Ôn thi đại học (Lớp 11) - Đề số 1

Ngày tải lên: 01/06/2015, 02:00

... z  w  zw  Câu VII.a: PT   ( z  w)  2( z  w)  15   3  i 11  3  i 11 w  w   2 (a)    ;   i 11  i 11   z  z       i 27  i 27 w  w    2   5  i 27 ... zw  Câu VII.a: (1 điểm) Giải hệ phương trình sau tập số phức:  2  z  w  1 B Theo chương trình nâng cao: Câu VI.b: (2 điểm) 1) Trong không gian với hệ toạ độ Oxyz, cho điểm A(2;4;–1)...

Ngày tải lên: 29/07/2014, 18:21

Ngày tải lên: 06/08/2014, 06:21

... ĐÁP ÁN ĐỀ THI THỬ ĐẠI HỌC - NĂM: 2010-2 011 CÂU NỘI DUNG ĐIỂM Tập xác định D = R\{- 1} Sự biến thi n: -Chiều biến thi n: y ' = > 0, ∀x ∈ D ( x + 1)2 0,25 Hàm số nghịch biến khoảng ... giả thi t AC = 2a ; BD = 2a AC ,BD vuông góc với trung điểm O · đường chéo.Ta có tam giác ABO vuông O AO = a ; BO = a , AB D = 600 Hay tam giác ABD Từ giả thi t hai mặt phẳng (SAC) (SBD) vuông ... →−1 x...

Ngày tải lên: 25/07/2015, 01:30

... thu đợc cho tác dụng với dung dịch NaOH d, lọc lấy kết tủa tách đem nung không khí đến khối lợng không đổi thu đợc chất rắn nặng 12 gam Trị số m là: A B 10 C 16 D 12 Câu 21 : Cho 9,1 gam hỗn ... đợc m gam muối khan m có giá trị là: A 10,33gam B 1,033gam C 9,265 gam D 92,65 gam Câu 28 : Cho 11, 1 gam hỗn hợp muối sunfit trung hoà kim loại kiềm chu kì liên tiếp tan hoàn toàn dung dịch HCl

Ngày tải lên: 01/07/2013, 01:26

... KL( Trừ Au, Pt) Sản phẩm khử HNO3 là: - NO2↑: Màu vàng nâu - NO↑: Khí không màu (dễ hoá nâu không khí, do: NO + ½ O2= NO2) - N2O↑, N2↑ : Đều khí không màu - NH4NO3 (NH4NO3+NaOH=NH3↑+H2O+NaNO3) ... dung dòch thu gam rắn? D.Giá trò khác A 19, 04 B. 19, 15 C 19, 25 D m Muối = + mKLpứ m Gốc axit m Muối 〉 mKLpứ m Muối 〉 19, 6 gam ù Ví dụ 11: Hòa tan hết 19, 6 gam hhA: Ag, Cu, Fe...

Ngày tải lên: 03/01/2014, 14:20

... blessings of liberty to ourselves and our posterity, ordain and establish this Constitution for the United States of America.” Commit this to memory, friends; learn it by heart as well as by head, and ... women D addresses its audience in the second person III Chọn từ/ cụm từ thích hợp số gợi ý A,B,C, D để điền vào số khoảng trống câu văn sau 22 _ the double, she took the victim to the ho...

Ngày tải lên: 05/07/2014, 10:32

... sick vegetarian And a whole-food diet just consists of eating the whole of food, with nothing added, and nothing taken away For example, you eat whole-wheat flour, not white flour, which has had ... teacher C She dislikes ready bought meal D She is a vegetarian 21 The writer of this article feels a ‘certain sympathy’ for this group because _ A She is a vegetarian B They don’t know much about...

Ngày tải lên: 05/07/2014, 10:32

... he had not done anything improper A The Minister denied doing anything improper B The Minister denied that he would anything improper C The Minister refused to have done anything improper D The ... alongside the image, guaranteeing synchronization Short feature films were produced in this way as early as 1922 This system eventually brought us “talking picture” Câu 76: The word “screenings” is...

Ngày tải lên: 05/07/2014, 10:32

... teach a (71 great) many things of value to the future accountant, doctor or electrician Do they also teach anything of value to the future employee? Yes, they teach the one thing that it is perhaps ... of heart diseases One egg yolk, in fact, contains a little more than two-thirds of the suggested daily cholesterol limit This knowledge has caused egg sales to plummet in recent years, which in...

Ngày tải lên: 05/07/2014, 10:32

... (35) _, scientists found out about germs, and then everything changed The (36) _ of many diseases was found, and cures were developed As this medical discovery spread, the world became (37) ... letter A, B, C, or D to indicate the correct word for each of the blanks from 31 to 40 Health is something we tend to (31) _ when we have it When our body is doing well, we are hardly (32) _ of it ......

Ngày tải lên: 05/07/2014, 10:32

... The number of tourists _ this year as a result of the good weather A doubled B doubles C have doubled D has doubled Question 38 I wish Janet to the meeting this afternoon A could come ... movies if we have enough time C Nothing is more pleasant than going to the theater D When we don’t want to read, we may go to the theater Question 65 “In town everything seems to be made for the ... comfort...

Ngày tải lên: 05/07/2014, 10:32

... suggest / take / plane this evening / or / go / train tomorrow A She suggested taking the plane this evening or going by train tomorrow B She suggested that we should take the plane this evening or ... local stations could develop programming about things students are (42) _ actually studying in school Already there are several towns (43) where this is beginning to happen Blacksburg, Virginia...

Ngày tải lên: 05/07/2014, 10:33

... upbringing can give it the ability to outstandingly well Some think that it is impossible to develop genius and say that it is simply something a person is born with Others, however, argue that the ... Although the definition of a family may not change, (38) relationship of people to each other within the family group changes as society changes More and more wives are (39) paying jobs, and, ....

Ngày tải lên: 05/07/2014, 10:33

... good home makes this possible - for example, by providing the opportunity for the child to play with a clockwork car or toy railway train up to any age if he still needs to so This principle, ... to hurry the child beyond his natural learning rate, but this can set up dangerous feelings of failure and states of anxiety in the child This might happen at any stage A baby might be forced to ......

Ngày tải lên: 05/07/2014, 10:33