đáp án đại học khối d 2012 môn toán

Ngày tải lên: 22/06/2014, 15:20

Ngày tải lên: 22/06/2014, 15:20

... ĐỀ THI THỬ ĐẠI HỌC, CAO ĐẲNG NĂM 2009 Môn thi toán, khối D (lần 1) Thời gian làm bài 180 phút( không kể thời gian phát đề) A. PHẦN ... đường thẳng: (d 1 ): 7 17 0x y− + = , (d 2 ): 5 0x y+ − = . Viết phương trình đường thẳng (d) qua điểm M(0;1) tạo với (d 1 ), (d 2 ) một tam giác cân tại giao điểm của (d 1 ), (d 2 ). 2) Trong ... thẳng d 1 , d 2 chéo nhau và tính khoảng cách giữa chúng. 2) Viết PT đường thẳng (d) qua M vuông góc (d 1 ) và cắt (d 2 ). Ta lại có: 1 1 1 1 1 1 ( ,( )). . 3 3 ABA M ABA MBA V d M ABA S d S=...

Ngày tải lên: 20/08/2013, 05:10

Ngày tải lên: 05/09/2013, 08:10

... human and damage to agriculture, the Bespectacled Bear is killed. Question 74: When he asked which one I wanted, I said I didn’t mind. A. He wanted me to choose for him and I agreed to do so. ... hard in the sunshine. A. empty B. vacant C. bare D. naked Question 24: She brought three children up __________. A. single-handedly B. single-minded C. single-mindedly D. single-handed Question ... about death and dying are additional themes I found. C. The general theme of death and dying is what I found interesting in The Last Leaf by O. Henry besides the other two things. D. The...

Ngày tải lên: 13/03/2014, 10:23

... America. A. A land bridge existed B. A land bridge C. When a land bridge existed D. With a land bridge Question 79: Only for a short period of time __________ run at top speed. A. that a cheetah ... attendees were registered for the Tenth World Esperanto Congress scheduled for 1914, when World War I erupted and forced its cancellation. Esperanto has had its ups and downs in the period since ... asked which one I wanted, I said I didn’t mind. A. I would have done the choosing if they had asked me to. B. It was up to me to choose between them, but I really didn’t want to. C. He wanted...

Ngày tải lên: 13/03/2014, 10:23

... Question 4: She decided to remain celibate and devote her life to helping the homeless and orphans. A. divorced B. single C. separated D. married Question 5: During the five-decade history the ... single-handed B. single-mindedly C. single-minded D. single-handedly Question 59: -“I’m going out now.” - “__________ you happen to pass a chemist’s, would you get me some aspirins?” A. Had B. Did ... the Tenth World Esperanto Congress scheduled for 1914, when World War I erupted and forced its cancellation. Esperanto has had its ups and downs in the period since World War I. Today, years after...

Ngày tải lên: 13/03/2014, 10:23

... have been advancing in all aspects. A. holding at B. holding to C. holding by D. holding back Question 55: She decided to remain celibate and devote her life to helping the homeless and orphans. ... Tsunamis are caused when the sea bottom suddenly moves, during an underwater earthquake or volcano for example, and the water above the moving earth is suddenly displaced. This sudden shift of ... more than his freedom to explore his potential. Question 5: When he asked which one I wanted, I said I didn’t mind. A. He said I could choose between them, but I said it didn’t matter to me....

Ngày tải lên: 13/03/2014, 10:23

... steamboats and the railroads have reduced transportation cost and had effects in conditions of workers. B. The appearance of the steamboats and railroads have reduced transportation cost and had effects ... international timekeepers in Paris were added an extra second to the day . A. on B. second C. were added D. the day Question 80: In 1863 and 1864, the U.S. Congress passed the National Banks Acts , which ... conditions of workers. C. The appearance of steamboats and railroads had reduced transportation cost and had effects on conditions of workers. D. The appearance of steamboats and railroads...

Ngày tải lên: 13/03/2014, 10:23

... steamboats and railroads reduced transportation cost and had effects on the conditions of workers. C. The appearance of the steamboats and railroads have reduced transportation cost and had effects ... and railroads/ reduce/ transportation cost/ and have effects/ conditions/ workers. A. Appearance of the steamboats and the railroads have reduced transportation cost and had effects in conditions ... patterns D. guides Question 36: A. invented B. discovered C. made up D. taken in Question 37: A. actions B. conclusions C. effects D. meanings Question 38: A. handed out B. got across C. filled...

Ngày tải lên: 13/03/2014, 10:23

... and railroads had reduced transportation cost and had effects on conditions of workers. B. The appearance of steamboats and railroads reduced transportation cost and had effects on the conditions ... in Paris were added an extra second to the day. A. the day B. second C. on D. were added Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the answer ... steamboats and railroads have reduced transportation cost and had effects on conditions of workers. D. Appearance of the steamboats and the railroads have reduced transportation cost and had effects...

Ngày tải lên: 13/03/2014, 10:23

... timekeepers in Paris were added an extra second to the day . A. the day B. second C. on D. were added Question 30: One another surprising method of forest conservation is controlled cutting of trees. ... speed limits on public roads. They are designed to keep you safe. You shouldn’t exceed the speed limit __________ you are an experienced race car driver. A. even if B. if C. only if D. provided ... C. guides D. patterns Question 76: A. made up B. discovered C. taken in D. invented Question 77: A. effects B. conclusions C. meanings D. actions Question 78: A. handed out B. filled in C....

Ngày tải lên: 13/03/2014, 10:23

... North and South America. A. When a land bridge existed B. A land bridge C. With a land bridge D. A land bridge existed Question 30: For more than a decade, ___________ that certain species are ... single-handed B. single-mindedly C. single-minded D. single-handedly Question 59: -“I’m going out now.” - “__________ you happen to pass a chemist’s, would you get me some aspirins?” A. Had B. Did ... occurred some 65 million years ago. Question 17: When he asked which one I wanted, I said I didn’t mind. A. He wanted me to choose for him and I agreed to do so. B. He said I could choose...

Ngày tải lên: 13/03/2014, 16:06

... Trang 1/4 - 485 SỞ GD-ĐT TP. ĐÀ NẴNG Tr. THPT PHAN CHÂU TRINH ĐỀ THI THỬ ĐẠI HỌC, CAO ĐẲNG NĂM 2011- LẦN 1 Môn: HÓA HỌC_ Khối A, B Thời gian làm bài: 90 phút, không ...    A. b > c - a +d B. b < c - a + 2 1 d C. b < a + c - 2 1 d D. a > c + d - 2 b Câu 6:  4 ... 2KMnO 4 + 4H 2  2 OH-CHOH-CH 2 OH + 2KOH + 2MnO 2 D.  Thí sinh được sử d ng bảng tuần hoàn các nguyên tố hóa học và máy tính cầm tay Cl CH=CH-CH 2 Cl + NaOH t o Cl CH=CH-CH 2 OH...

Ngày tải lên: 22/06/2014, 14:20

Ngày tải lên: 22/06/2014, 15:20

Ngày tải lên: 12/07/2014, 20:00

Ngày tải lên: 12/07/2014, 21:00

... CD: 4 17 0x y− + = và 17CD = 0.25 Điểm M thuộc ∆ có toạ độ d ng: ( ;3 5)M t t= − Ta tính được: 13 19 11 37 ( , ) ; ( , ) 5 17 t t d M AB d M CD − − = = 0.25 Từ đó: ( , ). ( , ). MAB MCD S ... = 0.5 III 1điểm Đặt 2 x t dx dt π = − ⇒ = − ; 0 ; 0 2 2 x t x t π π = ⇒ = = ⇒ = 2 3 0 sin I (sin cos ) xdx x x π = + ∫ ⇒ 2 2 3 3 0 0 cos cos I (sin cos ) (sin cos ) tdt xdx t t x x π π = = + + ∫ ... 37 ( , ) ; ( , ) 5 17 t t d M AB d M CD − − = = 0.25 Từ đó: ( , ). ( , ). MAB MCD S S d M AB AB d M CD CD= ⇔ = 0.5 IIa) 1điểm (sin 2 sin 4)cos 2 0 2sin 3 x x x x − + − = + (sin 2 sin 4)cos 2...

Ngày tải lên: 20/08/2013, 05:10

... 0.25 VIb.2 1điểm Gọi G là trọng tâm của ABCD ta có: 7 14 ( ; ;0) 3 3 G = 0.25 Ta có: 2 2 2 2 2 2 2 2 2 4MA MB MC MD MG GA GB GC GD+ + + = + + + + ≥ 2 2 2 2 GA GB GC GD+ + + .D u bằng xảy ra khi M ≡ 7 14 ( ... 2 18 ( 1) 4 2 9 9 4 k k k k − = ⇔ = − + thoả mãn 0.5 ĐỀ THI THỬ ĐẠI HỌC, CAO ĐẲNG NĂM 2009 Môn thi toán, khối B (lần 1) Thời gian làm bài 180 phút( không kể thời gian phát đề) A. PHẦN CHUNG CHO ... A(2;4;-1), B(1;4;-1), C(2;4;3), D( 2;2;-1) 1) Xác định tọa độ tâm và bán kính đường tròn ngoại tiếp tam giác BCD. 2) Tìm tọa độ điểm M để MA 2 + MB 2 + MC 2 + MD 2 đạt giá trị nhỏ nhất. ...

Ngày tải lên: 20/08/2013, 05:10

Ngày tải lên: 30/08/2013, 08:12