đề kiểm tra học kì i đề 12

... 21 Câu 16: Dấu hiệu đặc trưng để nhận biết gen di truyền NST gi i tính Y A Được di truyền gi i dị giao tử B Ln di truyền theo dòng bố C Chỉ biểu đực D Không phân biệt gen tr i hay gen lặn Câu ... tổng hợp ngẫu nhiên từ lo i ribônuclêôtit U X v i tỉ lệ ngang nhau, theo lí thuyết có ba tỉ lệ phần trăm ba bao nhiêu? A 8; 12, 5% B 6;16,7% C 4; 25% D 2; 50% II Phần riêng Thí sinh học chương trình ... cho ru i dấm F1 dị hợp tử lai v i ru i có kiểu gen AB , F2 thu kết phân tính : aB A xám, cánh d i : ru i đen, cánh d i B xám, cánh d i : ru i đen, cánh d i C xám, cánh cụt : xám, cánh d i : đen,...

Ngày tải lên: 02/06/2013, 01:26

... r i loạn, không sản sinh đủ ATP gây nên chứng động kinh Một ngư i mẹ bị đột biến gen sinh trai, g i Có thể kết luận bệnh từ mẹ di truyền cho A g i B Chỉ trai C Cả trai g i D Con trai hay g i ... tr i hồn tồn cho tỉ lệ kiểu hình A : B : : C : :1 : D : : : Câu 25 Tính trạng gen tr i NST Y khơng có X di truyền A Đ i thứ biểu B Con trai đ i thứ biểu C trai g i biểu D Tất trai dòng họ biểu Đề ... cho giao tử lưỡng b i có sức sống bình thường Lai tứ b i AAaa v i Aaaa Tỉ lệ có kiểu gen AAaa : A B 12 C 12 D 11 12 Câu 18 Một đột biến i m gen ti thể ngư i làm cho q trình hơ hấp n i bào...

Ngày tải lên: 04/06/2013, 01:26

... man is believed is living in New York C The wanted man is believed to be living in New York D That the wanted man is believed to be living in New York 19 “What a strange idea!” he said A He said ... the cinema with him that night B.He offered me to go to the cinema with him tonight C He asked me if I d like to go to the cinema with him tonight D He would like me to go to the cinema with him ... learn I was then able to move into filming in 1985 and have concentracted on Arctic and Antarctic wildlife ever since I prefer to be face to face with the animals I m filming I haven’t got in water...

Ngày tải lên: 25/10/2013, 15:11

... 100 b.Số ampekế :I= c Biểu thức dòng i n :i= I0cos(100πt-φ) I = ( Â) V i -I0 = Z L − ZC π = => ϕ = (rad ) R -tanφ= cos(100πt − Câu (2 i m) Câu (2 i m) π )( A) Vậy :i= *Đ i x1=2sin(20πt)=2cos(20πt-π/2) ... HƯỚNG DẪN CHẤM B I KIỂM TRA HỌC KÌ I LỚP 12 NĂM HỌC 2010-2011 Môn vật lý Câu số Câu (1,5 i m) Câu (2,5 i m) N i dung 2π 2π = 6π => T = = (s) T 6π -Ta có ω=6π=> ... cos( 20 i − π / 2) + cos 20πt ] X=2 *Dùng cơng thức lượng giác tìm được: π π 2Cos (− ) cos( 20πt − )(cm) 4 X=2 • Chú ý H/S gi i phương pháp giản đồ véc tơ quay : Đúng cho i m câu t i đa Xây...

Ngày tải lên: 31/10/2013, 01:11

... Lớp: 12A…… i m L i phê thầy (cô) giáo: ĐỀ KIỂM TRA HỌC KÌ I NĂM HỌC 2010- 2011 MƠN: TIN HỌC 12 TH I GIAN: 45 PHÚT Mã đề: 428 I Phần trắc nghiệm (6 i m): M i câu trả l i 0.5 i m Câu Khi nhập liệu ... tên: Lớp: 12A…… i m L i phê thầy (cô) giáo: ĐỀ KIỂM TRA HỌC KÌ I NĂM HỌC 2010- 2011 MÔN: TIN HỌC 12 TH I GIAN: 45 PHÚT Mã đề: 248 I Phần trắc nghiệm (6 i m): M i câu trả l i 0.5 i m Câu Để ... tên: Lớp: 12A…… i m L i phê thầy (cô) giáo: ĐỀ KIỂM TRA HỌC KÌ I NĂM HỌC 2010- 2011 MƠN: TIN HỌC 12 TH I GIAN: 45 PHÚT Mã đề: 289 I Phần trắc nghiệm (6 i m): M i câu trả l i 0.5 i m Câu Trong...

Ngày tải lên: 09/11/2013, 05:11

... ĐỀ 3: Câu1.(2 i m) a) Dùng đồng hồ Vạn tìm chân B Tranzito lo i PNP lo i NPN? b) Chứng minh tụ i n chặn hồn tồn dòng i n chiều cho dòng i n cao tần qua? Câu 2.(3 i m) Đọc trị số linh kiện ... i m) a) Chứng minh cuộn cảm L cho dòng i n chiều qua chặn dòng i n cao tần? b) Dùng đồng hồ Vạn tìm chân B Tranzito lo i PNP lo i NPN? Câu 2(3 i m) Đọc trị số linh kiện sau: a)Tụ i n: - C1 470 ... /12V.AC - C3 12 μ F / 450V.AC b) i n trở: R1 K27 , R2 250 - 5W , R3 Vàng(4)- Vàng(4)- Đỏ(2)-Bạc(10) ? Câu 3.(3 i m) So sánh cấu tạo Tirixto Đinixto.Trình bày nguyên lí làm việc chúng mạch i n?...

Ngày tải lên: 28/11/2013, 19:11

... car 30 I didn’t tried hard, so I didn’t succeed A If I tried hard, I would succeed B If I had tried hard, I would succeed C If I tried hard, I would have succeeded D If I had tried hard, I would ... King continued to visit it until 1827, but Queen Victoria did not like the house It is open to the public every day and there is a special exhibition there in the summer Brighton offers all kinds ... Queen Victoria liked it D Because the King built a house there What things does the text say can you in Brighton? A Visit the fisherman B Fish, shop and swim C Buy antiques and souvenirs D Visit...

Ngày tải lên: 26/07/2014, 11:20

... call is almost always disturbing The ringing of the telephone always interrupts something, even if it is a welcome interruption, so almost all calls begin rather apologetically Letters from friends, ... the risk of saying the wrong thing In addition to the phone and the postal service now, of course, we have electronic mail- e-mail - which seems to combine the advantages of both letter writing ... habits did change with the arrival of the telephone and will change again as new media come into use On the plus side, the telephone has two obvious advantages Firstly, it frees us from the difficulties...

Ngày tải lên: 26/07/2014, 11:20

... the invention of the lightning rod he was also interested in improving the conditions of his fellow men He was involved in a number of projects in his native Philadelphia, including the setting ... of his experience in business was hared in his famous Poor Richard's Almanak, which established his reputation throughout the American colonies In another of his works, the Autobiography, which ... apprentice, and this helped him seven years later, with his first publication, the Pennsylvania Gazette He also received a contract to government printing work, which helped him to rise from his...

Ngày tải lên: 26/07/2014, 11:20

... Everest is the highest mountain in the world It's in the Himalayas A Mt Everest, the highest mountain in the world, is in the Himalayas B Mt Everest is the highest mountain in the world, it's in the ... in the Himalayas C Mt Everest is the highest mountain in the world, is in the Himalayas D Mt Everest is the highest mountain in the world, in the Himalayas 30 The Pikes say: "We're going to spend ... of traveling and we don't have an alternative In what sense does traffic affect people? A It has advantages and disadvantages B It has no other alternative for the British C It kills people in...

Ngày tải lên: 26/07/2014, 11:20

... places In the first place, it is very unpleasant (46) _ in a yourself smoke (47) _ to this, smoking can be serious fire risk, especially in crowded places (48) _ discos Finally, in my opinion, ... definite A sit A Add A for A protest A for B Conducts B destroy B in spite of B these B indefinite B to sit B Adding B as B object B at C Statistics C spoil C because of C those C indefinitely ... feeling _ A responsible B responsibility C of responsibility responsible 23 This stadium can hold _ A much audience B a large audience C much audiences audiences 24 When the mountain forests _ there...

Ngày tải lên: 26/07/2014, 11:20

... & visiting Hoi an town? D What about we take a trip to Da Nang & visit Hoi an town? 28 It is cheaper to go by train than by air A going by air is cheaper than going by train B going by air is ... interesting A The most important thing is playing football B Playing football is said to be the most interesting C It was said that playing football is the most interesting D It is said that playing ... cheap as going by train C going by train is cheaper than going by air D going by train is not cheap 29 Do you consider staying at home & playing cards tonight? A Let's staying at home & playing cards...

Ngày tải lên: 26/07/2014, 11:20

... motorbike 30 It's difficult for me to this test A I' ll try my best but I can't this test B I don't have any difficulty in doing this test C I find it difficult to this test D I don't think I have ... To his parents' great _, he failed the exam A disappoint B disappointed C disappointment D disappointing The sky is getting dark It rain is on its way A looks B looks like C seems to D will ... at night Airplane pilots need plenty of this vitamin Scientists think vitamins may have some effect on keeping the hair from turning gray 36 37 Which of the following is not directly stated in...

Ngày tải lên: 26/07/2014, 11:20

... breaking on the ship C high waves breaking n the seashore D high and small waves Surfing is a skill and therefore A it is not easy to it B it is impossible to practice it C it is dangerous to it ... price of the hotel D The face which I paid for my airline ticket is cheaper than the hotel 79 I regret going to bed so late last nigh A I wish I didn't go to bed so late last night B I wish I ... D it needs practice from day to day Surfing started A five decades ago in Hawaii B hundreds of years ago in Australia C long ago in Australia D in Hawaii Men of long ago did surfing by A using...

Ngày tải lên: 26/07/2014, 11:20

... A will finish B is finishing C finishes D will have finished 25 _ the rise in unemployment, people still seem to be spending more A Meanwhile B Nevertheless C Although D Despite Which sentence ... a music-hall comedian in England before he went to America in 1910 In those days he often (36) _ Chaplin he made his first short film in 1918 but did not (37) _ to establish himself in the ... we kept walking 30 No matter how hard I tried, I couldn't open the door A Try as hard as I might I couldn't open the door B Although I try, I couldn't open the door C It is difficult for me...

Ngày tải lên: 26/07/2014, 11:20

... worried about? A their weight B their height C their jogging D the distance To many people, _ A body size is not a problem B body size is very important C they not care about their body size ... be ideal when you're 54 And your ideal weight will probably be different during racing season when you're in a specific training phase 36 37 38 39 40 What are most of joggers who are overweight ... overweight are reasonable for talking about, worrying about, and obsessing with their weight Since many people start jogging to lose weight (perhaps you're one of them) it is not surprising that...

Ngày tải lên: 26/07/2014, 11:20

... done in this test D There're 45 sentences to have to be done in this test 28 I didn't intend to change my job A I didn't have intention for change my job B I had intention to change my job C I didn't ... is divided A so on A searching disappearance A achieve A save B considered B as B of B where B to working B are divided B such as B loss C learnt C most C on C when C working C have been divided ... paid me a visited A has B have C are D is Many students aren't keen _ their study at school A about B for C with D on Most children know little about their job because of _ A their being ill-prepared...

Ngày tải lên: 26/07/2014, 11:20

... learn English because A Most of their books are in English B hearing the language in the office D working hard on their lessons B their parents make them D It is included in their courses B It helps ... English? It is difficult to answer that question Many boys and girls learn English at school because it is one of their subjects They study their own language and mathematics… and English In England ... long time C They didn't meet for a long time D They didn’t meet a long time ago 28 This flat is too small for my family A This flat is not big enough for my family B This flat is not rather big...

Ngày tải lên: 26/07/2014, 11:20

... Which C When D What 20 The lift is not working now It is out _ order A in B for C to D of 21 this medicine and you will feel well again A Have B Drink C Take D Eat 22 Haywood is the village ... advice But he also has his own rules "I think", he explains, eating his fried chicken and chips, "it's important to eat a variety of food" We then asked Dorothy Matthews, aged 84 "I don't think ... though about it "It's got nothing to with the government what I eat", says Paul Keel, a building worker, as he eats a beef burger and chips washed down with strawberry milkshake "I think I have a...

Ngày tải lên: 26/07/2014, 11:20

... birthday parties 27 I regret drinking so much last night A I wish I wouldn't drink so much last night B I wish I didn't drink so much last night C I didn't drink so much last night D If only I ... scientific pedagogy This environment should be determined scientifically In order to expand, children, left at liberty to exercise their activities, ought to find in their surroundings something ... organized in direct relation to the children's internal organization All of these principles imply the next, which Montessori calls the "biological concept of liberty in pedagogy": the child must...

Ngày tải lên: 26/07/2014, 11:20