practice exercise set 1

... step? CH3CH2OH 1) + Cl D Cl + 2) HOCH2CH3 O H 3) + + HOCH2CH3 O O H ether 15 ) E 16 ) E1 and E2 17 ) B 18 ) D 19 ) The reacton is E2 See question 12 for a similar case H3C CH3 H3C Br 20) A 21) A 22) CH3 ... carbocation intermediates? A) SN1 only B) SN2 only C) E1 only D) E2 only E) both SN1 and E1 16 ) Which mechanism(s) give(s) alkenes as the major products, Sn1, Sn2, E1, or E2? 17 ) Which compound produces ... alkene predominates 9) H CH3 H3C CH3 10 ) 2 (E)-3-methyloct-2-ene 7 8 (E)-3-methyloct-3-ene (Z)-3-methyloct-2-ene 1 (Z)-3-methyloct-3-ene 2-Ethylheptene 11 ) E2 The molecule must rotate around...

Ngày tải lên: 22/03/2014, 14:20

... A wipe B be wiping C have wipe d D be wiped 17 People will be better looked by a more modern medical system A at B after C for D up 18 We won’t have to the domestic chores the invention ... thank for 19 He has a great influence his children A in B on C under D at 20 By the end of 2087, the first car running sea water will have been finished A under B in C by D on 21 Our car ... house 29 Is this bike which your father bought for your 16 th birthday? A a B an C  D the Mr David lives in 30(a/an/the/)old house in 31 (some/a/the/) small village There is 32 (an/the/a/)...

Ngày tải lên: 27/07/2014, 22:21

... of 10 we live in the same street, we've never talked to each other A Because B Despite C In spite of D Even though 11 It rained all the time, ……………was a pity A which B that C whom D whose 12 ... whose 13 He talked about the books and the authors………….interested him A which B who C that D when 14 Do you know the driver………………took them to town last night.? A which B whom C whose D who 15 The ... reduced C experienced D Both A and C 10 Thanks to Doi Moi, our country substantial changes in every sector of the economy A initiated B gained C dominated D worked 11 The Land Law and the Enterprises...

Ngày tải lên: 28/07/2014, 01:20

... status program Key for practice exercise on phonetics 1B 11 A 21D 31B 41C 51. D 61D 71C 81B 91C 2B 12 A 22A 32A 42A 52.D 62B 72A 82B 92B 3A 13 C 23C 33D 43B 53.B 63C 73D 83D 93A 4C 14 D 24B 34D 44B 54.A ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 10 0 A A A A A A A A A A ... 74B 84A 94A 5A 15 A 25D 35A 45A 55.C 65D 75C 85C 95D 6.A 16 B 26C 36B 56B 56.A 66B 76D 86B 96D 7A 17 A 27B 37A 47C 57.D 67A 77B 87C 97D 8C 18 B 28C 38C 48D 58.B 68C 78C 88A 98C 9B 19 D 29A 39B 49A...

Ngày tải lên: 05/08/2014, 11:21

... (rain) ………… solidly since our arrival 10 Peter offered me another drink but I decided I (drink) ………… enough 11 By the time we got to the hotel, he (leave) ………… 12 I knew I (do) ………… well in my exams ... very clean (you/wash) ………… it? 10 Mr Clark (work) ………… in a bank for fifteen years Then he gave it up 11 Molly lives in Bublin She (live) ………… there all her life 12 Bob and Alice are married They ... years 13 When we were on holiday, the weather (be) ………… awful 14 The weather (be) ………… very nice recently, don’t you think? 15 My grandfather (die) ………… 30 years ago I (never/meet) ………… him 16 I...

Ngày tải lên: 13/11/2015, 07:33

... Question No 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Answer E E D C A E B C C C B D A E E E A E D C D A E C E D C D A C B B C B Question No 35 36 37 38 39 40 41 42 ... 12 00 to 13 00 The increase was not the result of false arrests; therefore, medieval France had a higher level of documented interpersonal violence in the years 13 00 to 14 00 than in the years 12 00 ... website 1) Aristotle CR Question Bank 2) US B-Schools Ranking 2 012 3) Quant Concepts & Formulae 4) Global B-School Deadlines 2 012 5) OG 11 & 12 Unique Questions’ list 6) GMAT Scoring Scale Conversion...

Ngày tải lên: 20/09/2013, 22:16

... by the cat II EXERCISES: Exercise 1: Choose the correct passive sentences: My father bought this house in 19 98 A This house is buy in 19 98 by my father B This house is bought in 19 98 by my father ... UNIT 16 (cont): Practice and Exercises PASSIVE VOICE • WARM – UP: Buy Give Invite Build Break Send  BOUGHT  GIVEN ... watched by Lan - Were sold by Walt Disney IV HOMEWORK: - Revise the Passive Voice - Do exercises 2,3 Text book, page1 31 ...

Ngày tải lên: 15/07/2014, 15:00

... unemployment C employed 10 ………… are written to make people laugh A Tragedies B Novels C Funny stories 11 The old man has saved a lot of money for his……… A retire B retiring C retirement 12 We had a……… ... D boring D both b and c D or D watch D writes D as tall as - Exercise for Practice Exercise Choose one word whose stress pattern is different A interesting A understand ... bore B boring C bored 13 She gave a long…………….about unemployment in Vietnam A lecturer B lecturing C lectured 14 Money doesn't always bring…………… A happy B happily C happies 15 His………… makes his...

Ngày tải lên: 27/07/2014, 10:20

... 1. 0 1. 18 (0.67-2.07) 2 .11 (1. 26-3.53) 2.30 (1. 37-3.84) 1. 0 1. 18 (0.75 -1. 85) 1. 0 1. 17 (0.66-2.05) 1. 98 (1. 18-3.34) 2 .19 (1. 30-3.58) 1. 0 1. 22 (0.77 -1. 92) 1. 0 1. 12 (0.63 -1. 99) 1. 85 (1. 08-3 .15 ) 2.09 ... Obese 9 .1 14.6 22.3 1. 0 1. 69 (1. 02-2.82) 2.83 (1. 71- 4.69) 1. 0 1. 59 (0.95-2.66) 2.55 (1. 52-4.28) 1. 0 1. 52 (0.90-2.55) 2.28 (1. 35-3.85) WC (cm) ≤ 80 80 .1- 86.9 87.0-93.9 ≥ 94.0 6.6 14 .1 19.0 24.7 1. 0 ... 14 .1 19.0 24.7 1. 0 2. 31 (1. 29-4 .12 ) 3.29 (1. 85-5.86) 4.60 (2.63-8.03) 1. 0 2 .15 (1. 20-3.85) 3.05 (1. 70-5.46) 4.05 (2.30-7 .14 ) 1. 0 2 .10 (1. 17-3.78) 2.89 (1. 60-5 .19 ) 3.76 (2 .12 -6.68) Model – adjusted...

Ngày tải lên: 08/08/2014, 16:23

Ngày tải lên: 07/07/2015, 22:39

Ngày tải lên: 06/08/2012, 15:04

Ngày tải lên: 07/08/2012, 09:57

Ngày tải lên: 07/08/2012, 11:22

... everything (14 ) (go) quiet The planes (15 ) (vanish) as suddenly as they (16 ) (appear) Smoke (17 ) (rise) from burning buildings A dead man (18 ) (lie) next to Harry, the first dead person he (19 ) (ever ... Units 11 and 12 for uses in expressing obligation For some speakers, shall is used in formal speech and in written language Previous unit Back Next Next unit Exercises Contents Advanced Language Practice ... It (10 ) (rain) solidly since our arrival and that night we (11 ) (end up) sleeping in the waiting room at a railway station Then the next morning as we (12 ) (ride) down a steep hill my bike (13 )...

Ngày tải lên: 07/08/2012, 12:40

... McLachlan pp 10 9; Julian Mosedale pp 12 , 39, 11 0, 12 3, 15 3, 17 6, 19 5, 217 , 225, 257; David Parkins pp 3, 42, 73; Martin Shovel pp 10 , 16 , 56, 70, 11 7, 14 7, 235, 285; Bill Stott pp 12 2; Kingsley ... Work 211 Vocabulary Business and money 215 Vocabulary People and relationships 219 Vocabulary 10 Social problems 223 Vocabulary 11 Entertainment 227 Vocabulary 12 Government and society 2 31 Vocabulary ... (10 ) (happen) to know that Susan (11 ) (dislike) Keith 'I can't stand people who never (12 ) (stop) apologising all the time!' she told me 'And besides, I know he (13 ) (deceive) poor Helen He (14 )...

Ngày tải lên: 07/08/2012, 14:24

... ………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………… Ngày ……… tháng ……… năm 20 01 T.S Quyền Huy nh NHẬN XÉT CỦA GIÁO VIÊN HƯỚNG DẪN ………………………………………………………………………………………………………………………………………………………………………… ... ………………………………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………… Ngày ……… tháng ……… năm 20 01 Th S Nguyễn Vinh Quan NHẬN XÉT CỦA GIÁO VIÊN DUYỆT ………………………………………………………………………………………………………………………………………………………………………… ... ………………………………………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………………………………………… … ngày ……… tháng ……… năm 20 01 ...

Ngày tải lên: 22/08/2012, 14:18

... từ 11 0 kv trở lên điện trở nối đất cho phép 0,5 Ω Với trạm có trung tính cách điện, điện áp 11 0 kv điện trở nối đất cho phép Ω Với trạm công suất bé (dưới 10 0kVA) điện trở nối đất cho phép 10 ... 8-6 chống sét ống gồm hai khe hở phóng điện S1 ,S2 khe hở S1 đặt ống làm vật liệu sinh khí fibrôbakêlit vinipơlát Khi có sóng điện qua điện áp sóng S1, S2 phóng điện Dưới tác dụng hồ quang, chất ... sét Nếu đường dây bảo vệ dây chống sét (DCS) toàn tuyến không cần đặt CSO 1, CSO dùng bảo vệ máy cắt vò trí cắt Với trạm – 10 kv bảo vệ thao sơ đồ đơn giản , không cần đặt DCS đoạn gần trạm mà cần...

Ngày tải lên: 23/08/2012, 13:17

... 14 Dây dẫn cân : Là dây dẫn dùng để nối cân 15 Sự phóng điện nguy hiểm : Là phóng điện phát sinh dòng Sét 16 Khoảng cách an toàn : Là khoảng cách tối thiểu mà không xảy phóng điện nguy hiểm 17 ... động phía nhanh cao kim loại thông thường 10 Quá trình phát đường dẫn Sét : Là tượng vật lý khởi đầu hiệu ứng Corona lan truyền đường dẫn Sét phía 11 Độ lợi thời gian tạo tia tiên đạo (∆T) : ... dùng nhà xưởng có điện trở nhỏ 0, 01 Ohm dùng thay dây dẫn Sét 18 Dây dẫn Sét : Là phần hệ thống chống Sét dùng để dẫn dòng Sét vào đất qua hệ thống nối đất 19 Điểm kiểm tra/đầu cách ly : Đầu...

Ngày tải lên: 25/08/2012, 11:28

... Apply the Check Constraint to the DateProcessed column so that the date is within 19 70- 01- 01 – ‘2005- 01- 01 and try to insert invalid data to see if SQL rejects d Apply Unique Constraint to ... ProcessedOrders where the date processed is ‘2002 -10 -04’ (use QA) Using Union to merge the two data set from Orders and ProcessedOrders into one data set (use QA) Apply Constraints (use EP or QA) ... the new table with the data selecting from Orders table Where DateProcessed is earlier than ‘2002 -10 -05’ (use QA) Using “Insert Into Select” statement to get the top record from “Orders” table and...

Ngày tải lên: 31/08/2012, 16:33

... CustomerID FROM Customers WHERE [Name]=@CustomerName) BEGIN SET @CustomerID= (SELECT Max(CustomerID) FROM Customers) SET @CustomerID=@CustomerID +1 INSERT INTO Customers VALUES(@CustomerID,@CustomerName) ... VALUES(@CustomerID,@CustomerName) If Exists(SELECT OrderID FROM [Orders] WHERE OrderID=@OrderID) BEGIN SELECT @Result =1 ROLLBACK TRANSACTION END Else BEGIN INSERT INTO [Orders](OrderID,ProductName,CustomerID) VALUES(@OrderID,@ProductName,@CustomerID) ... Else BEGIN If Exists(SELECT OrderID FROM [Orders] WHERE OrderID=@OrderID) BEGIN SELECT @Result =1 ROLLBACK TRANSACTION END Else BEGIN INSERT INTO [Orders](OrderID,ProductName,CustomerID) VALUES(@OrderID,@ProductName,@CustomerID)...

Ngày tải lên: 31/08/2012, 16:33