Dấu bằng thứ 2 biến đổi như nào vậy (dấu bằng đầu tiên là giả thiết nha)

TXĐ của hàm số `y=logx+log(3-x)` là

16. This is Maryam. She is ............ Kuala Lumpur. (in, from, at, on) 17. Maryam and Lan have been pen pals ... over two years. (since, during, for, by) 18. It is several months ............ the Stunami happened. (in, on, at, since) 19. Vietnamese people celebrate the Independence Day ... September 2nd . (on, in, at, for) 20. Lan took her ............ Hoan Kiem lake. (by, with, from, to) 21. They saw famous places ............ Ha Noi. (at, on, in, by) 22. ... Friday she wanted to visit the mosque .... Hang Luoc street. (at, on, over, under) 23. Lanusedtowalkpastthemosque......herwaytoprimaryschool.(on,at,by,for)

89. John, along with twenty friends, (is/are) planning a party. 90. Money as well as workers (is/are) needed. 91. The boy with his dog (is/are) here. 92. We’ve got 2 cars but neither of them (is/are) new 93. A large crowd (was/were) gathering around him 94. The mayor as well as his brothers (is/are) going to prison. 95. Two-fifths of the vineyard (was/were) destroyed by fire. 96. Each and every student and instructor in this building (hope/ hopes) for a new facility by next year. 97. The department members but not the chairman (has / have) decided not to teach on Valentine's Day. 98. Rice and beans, my favorite dish, (reminds/ remind) me of my native Puerto Rico. 99. To an outsider, the economics of this country (seems/ seem) to be in disarray.(sự xáo trộn) 100. Carlos is the only one of those students who (have/has) lived up to the potential described in the yearbook. 101. One of my friends (is/are) extremely good at English. 102. Not only the students but also their instructor (have/has) been called to the principal's office. 103. Most of the milk (has/have) gone bad. Six gallons of milk (are/is) still in the refrigerator. 104. A large number of voters still (votes/vote) along straight-party lines. 105. Four years (are/is) a long time to spend away from your friends and family. 106. Politics (are/is) sometimes a dirty business. v

68. Their news (come/ comes) to us once a year. 69. The students and instructors each (hope / hopes) for a new facility by next year. 70. The police (have /has made) many enquiries about the murder up till now. 71. His knowledge of butterflies (is/are) very wide. 72. One of the girls (go/ goes) to visit that old man once a week. 73. His family (is/are sitting) in the front row. 74. All of the food served in this restaurant yesterday (was/were) excellent. 75. Neither you nor I (are/am) responsible for the result. 76. There (is/are) different ways to do that work. 77. Whatever (happen/ happens), remember to be calm. 78. BOTH Mary and Peter (work/ works) for that company. 79. Either he or his friends (is/are) mistaken. 80. The quality of these recordings (is/are) very good. 81. The pair of scissors (is/are) on the table. 82. There (has/have) been a number of telephone calls today. 83. John or George (bring/ brings) the car now. 84. Neither Carmen nor the boys (have/has) seen the film before. 85. Not studying (cause/ causes) him many problems. 86. Baseball and swimming (is/are) popular summer sports. 87. The fear of rape and robbery (cause/ causes) many people to flee the cities. 88. Why (is/are) there a shortage of certified teachers at the present time?

Cho hình thang vuông ABCD góc A bằng góc D bằng 90 độ. Gọi K là điểm đối xứng với B qua AD, E là giao điểm của CK và AD . Chứng minh góc CED bằng góc AEB GẤP AH. VẼ HÌNH GIÚP MÌNH LUÔN NHA. Lưu ý: CHỈ DÙNG KIẾN THỨC BÀI "ĐỐI XỨNG TRỤC" VÀ CÁC BÀI TRƯỚC ĐÓ

1.we played the piano yesterday 2.she bought a ball for her boy yesterday 3.they studie hard last semeter hãy chuyển 3 câu trên thành thể phủ định hoặc nghi vấn

Một lượng nước đựng trong bình có nhiệt độ ban đầu 25 độ C, sau khi nhận nhiệt lượng 787,5 kJ thì nước sôi. Biết nhiệt dung riêng của nước là 4200J/kg.K.Hãy tính thể tích nước trong bình? (Biết 1 lít nước tương ứng 1kg)

47. The issues which have been considered in the previous section (allow/allows) us to speculate on problems that learners might encounter 48. An early analysis of the results (show/shows) that the Socialists have won. 49. The number of students who knew the answer to the last question on the exam (was/were) very low. 50. The United States of America (consists/consist) of 50 separate states. 51. The view of these disciplines (vary/varies) from time to time. 52. The actress, along with her manager,( is/are) going to the party tonight. 53. It was the speaker, not his ideas, that (has/ have) provoked the students to riot. 54. The country’s first general election since it won independence (is/are) to be held next month 55. Mr. Robinson, accompanied by his wife and children, (is/are) arriving tonight. 56. Neither the boys nor Carmen (have/has) seen the film before. 57. John, bringing his girlfriend to see me, (has/have) just arrived. 58. The majority (believe/believes) that we are in no danger. 59. Neither of the French athletes (have,has) won this year 60. Nobody but Ted and Bill (was/were) eager to help 61. Not John but you (was/were) responsible for the error 62. A lot of the pollution (is/are) caused by the paper factory on the edge of the town 63. The secretary and accountant of the company (have/has ) not come yet. 64. Twenty five dollars (seem, seems) too much to pay for this book. 65. To my opinion, living in happiness for 10 years (is/are) not a long time. 66. Physics (study/ studies) mechanics, heat, light, sound and electricity. 67. His silence (mean/ means) that he agrees with us.

Ai có thủ thuật làm bài đồng nghĩa chỉ cho đi (trừ học hết từ điển nhé