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

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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.

Question 1: John doesn't speak English _____________ Peter. A. as well B. as better as C. as well as D. so good as Question 2: The garden looks since _____________ you tidy it up. A. better B. well C. gooder D. as good as Question 3: This one is prettier, but it costs _____________ as that one. A. as much as B. twice as much C. as many D. twice as many Question 4: The house over there is _____________ building in the city. A. the oldest B. the eldest C. older than D. as old as Question 5: Mr David doesn't work here_____________. He left about six months ago A. any more B. any longer C. no longer D. A and B Question 6: I'm sorry I'm late. I got here _________ as I could. A. as fastly B. as fast C. as faster D. so fast Question 7: Your English is improving. It is getting __________ A. good B. well C. better D.good and well Question 8: Ann works __________ than most of her friends. A. harder B. a lot more hardly C. more hardly D. many harder Question 9: You must explain your problems ___________ A. as clear as you can B. as clear as you are C. as clearly as you can D. as clearly as you are Question 10: Nam is __________ student in his class. A. the best B. better C. the good D. best Question 11: John is______________ of the boys. A. taller than B. so tall as C. the tallest D. the most tall Question 12: Jane is not ______________ her brother A. more intelligent as B. so intelligent as C. intelligent as D. so intelligent that Question 13: It is a long journey by train. It is much _______ by road. A. quickly B. more quickly C. quick D. quicker Question 14: Commercial centres are __________ they were many years ago. A. as popular as B. more popular C. most popular D. not as popular as Question 15: The sooner, the ________ A. better B. best C. good D.more good Question 16: It's _______ film I have ever watched. A. best boring B. most boring C. the best boring D. the most boring Question 17: These days, _______people are learning English. A. much and more B. many and many C. more and more D. many and much Question 18: I've never had a ________ meal than that. A. more delicious B. the more delicious C. deliciouser D. most delicious Question 19: This shirt is too small. I need a ________ size. A. large B. larger C. more large D. largest Question 20: Don't walk so_______ . Can't you walk_________? A. fast/slower B. fast/more slowly C. fastly/slower D. fastly/more slowly