... y 8z x 192 Bài 10: x3 y3 xy x3 y3 y3 z3 yz x3 y3 xy S x3 xy x y yz y3 3 xyz xy x y y3 z3 ; xy yz 3xy xy xy z3 x3 zx zx 3 yz yz x y2 z xy x y z 3xy xyz z3 x3 ; yz zx 3zx zx 3 Bài 11 x y xy P x ... 12 36 a b2 ab 20 13 a b 0; a 134 2 b 134 2 11 0; a 134 2 b 134 2 Nguoithay.vn a 134 2 b 134 2 a 134 2 b 134 2 a b 2. 134 2 a b ab 134 2a 134 2b 134 2 a b 2. 134 2 a b 20 13 a b 3. 134 22 0 2.20 13 a b 2.20 13. 134 2 ... 3 4) 2b3 ) ( c b b (**) a 1c c bb2 a9 c 4) a a c ( c b c a b a 2( a c a b 3 b )5 3 ( 3c a 8 a b( c ) a b c a b c Bài 41 Cho a, b, c a b3 c3 3abc *P a b3 c3 3abc Ta có a b3 c3 3abc a b3 c3 3abc...
... ÁN 1A 11D 21A 31 D 41C 2D 12C 22B 32 A 41B 3C 13D 23B 33 C 43B 4C 14C 24D 34 C 44A 5D 15C 25B 35 C 45A 6C 16B 26B 36 D 46B 7D 17D 27B 37 C 47B 8C 18D 28B 38 A 48D 9B 19C 29C 39 D 10A 20B 30 D 40C ... có đa dạng sinh học cao B Môi trường nước không bị lượng ánh sáng mặt trời đốt nóng C Môi trường nước có nhiệt độ ổn định D Môi trường nước giàu dinh dưỡng môi trường cạn Theo chương trình chuẩn(8 ... chương trình làm phần dành riêng cho chương trình 1.Theo chương trình nâng cao câu(từ câu 33 đến câu 40) Câu 33 .Thành phần cấu tạo Operon Lac bao gồm: A Một vùng vận hành(O) nhóm gen cấu trúc B Một...
... 69 B 70 B 71 B Code 234 12 C 13 A 14 D 15 D 16 D 17 B 18 C 19 B 20 B 32 C 33 C 34 B 35 B 36 C 37 B 38 A 39 D 40 B Page of 52 A 53 B 54 B 55 A 56 A 57 C 58 A 59 D 60 C 72 A 73 D 74 B 75 C 76 B 77 ... END ANSWER KEY CODE 234 B C A B A B A C A 10 A 11 D 21 D 22 A 23 D 24 A 25 D 26 D 27 D 28 A 29 D 30 B 31 C 41 B 42 B 43 C 44 C 45 D 46 A 47 D 48 B 49 D 50 A 51 B 61 A 62 D 63 A 64 C 65 C 66 C 67 ... cars Question 31 : ………….in the atmosphere is the temperature falling below freezing A Frost is produced B Frost produces C What produces frost D What is frost produced Question 32 : He said that...
... C 14 B 15 D 16 B 17 C 18 A 19 B 20 A 31 B 32 C 33 B 34 A 35 D 36 A 37 A 38 D 39 D 40 B Page of 51 A 52 D 53 B 54 D 55 A 56 B 57 A 58 B 59 B 60 A 71 B 72 A 73 A 74 D 75 B 76 B 77 A 78 D 79 B 80 ... 10 C 21 B 22 D 23 C 24 A 25 D 26 C 27 A 28 A 29 D 30 D 41 D 42 D 43 A 44 B 45 D 46 C 47 C 48 C 49 B 50 B 61 C 62 B 63 A 64 D 65 B 66 B 67 B 68 C 69 C 70 D Code 252 11 C 12 B 13 C 14 B 15 D 16 ... Question 33 : Ancient Egyptians mummified their dead through the use of chemicals, ………….ancient Peruvians did through natural processes A because B whereas C even though D whether or not Question 34 :...
... D 28 B 29 A 30 B 31 C 32 D 33 A 34 A 35 C 36 D 37 D 38 A 39 B 40 D Page of 47 D 48 B 49 D 50 A 51 B 52 A 53 B 54 B 55 A 56 D 57 C 58 A 59 B 60 A 67 C 68 A 69 C 70 D 71 C 72 C 73 B 74 B 75 B 76 ... 4 23 C B A D B B 21 B 22 A 23 D 24 D 25 A 26 D 41 B 42 C 43 B 44 B 45 D 46 A 61 C 62 A 63 A 64 D 65 C 66 A Code 4 23 B C C 10 D 11 A 12 C 13 D 14 B 15 B 16 C 17 C 18 A 19 C 20 D 27 D 28 B 29 A 30 ... Question 31 : ………….in the atmosphere is the temperature falling below freezing A Frost is produced B Frost produces Code 4 23 Page of C What produces frost D What is frost produced Question 32 : Half...
... 4 23 C B A D B B B C C 10 D 11 A 12 C 13 D 14 B 15 B 16 C 17 C 18 A 19 C 20 D 21 B 22 A 23 D 24 D 25 A 26 D 27 D 28 B 29 A 30 B 31 C 32 D 33 A 34 A 35 C 36 D 37 D 38 A 39 B 40 D 41 B 42 C 43 B ... 44 B 45 D 46 A 47 D 48 B 49 D 50 A 51 B 52 A 53 B 54 B 55 A 56 D 57 C 58 A 59 B 60 A 61 C 62 A 63 A 64 D 65 C 66 A 67 C 68 A 69 C 70 D 71 C 72 C 73 B 74 B 75 B 76 B 77 A 78 A 79 D 80 B Điểm thi ... surprised for the news Question 34 : Jane: Thank you for a lovely evening Barbara: ……………………………… A You are welcome B Have a good day C Thanks D Cheer! Question 35 : He said that the plane had already...
... 4 23 C B A D B B B C C 10 D 11 A 12 C 13 D 14 B 15 B 16 C 17 C 18 A 19 C 20 D 21 B 22 A 23 D 24 D 25 A 26 D 27 D 28 B 29 A 30 B 31 C 32 D 33 A 34 A 35 C 36 D 37 D 38 A 39 B 40 D 41 B 42 C 43 B ... Question 33 : She was ………………she could not say anything A so surprised at the news that B such surprised at the news that C so surprised of the news that D so that surprised for the news Question 34 : ... 44 B 45 D 46 A 47 D 48 B 49 D 50 A 51 B 52 A 53 B 54 B 55 A 56 D 57 C 58 A 59 B 60 A 61 C 62 A 63 A 64 D 65 C 66 A 67 C 68 A 69 C 70 D 71 C 72 C 73 B 74 B 75 B 76 B 77 A 78 A 79 D 80 B Điểm thi...
... 4 23 C B A D B B B C C 10 D 11 A 12 C 13 D 14 B 15 B 16 C 17 C 18 A 19 C 20 D 21 B 22 A 23 D 24 D 25 A 26 D 27 D 28 B 29 A 30 B 31 C 32 D 33 A 34 A 35 C 36 D 37 D 38 A 39 B 40 D 41 B 42 C 43 B ... Question 33 : She was ………………she could not say anything A so surprised at the news that B such surprised at the news that C so surprised of the news that D so that surprised for the news Question 34 : ... 44 B 45 D 46 A 47 D 48 B 49 D 50 A 51 B 52 A 53 B 54 B 55 A 56 D 57 C 58 A 59 B 60 A 61 C 62 A 63 A 64 D 65 C 66 A 67 C 68 A 69 C 70 D 71 C 72 C 73 B 74 B 75 B 76 B 77 A 78 A 79 D 80 B Điểm thi...
... 1 .38 Khảo sát biến thiên vẽ đồ thị hàm số sau a) y = x3 + 3x2 − b) y = −x3 + 3x − c) y = −x3 + 3 e) y = x + x − f) y = −2x − x − g) y = −x3 + 3x2 − d) y = x3 + 3x2 + 3x + 1 h) y = x3 − x2 − 3x ... 1.11 Tìm cực trị hàm số sau a) y = 2x3 − 3x2 + b) y = −x3 − 3x + d) y = x − 2x + e) y = −x4 + 2x3 − 2x − 2x + x+2 g) y = h) y = x+2 3x − c) y = 3 + 3x2 + 3x x f) y = x2 − 2x − x2 − 4x + i) y ... y (3) = Vậy max y = y(2) = 9; y = y(−1) = −9 [−1 ;3] [−1 ;3] b) Ta có: y = 3x2 − 6x; y = ⇔ x = x = 2; y(−2) = −19, y(0) = 1, y(2) = 3, y (3) = Vậy max y = y(0) = y (3) = 1; y = y(−2) = −19 [−2 ;3] ...
... KEY CODE 234 B C A B A B A C A 10 A 11 D 12 C 13 A 14 D 15 D 16 D 17 B 18 C 19 B 21 D 22 A 23 D 24 A 25 D 26 D 27 D 28 A 29 D 30 B 31 C 32 C 33 C 34 B 35 B 36 C 37 B 38 A 39 D 41 B 42 B 43 C 44 ... D 48 B 49 D 50 A 51 B 52 A 53 B 54 B 55 A 56 A 57 C 58 A 59 D 61 A 62 D 63 A 64 C 65 C 66 C 67 C 68 B 69 B 70 B 71 B 72 A 73 D 74 B 75 C 76 B 77 A 78 A 79 D Code 234 20 B 40 B Page of 60 C 80 ... should have arrived D was supposed to arrive Question 33 : There seems to be a large ……… between the number of people employed in service Code 234 Page of industries, and those employed in the primary...
... 10 C 11 C 12 B 13 C 14 B 21 B 22 D 23 C 24 A 25 D 26 C 27 A 28 A 29 D 30 D 31 B 32 C 33 B 34 A 41 D 42 D 43 A 44 B 45 D 46 C 47 C 48 C 49 B 50 B 51 A 52 D 53 B 54 D 61 C 62 B 63 A 64 D 65 B 66 ... 61 C 62 B 63 A 64 D 65 B 66 B 67 B 68 C 69 C 70 D 71 B 72 A 73 A 74 D Code 252 15 D 16 B 17 C 18 A 19 B 20 A 35 D 36 A 37 A 38 D 39 D 40 B Page of 55 A 56 B 57 A 58 B 59 B 60 A 75 B 76 B 77 A ... Question 33 : Ancient Egyptians mummified their dead through the use of chemicals, ………….ancient Peruvians did through natural processes A because B whereas C even though D whether or not Question 34 :...
... 69 C 70 D 71 C Code 4 23 12 C 13 D 14 B 15 B 16 C 17 C 18 A 19 C 20 D 32 D 33 A 34 A 35 C 36 D 37 D 38 A 39 B 40 D Page of 52 A 53 B 54 B 55 A 56 D 57 C 58 A 59 B 60 A 72 C 73 B 74 B 75 B 76 B 77 ... END ANSWER KEY CODE 4 23 C B A D B B B C C 10 D 11 A 21 B 22 A 23 D 24 D 25 A 26 D 27 D 28 B 29 A 30 B 31 C 41 B 42 C 43 B 44 B 45 D 46 A 47 D 48 B 49 D 50 A 51 B 61 C 62 A 63 A 64 D 65 C 66 A 67 ... Question 33 : She was ………………she could not say anything A so surprised at the news that B such surprised at the news that C so surprised of the news that D so that surprised for the news Code 4 23 Page...
... 10 D 11 D 12 A 13 B 14 B 21 D 22 D 23 D 24 A 25 D 26 D 27 C 28 D 29 C 30 C 31 A 32 D 33 B 34 D 41 C 42 B 43 A 44 D 45 B 46 B 47 B 48 C 49 C 50 D 51 B 52 C 53 A 54 B 61 C 62 D 63 B 64 B 65 A 66 ... 54 B 61 C 62 D 63 B 64 B 65 A 66 A 67 C 68 D 69 A 70 C 71 C 72 B 73 D 74 B 15 B 16 B 17 A 18 B 19 D 20 B 35 A 36 B 37 A 38 B 39 B 40 A 55 A 56 A 57 C 58 C 59 C 60 B 75 A 76 B 77 D 78 A 79 B 80 ... nearly Question 31 A necessarily B informing C telling D saying Question 32 A speaking B result C reason D conclusion Question 33 A product B thought C turned D carried Question 34 A worked B force...