practice exercise set 3
ORGANIC CHEMISTRY I – PRACTICE EXERCISE doc
... CH3 1) CH3 ethanol CH3 + CH3 D Br CH3 CH3 2) rearrangement CH3 CH3 H3C H CH3 CH3 3) HOCH2CH3 CH3 + H2OCH2CH3 2) In questions and 3, only the proton trans to the leaving group can eliminate CH3 ... product) CH3 I CH3 CH3CH2O Saytzeff's product CH3 H3C O CH3 CH2 Hoffman's product 7) III, IV, and V 8) In elimination reactions, the most highly substituted alkene predominates 9) H CH3 H3C CH3 10) ... product by IUPAC rules? H3C H3C NaOCH3 H H CH3OH H3C H3C Cl 13) Strong base and bulky substrate favor E2 with preferential formation of Saytzeff’s product NaOCH2CH3 Cl CH3CH2OH 14) Weak nucleophile...
Ngày tải lên: 22/03/2014, 14:20
Practice exercise (U7 and U8) pps
... 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/) garden behind 33 (a//the/an) house 34 (The/A/An/) garden is full of flowers ... would like to have 35 (an//a/the) garden like that in my future house 36 I’ve heard that she is going to get married a very rich businessman next week A with B to C for D by 37 .He is very famous ... 37 .He is very famous designing big bridges A by B with C for D in 38 Myboss is going business this weekend A for B on C to D at 39 They used to go to work foot but now they travel bike A by/on...
Ngày tải lên: 27/07/2014, 22:21
PRACTICE EXERCISE (U4-U7) docx
... V/ Tìm sửa lỗi sai câu sau 32 If you had sent the application form on time, you would be well qualified for the interview last Sunday had sent B would be C on time 33 They didn't eat anything ... hungry A B C D D last Sunday 34 Although the bad condition of the house, they enjoyed living there A B C D 35 Yesterday I met the man whom daughter is my classmate A B C D 36 They decided to buy the ... A run B ran C would run D will run 30 ."What happened to the old mail carrier?" "He to a new neighborhood to work." A has sent B was send C was sent D sent 31 Gold in California in the 19th...
Ngày tải lên: 28/07/2014, 01:20
PRACTICE EXERCISE ON PHONETICS ppsx
... program Key for practice exercise on phonetics 1B 11A 21D 31 B 41C 51.D 61D 71C 81B 91C 2B 12A 22A 32 A 42A 52.D 62B 72A 82B 92B 3A 13C 23C 33 D 43B 53. B 63C 73D 83D 93A 4C 14D 24B 34 D 44B 54.A 64A ... 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 99 100 A A A A A A ... 94A 5A 15A 25D 35 A 45A 55.C 65D 75C 85C 95D 6.A 16B 26C 36 B 56B 56.A 66B 76D 86B 96D 7A 17A 27B 37 A 47C 57.D 67A 77B 87C 97D 8C 18B 28C 38 C 48D 58.B 68C 78C 88A 98C 9B 19D 29A 39 B 49A 59.B 69D...
Ngày tải lên: 05/08/2014, 11:21
Practice Exercise of Tenses 1
... married for 20 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)...
Ngày tải lên: 13/11/2015, 07:33
Aristotle GMAT Critical Reasoning Practice Set - 1
... 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 43 44 45 ... increased substantially during the first five decades of the 130 0s until the deadly bubonic plague decimated the population of France after 134 8 23 Rhizobium bacteria living in the roots of bean plants ... novel in question must be set in a city the book reviewer knows well (C) Peter Lee's first novel was set in San Francisco (D) The book reviewer does not trust any novel set in a city that she does...
Ngày tải lên: 20/09/2013, 22:16
UNIT 16(cont) :Practice and exercise - PASSIVE VOICE
... watched by Lan - Were sold by Walt Disney IV HOMEWORK: - Revise the Passive Voice - Do exercises 2 ,3 Text book, page 131 ... BY + O Ex: Active: The cat catched the mouse S V O The mouse was catched by the cat II EXERCISES: Exercise 1: Choose the correct passive sentences: My father bought this house in 1998 A This ... II EXERCISES: They don’t use this road very often A A This road isn’t used very often ( by them) B This road wasn’t used very often ( by them) C This road don’t used very often ( by them) II EXERCISES:...
Ngày tải lên: 15/07/2014, 15:00
Exercise for Practice 1 pdf
... Câu 32 : Susan is looking for something A eat B to eating C to eat Câu 33 : your homework finished last night? A Was B Did C Are Câu 34 : It a lot this week A rains B raining C rained Câu 35 : ... Every day I spend 30 minutes watering the flowers A Every day it takes me 30 minutes water the flowers B Every day it takes me 30 minutes to water the flowers C Every day it took me 30 minutes water ... C working Câu 36 : I'm sure Bill the job He has a lot of experiences A was getting B getting C had got Câu 37 : If I were you, I a new car A will buy B bought C would buy Câu 38 : We need more...
Ngày tải lên: 27/07/2014, 10:20
Báo cáo y học: "Association of Adiposity, Cardiorespiratory Fitness and Exercise Practice with the Prevalence of Type 2 Diabetes in Brazilian Elderly Women" pot
... 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 (1.21 -3. 58) - - 1.0 ... type Diabetes according to cardiorespiratory fitness and exercise practice groups T2D (%) CRF (m) > 490.2 431 .1-490.1 33 0.9- 431 .0 < 33 0.8 EPA Active Inactive Model OR (95%CI) Model OR (95%CI) ... 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
IELTS for Academic Purposes-6 Practice Tests with Key.pdf
Ngày tải lên: 06/08/2012, 15:04
advanced language practice.pdf
... go to this help text Buttons in exercises: - check - check whether your answers are correct >>>>> Next Contents Advanced Language Practice Exit Help >>>>> You can exercises with radio buttons, ... unit - go to the previous unit; - next unit - go to the next unit; - explanation/exercises - go to the explanations/exercises of the unit; - contents - go to the contents (from wich you can go to ... Contents Advanced Language Practice Exit Help On every page you can see some buttons, that will help you to navigate and exercises Navigation buttons: - back - go to the...
Ngày tải lên: 07/08/2012, 12:40
Advanced Language Practice.pdf
... McLachlan pp 109; Julian Mosedale pp 12, 39 , 110, 1 23, 1 53, 176, 195, 217, 225, 257; David Parkins pp 3, 42, 73; Martin Shovel pp 10, 16, 56, 70, 117, 147, 235 , 285; Bill Stott pp 122; Kingsley Wiggin ... 10 Social problems 2 23 Vocabulary 11 Entertainment 227 Vocabulary 12 Government and society 231 Vocabulary 13 VI Phrasal verbs Give away to put up with Health and the body 235 CONTENTS Vocabulary ... mentioning the agent 33 Grammar Passive Have and get something done, need doir, Passive get Reporting verbs Verbs with prepositions Common contexts for the passive 40 iii ADVANCED LANGUAGE PRACTICE Grammar...
Ngày tải lên: 07/08/2012, 14:24
Tìm hiểu về sét.DOC
... rộng thêm kiến thức C- PHẦN LIÊN HỆ : Người nghiên cứu sử dụng số bảng tra cứu đề tài như: Bảng số 3: ”Số ngày dông trung bình năm số đòa phương Việt Nam” Bảng số 4, “ Giá trò điện trở suất số loại ... (cốt thép bê tông, khung nhà thép ) mà dùng thay phần hay tất dây dẫn Sét phần dẫn Sét bổ sung 13 Thanh nối cân : TRANG ĐỒ ÁN TỐT NGHIỆP Là kim loại dùng để nối tất thành phần kim loại tiếp xúc ... dòng Sét vào đất 22 Điện trở hệ thống nối đất : Là điện trở điểm kiểm tra hệ thống nối đất đất 23 Thiết bò chống điện áp xung : Là thiết bò giới hạn điện áp xung gây dòng Sét 24 Quá điện áp độ...
Ngày tải lên: 25/08/2012, 11:28
SQL Server 2000 Exercise 1: Advanced Query
... 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) a.Apply the Primary Constraint...
Ngày tải lên: 31/08/2012, 16:33
Bài tập thực hành Exercise
... Exists(SELECT CustomerID FROM Customers WHERE [Name]=@CustomerName) BEGIN SET @CustomerID= (SELECT Max(CustomerID) FROM Customers) SET @CustomerID=@CustomerID+1 INSERT INTO Customers VALUES(@CustomerID,@CustomerName)...
Ngày tải lên: 31/08/2012, 16:33