable of doing the job. 73. There is/ are four students in the classroom. 74. There is/ are a lot of milk in the bottle. 75. Ten thousand pounds is/ are a high price to pay for that house.

II. Choose the best answer by underline the word. 26. The majority of the students believe/ believes him to be innocent. 27. The sheep is/ are breaking away. 28. The police come/ comes only to see the dead bodies and a ruin in the bank. 29. A couple is/ are walking on the path. 30. The flock of birds is/ are circling overhead. 31. The herd of castle is/ are breaking away. 32. A school of fish is/ are being attacked by sharks. 33. Twenty-five dollars is/ are too much for the meal. 34. Fifty minutes isn’t/ aren’t enough time to finish this test 35. Twenty dollars is/ are all I can afford to pay for that radio. 36. Two miles is/ are too much to run in one day. 37. He has/ have contributed $50, and now he wants/ want to contribute another fifty. 38. A number of students is/ are going to the class picnic. 39. A number of applicants have/ has already been interviewed. 40. The number of days in a week is/ are seven. 41. The number of residents who have/ has been questioned on this matter is quite small. 42. A pair of pants is/ are in the drawer of the wardrobe. 43. These scissors is/ are dull. So we don’t use them anymore. 44. There has/ have been an increase in the importation of foreign cars. 45. There is/ are a storm approaching to that city. 46. There was/ were an accident in front of my house last night. 47. There was/were much water on the floor. 48. There have/has been a number of telephone calls today. 49. There were/was too many people at the party.

II. Choose the best answer by underline the word. 1. If either of you takes/take a vacation now, we will not be able to finish the work. 2. No problem is/ are harder than this one. 3. Nobody works/work harder than John does. 4. Mary or her manager is/ are going to answer the press interview. 5. Mary and her manager is/ are going to a party tonight. 6. Mary, along with her manager and some friends, is/ are going to a party tonight. 7. Mr. Robbins, accompanied by her wife and children, is/ are arriving tonight. 8. The study of languages is/ are very interesting. 9. Several theories on this subject have/ has been proposed. 10. The view of these disciplines varies/ vary from time to time. 11. The danger of forest fires is/ are not to be taken lightly. 12. The boys in the room is/ are playing chess. 13. Knowing her has/ have made him what he is. 14. Not studying has/ have caused him many problems. 15. Washing with special cream is/ are recommended for scalp infection. 16. Being cordial is/ are one of his greatest assets. 17. Writing many letters makes/ make her happy. 18. Dieting is/ are very popular today, especially for man 19. Diet is/ are for those who suffer from a certain disease. 20. To find the book is/ are necessary for him. 21. The committee has/have met, and it has rejected the proposal. 22. The family was/ were elated by the news. 23. The crowd was/ were wild with excitement. 24. Congress has/ have initiated a new plan to combat inflation. 25. The majority believes that we is/ are in no danger.