unit 3 lop 12

... reach as (42) ________ as 125 ·F during the day. At night, without the clouds to contain the heat, the temperature can fall to as low as 125 ·F. Extreme temperatures ( 43) ________ with little ... water (C) however very few plants (D) growing on it. 32 . Rain (A) falls occasionally in deserts (B) so desert storms (C) are often violent. 33 . The Nile River, the Colorado River, (A) but the Yellow ... in the United States d. desert hospitality and environment 37 . Which is not a problem for an unprepared man in a hot desert? a. sandstorm b. loss of water c. irrigation d. heatstroke 38 . Sandstorms...

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language focus unit 9 - lớp 12

Ngày tải lên : 14/06/2013, 01:26

... Grade 12 UNIT 9 Lesson: SPEAKING • Objectives: By the end of the lesson, ss will be able to - distinguish ... however/but many people started eating. Answer: 1. but 2. however 3. yet 4. so 5. but 6. However 7. however 8. but . Exercise 3: Add so, therefore or however where appropriate. Example: It began ... repeat. - T calls on some ss to read aloud. - T asks ss to work in pairs to do the task. way. 3. They have lived next door to us for years, however/yet we hardly ever see them. 4. My friend...

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BÀI TẬP ÁP DỤNG UNIT 11 LỚP 12- CÓ KEY

Ngày tải lên : 21/07/2013, 01:25

... D sustained attention span. (cultivates) 33 . Reading cannot make your life longer, but reading really makes your A B C life more thicker . (thicker) D 34 . It is really sad how many people have ... cities and countries have to offer before you visit them. 36 . Books have great influence on ________. a. TV b. friendship c. brain d. muscles 37 . When you are reading a book, ________. a. you have ... d. imaginarily 12. A ________ is a story long enough to fill a complete book, in which the characters and events are usually imaginary. a. pleasure b. novel c. page d. review 13. A ________...

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đề kiểm tra và đáp án chương 3 lớp 12

Ngày tải lên : 21/07/2013, 01:26

... ∫ 0.50 5 2 os 5 c x C= − + 0.50 2 Ta có: 2 3 2 1 5 1 3 2 3 3 6 3 2 2 2 2 x x x x x x x x − − − = − = − 0.50 Nên: 64 64 1 1 4 11 3 6 3 6 3 2 1 1 64 2 3 6 2 1 2 11 x x x I dx x x dx x x x    ... x x dx x x dx − − = + − = + − ∫ ∫ 0.25 5 3 2 1 1 6 5 3 2 x x x   = + −  ÷   − ( ) ( ) ( ) ( ) 5 3 5 3 1 1 1 1 2 2 6 2 2 2 6 2 5 3 5 3 = + − + + − 136 2 15 = 1.00 Ghi chú: Nếu Hv làm theo ... ) ( ) ( ) 1 2 3f x dx x x x dx= − − − ∫ ∫ ( ) 3 2 4 3 2 1 11 6 11 6 2 6 4 2 x x x dx x x x x C= − + − + = − + − + + ∫ 1.00 Ta có: 3 4 sin 2 os 2cos sinxc x x x= 0.50 Nên: ( ) 3 4 4 sin 2 cos...

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kiem tra 1 tiet lan 3 lop 12

Ngày tải lên : 22/07/2013, 01:27

... from the rest 36 . 35 . A. rhinoceros B. hummock C. heard D. holiday 37 . 36 . A. conserve B. conservation C. conference D. confident 38 . 37 . A. booked B. dipped C. digested D. reduced 39 . 38 -40.Choose ... conservation D. extinction 33 . 23. I found a good job here so you ……………… send me money any more ,mother. 34 . A. shouldn’t B. can’t C. mustn’t D. needn’t 24.The town is built ……………… a slope. A. on B. in ... pronounced differently from that of the others. 30 . 38 .A. decision B. pollution C. protection D. expedition 31 . 39 . A. journey B. enact C. interesting D. hummock 32 . 40. A. leopard B. author C. replace...

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ĐỀ KỂM TRA 1 TIẾT BÀI 3 LỚP 12 NC

Ngày tải lên : 23/07/2013, 01:26

... λ 2 =0,72 µ m. khoảng cách i 12 giữa hai vân sáng gần nhau nhất cùng màu với vân sáng trung tâm O là A. i 12 = 1,8mm; B. i 12 = 12mm; C. i 12 = 1,2mm ; D. i 12 = 18mm Câu 14: Trong một thí ... và λ 2 =0,72 µ m. khoảng cách i 12 giữa hai vân sáng gần nhau nhất cùng màu với vân sáng trung tâm O là A. i 12 = 18mm B. i 12 = 1,2mm ; C. i 12 = 12mm; D. i 12 = 1,8mm; Câu 11: Ánh sáng đơn ... λ 2 =0,72 µ m. khoảng cách i 12 giữa hai vân sáng gần nhau nhất cùng màu với vân sáng trung tâm O là A. i 12 = 1,2mm ; B. i 12 = 12mm; C. i 12 = 1,8mm; D. i 12 = 18mm .[<br>] Nguyên...

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bài tập áp dụng unit 13- lớp 12

Ngày tải lên : 23/07/2013, 01:26

... awarded, 444 of which were gold, 434 were silver, and 5 83 were bronze. 36 . Up to now, the Philippines has hosted the SEA Games _______ times. a. 2 b. 3 c. 4 d. 5 37 . According to the first paragraph, ... medals c. the 23rd SEA Games had been over by the end of November, 2005 d. the number of audience in the 23rd SEA Games was about 200,000 people 38 . Which sport was first competed in the 23rd SEA Games? ... football d. Sailing 39 . Which was not mentioned in the 23rd SEA Games? a. Peace b. Friendship c. Solidarity d. Understanding 40. Which country got the first gold medal in the 23rd SEA Games? a....

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Tổ 3 - Lớp 12C2

Ngày tải lên : 02/08/2013, 01:28

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unit 1-lop 12

Ngày tải lên : 26/08/2013, 20:10

... the first time Janet has taken so difficult class, but she plans to complete it. 3- There are probably around 30 00 languages speaking in the world 4- I always talk with my parents before making ... together when we meet. “ In most families, it’s a small group… 12 …live in the same house, mother , father and the children…… 13 ….they get married.But one of the grandparents dies ,……14………usually ... When As Since 10-the thinking to thinking thinking to think 11-will be was has been is 12- who which what whose 13- as after before since 14-others the others other the other 15-living having lived...

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unit 1- lop 12

Ngày tải lên : 05/09/2013, 07:10

... working to look after a baby. 36 . A. made B. had C. got D. went 37 . A. arrogant B. pessimistic C. considerate D. impolite 38 . A. united B. remarried C. related D. married 39 . A. step B. half C. only ... I couldn't change a thing! 36 . A. nobody B. somebody C. one D. they 37 . A. includes B. consists C. has D. contains 38 . A. need B. ask C. wish D. request 39 . A. listen B. look C. watch D. ... space. GROWING FAMILY My mother and father (36 ) divorced about ten years ago. Six years later, my mother met a kind and (37 ) man called Tom and she (38 ) . He had two sons from his previous marriage,...

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công tthức chương 1,2,3 lớp 12 CB

Ngày tải lên : 05/09/2013, 10:10

... ( m N ) ω = l g ∆ +Tìm A: v = ± ω 22 xA − ⇒ A α (rad) 0 6 π 4 π 3 π 2 π cos α 1 3 2 2 2 1 2 0 tan α 0 3 3 1 3 ∞ +T/H đ/biệt:(viết biểu thức cho 1 phần tử) R L C I = I 2 cos(pha ... tại li độ x: v = ± ω 22 xA − -Chiều dài quỹ đạo: l = 2A -Quảng đường: 1T → S = 4A ; 4 3 T → S = 3A ; 2 1 T → S = 2A ; 4 1 T → S = A -Cơ năng: W = 2 1 k 2 A = 2 1 m 2 ω 2 A = hằng ... tự. Dạng 3: Công suất cực đại. P = R.I 2 -TH1 : R= const ( Tìm L, C, ω để P Max ) P Max ↔ I Max ⇒ Cộng hưởng . ⇒ LC 2 ω = 1 ⇒ 2 AB Max U P R = -TH2 : R biến thiên. 0 (3cos 2cos...

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Unit 1a lop 12

Ngày tải lên : 17/09/2013, 01:10

... By Nguyen Huy Hoang (M.A) Unit 1 SINGLE PARENT FAMILY + A single parent family consists of the children and one parent...

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Unit 1b1 lop 12

Ngày tải lên : 17/09/2013, 01:10

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Unit 1b2 lop 12

Ngày tải lên : 17/09/2013, 01:10

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Unit 1c lop 12

Ngày tải lên : 17/09/2013, 01:10

... breakfast and in suitable clothes. She always makes dinner ready before her husband comes home. 3. Our parents join hands to give us a nice house and a happy home. A. Our parents shake hands...