Đề thi thử ĐH lần 1 năm 2014 - Trường THPT Đặng Thúc Hứa - Nghệ An môn vật lý

... soundly A B C D Mã đề: 982 A 11 C 21 D 31 A 41 D 51 A 61 B 71 C D 12 C 22 C 32 C 42 A 52.D 62 A 72 A A 13 A 23 A 33 B 43 A 53 C 63 C 73 C C 14 D 24 D 34 A 44 D 54 A 64 B 74 B D 15 A 25 B 35 D ... the given one 71 I started to learn English 10 years ago A I started to learn English when I was 10 B I have started learning English for 10 years C I have been learning English for 10 years D I ... 45 C 55 B 65 A 75 A D 16 C 26 C 36 B 46 A 56 A 66 B 76 B B 17 C 27 A 37 C 47 B 57 A 67 D 77 C A 18 B 28 D 38 B 48 C 58 B 68 D 78 A B 19 D 29 C 39 D 49 B 59 C 69 C 79 B 10 .B 20 A 30 B 40 A 50...

... 79 Language is regarded the private property of any nation A B C D 80 Happy people find it easily to get to sleep and they sleep soundly A B C D Mã đề: 982 A 11 C 21 D 31 A 41 D 51 A 61 B 71 C ... bicycle 73 The manager can force them to leave the apartment A They can leave the apartment because the manager is forced to B The manager can be forced to leave the apartment C They can be forced ... use more descriptive language and more details There is also far more talk about emotions, especially sadness, with daughters than with sons 11 Which sentence best expresses the main idea of the...

... 79 Language is regarded the private property of any nation A B C D 80 Happy people find it easily to get to sleep and they sleep soundly A B C D Mã đề: 982 A 11 C 21 D 31 A 41 D 51 A 61 B 71 C ... to (40)……….in Marlow on Monday 31 A damaged 32 A noting 33 A irrational 34 A notice 35 A came about 36 A route 37 A once B harmed C devastated B presenting B superstitious B consideration B turned ... energy 70 Countries may …………the World Bank for development projects A lend large sums of money B borrow large sums of money C lend large sums of money from D borrow large sums of money from -Choose...

... y +1) - ( y + y - 4) = y +10 y + 25 = ( y + 5) ộ = 1- y x ị ờ =- y - x (t/m (*)) ( ko t/m (*)) Vi y = 1- x thay vo (1) ta c: iu kin 0,25 2x +1 + 2x = (2 x 1) 2 ( 3) 0,25 x 2 ( 3) + 2x +1 ... + x1 ) - x1 x2 = 16 - ( m - 3) = 16 m = , t/m 0,25 ỡ ù ù x +1 + y +1 = ( x - y ) ù ( ) H tng ng vi: ù ù ù x + y + xy + 3x + y = ( 2) ù ù ợ 1 2 K: x - , y (*), ( 2) x + x ( y +1) + y + y ... x1 ; m) , D ( x2 ; m) vi x1 ; x2 l nghim PT (2) theo h thc Viột: x1 + x2 =- 2, x1 x2 = m - 0,25 0,25 Vi tớnh cht trờn thỡ ABCD l hỡnh bỡnh hnh v ch CD = AB = II .1 2 ( x2 - x1 ) = ( x2 + x1...

... y +1) - ( y + y - 4) = y +10 y + 25 = ( y + 5) ộ = 1- y x ị ờ =- y - x (t/m (*)) ( ko t/m (*)) Vi y = 1- x thay vo (1) ta c: iu kin 0,25 2x +1 + 2x = (2 x 1) 2 ( 3) 0,25 x 2 ( 3) + 2x +1 ... + x1 ) - x1 x2 = 16 - ( m - 3) = 16 m = , t/m 0,25 ỡ ù ù x +1 + y +1 = ( x - y ) ù ( ) H tng ng vi: ù ù ù x + y + xy + 3x + y = ( 2) ù ù ợ 1 2 K: x - , y (*), ( 2) x + x ( y +1) + y + y ... x1 ; m) , D ( x2 ; m) vi x1 ; x2 l nghim PT (2) theo h thc Viột: x1 + x2 =- 2, x1 x2 = m - 0,25 0,25 Vi tớnh cht trờn thỡ ABCD l hỡnh bỡnh hnh v ch CD = AB = II .1 2 ( x2 - x1 ) = ( x2 + x1...

... - PQ ữ = a - a = a 11 ỗMN Chiu cao ca hỡnh thang QH = MQ - MH = MQ - ỗ ữ ữ ỗ ố ứ 36 2 0,25 (vd) ị S MNPQ = V t a = 1 a 11 a 11 ( vdt) = ( MN + PQ ) QH = a 2 12 0,25 a b c 13 y z x , b = , c ... + 1) - ( y + y - 4) = y + 10 y + 25 = ( y + 5) ộ = 1- y x ị ờ =- 2y - x (t/m (*)) ( ko t/m (*)) Vi y = 1- x thay vo (1) ta c: iu kin 0,25 2x +1 + 2x = (2 x 1) 2 ( 3) 0,25 x 2 ( 3) + 2x +1 ... ( x1 ; m) , D ( x2 ; m) vi x1 ; x2 l nghim PT (2) theo h thc Viột: x1 + x2 = - 2, x1 x2 = m - 0,25 Vi tớnh cht trờn thỡ ABCD l hỡnh bỡnh hnh v ch CD = AB = 2 ( x2 - x1 ) = ( x2 + x1 ) - x1...

... b2 ( a + b ) + a12b 10 b +1 a +1 a+ b + Có a + b 2 0.25 ( a + b) ta cần chứng minh ( a + b) 2 3( a + b) + 12 10 (*) a+ b 24 + 20 x (x-2) ((x-2)2+8) x Dấu xảy x=2 12 10 Dấu xảy a=b= ... 0...