... more cautions and live a large city than to feel secure but dangthanhdat2106@gmail.com bored #3- 3 trvine? 10 ”When people succeed, it is because of hard work, Luck has nothing to with success.” ... citizen of the world, wouldn’t I? Could you call me a foreigner if I called everyplace my home? 33 Is it better to enjoy your money when you earn it or is it better to save your money for some ... participate in extracurricular sports, you should understand that the principal knows that a strong body as well as a strong mind will help us in the future If a rule requires that students must two hours...
... remain open on those days Question 36 : A take B use C spend D expend Question 37 : A fair B festival C parade D carnival Question 38 : A for B as C and D nor Question 39 : A familiar B ordinary C common ... Question 33 : Dissemination of information is frequently carried out via satellite - through local or national TV networks A Dedication B Compilation C Condensing D Dispersal Question 34 : Trees ... for each of the blanks from 36 to 45 Easter Easter is a holiday in late March or early April, the first Sunday after the first full moon after 21 March Many people (36 ) it with their family...
... politician Question 40 According to the passage, when did de Tocqueville visit America? A 1 830 s B 1 831 C 1 831 -32 D 1 835 Question 41 The phrase “these traits” in lines 9-10 refers to A observations B ... indicate the sentence that best combines each pair of sentences in the following questions Question 33 : He is very intelligent He can solve all the problems in no time A So intelligent is he that ... or D on your answer sheet to indicate the correct answer to each of the questions from 38 to 47 Question 38 What is the passage primarily about? A Alexis de Tocqueville C the progress achieved...
... phần 3) 01 C 02 D 03 C 04 C 05 B 06 D 07 D 08 A 09 C 10 B 11 B 12 D 13 C 14 A 15 A 16 D 17 A 18 D 19 C 20 B 21 A 22 D 23 B 24 B 25 A 26 B 27 B 28 C 29 C 30 C 31 D 32 C 33 C 34 C 35 B 36 C 37 B 38 ... phần 3) 01 A 02 C 03 C 04 B 05 A 06 B 07 D 08 C 09 A 10 B 11 C 12 C 13 A 14 A 15 C 16 D 17 D 18 B 19 C 20 C 21 C 22 A 23 A 24 A 25 B 26 A 27 B 28 C 29 C 30 B 31 C 32 B 33 D 34 D 35 D 36 D 37 C 38 ... phần 3) 01 D 02 A 03 A 04 A 05 C 06 B 07 C 08 A 09 B 10 B 11 C 12 B 13 A 14 B 15 A 16 D 17 B 18 C 19 C 20 C 21 B 22 C 23 C 24 B 25 C 26 C 27 B 28 A 29 D 30 B 31 C 32 C 33 B 34 A 35 D 36 C 37 B 38 ...
... Question 32 A community B experience C continental D convenient Question 33 A influence B injury C inherit D integrate Question 34 A tolerate B tendency C property D employment Question 35 A cafeteria ... suggestion C belief D favor Question 30 : A houses B factories C stations D generations Mark A,B,C or D to indicate the word whose main stress differs from the rest Question 31 A apparent B fantastic C ... D has Question 22: A in B at C by D to Question 23: A danger B harm C risk D threat Question 24: A just B well C such D even Question 25: A strong B strict C heavy D severe Question 26: A raise...
... couldn't follow the story D No, I dislike moving Question 33 Is it necessary that I here tomorrow? A would be B am being C were D be Question 34 We received a call from the teacher charge ... Question 31 Not until in my paper to write down my name on it A I handed/ that I remembered B I handed/ did I remember C did I hand/ did I remember D did I hand/ I remembered Question 32 ... costless D can produce more information Question 37 The word "precise" is closest in meaning to A accurate B rational C required D planned Question 38 According to the reading passage, there are...
... 11 d 12 a 13 d 14 d 15 a 16 c 17 b 18 c 19 d 20 b 21 c 22 b 23 a 24 d 25 c 26 d 27 d 28 b 29 c 30 a Sách Giải – Người Thầy bạn http://sachgiai.com/ 31 d 32 b 33 b 34 c 35 a 36 d 37 c 38 b 39 d ... b is c had seen d both a and b are correct 32 I …………….the bell three times when he answered the door a was ringing b had rung c rang d would ring 33 If I had met you last Sunday, I ……… here today ... 39 d 40 a 41 a 42 c 43 c 44 b 45 c 46 b 47 d 48 d 49 c 50 d 51 c 52 a 53 b 54 d 55 d 56 c 57 a 58 d 59 a 60 d 61 c 62 d Sách Giải – Người Thầy bạn http://sachgiai.com/ 63 a 64 b 65 a 66 c 67...
... dễ c/m f ( t ) đồng biến » nên ta x + = − y Pt ( ) trở thành: x + − x + = 20 13 x − 2 012 ( 3) ∀x ∈ » có x + > x + ⇒ 20 13 x − 2 012 > ⇒ x > PT ( 3) ⇔ ( ) ( x2 + − − ) x + − − 20 13 ( x − 1) = x ... (1,0 điểm) Ta có: D = DF ∩ DK ⇒ D ( −1 ;3) , gọi C ( t ;3t ) ta có: t − 3t + E ; 3xB − 3u = t + Gọi F ( u ;3) ta có: 3FB = DC ⇒ 3 yB − = 3t − 3u + t + 6u − t + −t + ⇒ B ; t ... y 12 = Lại có ⇒ CD : x + y − = N (4;0) ∈ CD C = CD ∩ AC ⇒ C (7; 3) Từ ta D = CD ∩ AD ⇒ D (1; 3) Vậy A(5; 7), C(7; -3) , D(1; 3) Câu (1,0 điểm) Ta có A ( 0; −1; 3) , B ( 3; 0; 3) ...
... x12 = x1 + x2; x 23 = x2 + x3; x 13 = x1 + x3; x1 23 = x1 + x2 + x2 x +x −x x + x 23 − x 13 x + x 23 − x12 x + x + x 23 x1 = 12 13 23 ; x2 = 12 ; x3 = 12 ; x1 23 = 12 13 CÂU 2 2 HỎI TRẮC NGHIỆM Câu 34 9 ... 2/3s C 1/6s D 1/3s Câu 241 Vật dao động điều hòa Thời gian ngắn để giảm từgiá trị cực đại xuống nửa giá trị cực đại 0 ,125 s Thời gian ngắn để vận tốc vật giảm từgiá trị cực đại xuống nửa giá ... đất Biết bán kính trái đất 6400km Khi đưa đồng hồ xuống mặt đất tuần lễ đồng hồ chạy: A nhanh 4 ,32 s B nhanh 30 ,24s C chậm 30 ,24s D chậm 4 ,32 s Câu 30 0 Đồng hồ lắc chạy (chu kì T = 2s) nơi có gia...
... 3 3 3 3 b Trong hệ trục tọa độ Oxy , cho tam giác ABC có đường phân giác từ A , trung tuyến từ B , đường cao kẻ từ C phương trình x y 0; x y 0; 2x y Tìm tọa độ 12 39 ... b 33 24 c 33 a b ab 18 24 b c bc 16 Tuyệt Đỉnh Luyện Đề Toán THPT Quốc Gia 2015 a ca 3c 12 3b 18 b a c 1 ca 33 a abc 13a c c 3b 24 44 a b b c c 26 13 ... 2 z ' z 2P 3 P 3 4P 8P 3 Giá trị nhỏ P 36 36 P 23 x , xảy chẳng hạn khi: P ;y 31 23 Giá trị lớn 20 , xảy chẳng hạn khi: 66 31 ;z 31 x 2; y 0; z ...
... = x3 + 3x2 + 3x +1 b) y = (x - 1 )3 c) y = - x3 - 3x + d) y = - x3 + 3x2 - 3x - Bài 1.2) Khảo sát biến thiên vẽ đồ thị hàm số sau: a) y = x3 +3x2 - 9x + c) y = − x − x − 3x + e) y = ( x − 3x − ... giao điểm đồ thị cho là: x =0⇒ y =0 3 x + x + 3x = x x + x + x = x = 3 − ⇒ y = 3 − 3 x = 3 + ⇒ y = 3 + Vậy đồ thị cho giao điểm là: A(0;0), B( -3- ; -3- ), C( -3+ ; -3- ) Quyển - Tháng năm ... biến thiên vẽ đồ thị hàm số sau: y = x3 - 3x Giải Bài 3: Khảo sát biến thiên vẽ đồ thị hàm số sau: y = 2x3 - 3x2 + (HD trực tiếp) Bài 4: Khảo sát biến thiên vẽ đồ thị hàm số sau: y = -x3 + 2x2 -...
... hp cng cú : 36 0 s Vy ta cú tt c 5 .36 0 = 1800 s x Khai trin v thu gn biu thc M ta c: M = 16x2y2 + 12( x3 + y3) + 34 xy T x + y = 1ta cú = (x + y )3 = x3 + y3 + 3xy( x+ y) x3 + y3 =1 - 3xy Nờn M = ... ln 3x (6x+4) +3 dx 3x dx 3x (2 )dx 3x 2 dx d(3x+2) 3x 0,25 0,25 R), ta cú: z z 7i 49 Vy z Ta có: Cn Cn 3x y x y 442 4b n n(n 1) n n 7 .3! n(n 1)(n 2) 5n 36 n n 9.C9 89 0,25 Suy a hệ số x biểu ... Tập xác định: D = R * Sự biến thiên Chiều biến thiên: y ' x 12 x 3( x x 3) x Ta có y' , y' x x Do đó: + Hàm số đồng biến khoảng ( ,1) (3, + Hm số nghịch biến khoảng (1, 3) 1a Cực trị: Hàm số đạt...