... z 2 - 2ax - 2by - 2cz + d = 0 (S) đi qua A, B, C, D ⇔ 18 - 6a - 6b + d = 0 và 18 - 6a - 6c + d = 0 và 18 - 6b - 6c + d = 0 và 27 - 6a - 6b - 6c + d = 0 ⇔ 3 3 3 a ;b ;c ;d 0 2 2 2 = = = = . Vậy ... của d và mp(ABC) ⇒ H (2; 2; 2). Câu IV (2 điểm) 1. Đặt dx u ln x du x = ⇒ = , 3 dx dv x = chọn v = 2 1 2x − 2 2 1 2 3 1 1 1 I ln x dx 2x 2x = − + ∫ = 1 3 ln 2 8 16 − + 2. Đặt x = tgu, y ... 2 a.a.a 2 a 2 2 = = (đvtt) Gọi N là trung điểm BB / A / B / C / B C M N K H Ta có : d( B’C, AM) = d( B’, (AMN)) = d( B, (AMN)) (vì N là trung điểm BB’) = BH với H là hình chiếu của B lên mp (AMN) Ta...
Ngày tải lên: 25/12/2013, 16:15
Ngày tải lên: 30/07/2014, 09:21
ĐỀ THI THỬ CAO ĐẲNG - ĐAI HỌC 2011 : TRƯỜNG THPT CHUYÊN VĨNH PHÚC MÔN TOÁN KHỐI D pps
Ngày tải lên: 30/07/2014, 09:21
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 1 ppt
... ago. A. disagreed B. disputed C. objected D. contradicted 13. We discussed it for a while and then we ______ an agreement. A. had B. drew C. reached D. approach 14. I think you should try to ... GIÁO D C VÀ ĐÀO TẠO ĐỀ THI TUYỂN SINH ĐẠI HỌC 2011 Môn Thi: ANH VĂN – Khối D ĐỀ THI THAM KHẢO Thời gian: 90 phút, không kể thời gian giao đề 1. Nobody died in the accident, but 20 people ... decision. A. disagreed B . disputed C. objected D. contradicted - To disagree with someone on / about something: to (say that you) have a different opinion from someone else - to have a disagreement...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 3 pdf
... 57. B 18. D 58. A 19. D 59. C 20. D 60. D 21. C 61. D 22. B 62. A 23. C 63. D 24. D 64. B 25. D 65. B 26. B 66. D 27. B 67. A 28. D 68. B 29. D 69. D 30. D 70. D 31. A 71. D 32. C ... name in French D. is a landlocked city 62. The word denim was most probably derived from ……. A. 2 French words B. 2 Italian words C. 1 French word and 1 Italian word D. 3 French words 63. All ... he had, they wouldnt have died. A. neednt have watered B. cant have watered C. shouldnt water D. couldnt water 28. What a fool I am! I wish I ……………. the choice. A. didnt make B. wouldnt...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 4 pot
... attacking B. were attacked C. had attacked D. had attack 40. Hed rather ___________ a hot beverage during a meal A. I not have B. I did not have C. I do not have D. I had not 41. ___________I ... pull D. lunar 2. A. bought B. sought C. drought D. fought 3. A. tells B. talks C. stays D. steals 4. A. thunder B. prefer C. grocer D. louder 5. A. killed B. cured C. crashed D. waived Chọn ... A. He said to me that if he had had my pen, he could have written the answers. B. He said that if he had had his pen, he could have written the answers. C. He told me that if he had had my pen,...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 5 potx
... loaded B. crowded C. carried D. packed 7. The car always breaks down because of its old …………. A. motor B. machine C. engine D. machinery 8. The information is strictly …… and should not be discussed ... Generated by Foxit PDF Creator © Foxit Software http://www.foxitsoftware.com For evaluation only. BỘ GIÁO D C VÀ ĐÀO TẠO ĐỀ THI TUYỂN SINH ĐẠI HỌC 2011 Môn Thi: ANH VĂN – Khối D ĐỀ THI THAM KHẢO ... A. had played B. have played C. would play D. was playing 18. I didnt know exactly how old he was, but he … about 30 the first time we met. A. should be B. should have been C. must be D. must...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 6 pptx
... becomes inflamed and scaly and their reproductive systems are damaged. Two fatty acids, linoleic and arachidonic acids, prevent these abnormalities and hence are called essential fatty acids. They ... reference. This way of working was never (34)…………… easy or fast. A computer system is much more (35)……. . 26. A. to depend B. depending C. depended D. depend 27. A. that has B. has C. is D. that ... Therefore did 38. A. made use B. took the place C. got the control D. did an action 39. A. convenience B. importance C. necessity D. efficiency 40. A. printed B. issued C. published D. advertised 41....
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 7 pptx
... come. D. He is bound not to come. C©u 74: No matter how hard Fred tried to start the car ,he didn’t succeed. A. It’s hard for Fred to start the car because he never succeeded. B. Fred tried very ... Fred tried very hard to start the car, and succeeded. C. However hard Fred tried ,he couldn’t start the car. D. Fred tried hard to start the car, and with success. C©u 75: “Would you like some ... only. BỘ GIÁO D C VÀ ĐÀO TẠO ĐỀ THI TUYỂN SINH ĐẠI HỌC 2011 Môn Thi: ANH VĂN – Khối D ĐỀ THI THAM KHẢO Thời gian: 90 phút, không kể thời gian giao đề Read the following passage and mark the...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 9 doc
... would pass D. passed Question 10: I decided to go to the library as soon as I……………. A. finish what I did C. finished what I did B. would finish what I did D. finished what I was doing Mã đề ... is needed B. for our needs C. the thing needed D. that is needed Question 29: He said that the plane had already left and that I…………………an hour earlier. A. Must have arrived C. should have ... much to do. B. Despite such a short day, we tend to complain having too much to do. C. Despite a short day, we tend to complain about too much to do. D. Despite such short day, we tend to complain...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 10 potx
... C. For this time only B. After discussing with my wife D. For the second time Question 11: ……… be needed, the water basin would need to be dammed. A. Hydroelectric power should C. Hydroelectric ... the food and drinks they wanted. A. The hostess was reluctant to offer her guests food and drinks. B. The hostess tried hard to please her guests. C. The guests refused the food and drinks ... encouraging or discouraging the speaker. Emotional health is evidenced in the voice by free and melodic sounds of the happy, by constricted and harsh sound of the angry, and by dull and lethargic...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 11 pot
... said that the Second world war broke out in 1939 D. Our teacher said us that the Second world war had broke out in 1939 46 When _? In 1928 A. penicillin was discovered B. did penicillin discovered ... C. regions D. countries 65. The word “proliferated” in line 7 is closest in meaning to which of the following A. prospered B. organized C. disbanded D. expanded Generated by Foxit PDF Creator ... have D. is 35. When it began to rain, they in the yard A. played B. were playing C. have played D. had played 36. He _ on his English study all yesterday evening A. used to work B. had worked...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 12 pdf
... DA CAU DA 1 D 21 A 41 D 61 B 2 A 22 C 42 C 62 A 3 D 23 D 43 D 63 C 4 D 24 B 44 C 64 C 5 B 25 D 45 B 65 D 6 C 26 C 46 B 66 B 7 C 27 B 47 D 67 D 8 B 28 C 48 D 68 A 9 A 29 0 49 A 69 D 10 ... 4 D 24 B 44 D 64 D 5 A 25 D 45 B 65 A 6 D 26 B 46 B 66 B 7 B 27 A 47 C 67 B 8 C 28 A 48 A 68 A 9 D 29 A 49 D 69 B 10 D 30 D 50 A 70 B 11 C 31 C 51 C 71 C 12 D 32 C 52 B 72 B 13 D 33 D ... me this time B. You&apos ;d better give me one hand. C. I don't think I'll need your help. D. Could you give me a hand? Question 11: UNICEF _______supports and funds for the most disadvantaged...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 13 potx
... would finish what I did D. finished what I was doing Question 23: I have English classes …………day - on Mondays, Wednesdays and Fridays. A. all other B. each other C. every other D. this and the ... C. ideas and feelings D. words chosen Question 64. The word "derived" in line 13 is closest in meaning to……… A. discussed B. prepared C. registered D. obtained Question 65. Why does ... is needed B. for our needs C. the thing needed D. that is needed Question 30: ……………… in the street yesterday was very friendly. A. The mounted police, who I saw C. Who is the mounted police...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 14 docx
... pass D. passed Question 23: All………….is a continuous supply of the basic necessities of life. A. what is needed B. for our needs C. the thing needed D. that is needed Question 24: I decided to ... A. finish what I did C. finished what I did B. would finish what I did D. finished what I was doing Question 25: Deborah is going to take extra lessons to……….what she missed while she was ... second time Question 19: I have English classes …………day - on Mondays, Wednesdays and Fridays. A. all other B. each other C. every other D. this and the other Question 20: ……… be needed, the...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 20 pot
... clock radio. D. Taiwanese white cheap clock radio Question 64: In Suicide, Durkheim studied the reasons _______. A. why do individuals commit suicide B. why individuals commit suicide C. ... The word “deducted” in the passage can be replaced by _______ A. taken away B. protected C. subtracted D. escaped Question 40: The seven-month period described in this passage includes _______. ... managed B. succeeded C. enabled D. achieved Question 13: He always did well at school _______ having his early education disrupted by illness. A. on account of B. in spite of C. in addition to D. ...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 21 pot
... need to have good health and good nourishment B. you need intelligence and you need to develop it C. you should try to move quickly and efficiently D. you must nourish your brain and train ... it. A. directory B. direction C. director D. directing 18: She was finding it difficult to stay during the meeting. A. wakening B. wakened C. waking D. awake 19: He carried a(n) driving ... mind D. brain 22: Instead of doing their own painting and papering, they hired a firm of decorators. A. inside B. inward C. internal D. interior 23: -“More coffee? Anybody?” - “ “ A. I don’t...
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 22 potx
Ngày tải lên: 22/06/2014, 10:20
Đề thi thử tuyển sinh đại học 2011 môn Anh văn khối D-Đề 23 pptx
Ngày tải lên: 22/06/2014, 10:20