Bài giảng Đề thi TN THPT Anh 12 - 2010(Có đáp án)
... established D. had established Question 21 : Many young people want to work for a humanitarian organization_______? A. doesn’t it B. didn’t they C. don’t they D. does it Question 22 : Some fish can survive only ... mistakes in his essay that he _______ do it all again. A. needs B. ought C. used to D. has to Question 12: Unless we can find new sources of energy, our life will certainly_____...
Ngày tải lên: 29/11/2013, 11:11
Bài giảng Đề thi TN THPT Anh 12 - 2010(Có đáp án)
... established D. had established Question 21 : Many young people want to work for a humanitarian organization_______? A. doesn’t it B. didn’t they C. don’t they D. does it Question 22 : Some fish can survive only ... mistakes in his essay that he _______ do it all again. A. needs B. ought C. used to D. has to Question 12: Unless we can find new sources of energy, our life will certainly_____...
Ngày tải lên: 02/12/2013, 08:11
Tài liệu De KT Giai Tich 12 Chuong III (ppct 56)
... u = 2. Vậy I = 2 2 3 1 1 2 2 (2 2 1) 3 9 9 du u u= = − ∫ 0,5 1,0 c.Đặt 2 1 2 ln 2 du dx u x x dv xdx x v = = + → = = Vậy I = 2 2 2 1 1 1 1 1 1 (2 ln ) . (2 ln ) 2 2 2 2 e ... + = ↔ = = Diện tích S= 6 6 6 3 2 2 2 0 0 0 ( 6 ) ( 6 ) ( 3 ) 36 3 x x x dx x x dx x− + = − + = − + = ∫ ∫ (đvdt). 0,5 1,5 b.Thể tích V = 2 2 2 2 0 0 0 1 sin (1 2...
Ngày tải lên: 03/12/2013, 00:11