0

chủ đề 6 cho biết v0max và a tìm điều kiện của hiệu điện thế uak để không có dòng quang điện i 0 hoặc không có một eℓectron nào tới anốt

Business grammar and practice A2 B1 Collins

Business grammar and practice A2 B1 Collins

TOEFL - IELTS - TOEIC

... Question Tags 62 64 66 68 70 72 74 76 Verbs Unit 39 Unit 40 Unit 41 Voice Active I make Passive It is made Active vs Passive I m ake/lt is made 78 80 82 Verbs - Other Unit 42 It Is/They Are vs ... departure gate w ait 12 .00 plane read 2 .00 plane have lunch 5 .00 m eeting At 10. 30 Sally was at the airport She was checking in give a presentation Transfer Make sentences about yo urself o r a ... sim ple to ta lk about an activity at a definite tim e in the past: We started the business about a yea r ago He bought the company in 200 1 for $ billion Last year he joined the company as m arketing...
  • 208
  • 2,148
  • 14
Reported speech- grammar and practice exercises

Reported speech- grammar and practice exercises

Ngữ văn

... EXERCISE II : Change to the reported speech: 1/ Mr Smith said: “Where are you going on your vacation this year?” - _ 2/ She said: “Did the mechanic finish repairing ... - She said to me : “Do you like swimming ?” _ She asked me if I liked swimming - Tom said : “Has she finished her home work ?” _ Tom wanted to know if she had finished her homework - He asked ... said to his secretary: “Who did you talk to a few minutes ago ?” - _ 10/ Paul said: “Can you swim, Mary?” - _ 11/ He said: “Where can I...
  • 6
  • 3,778
  • 27
Transdermal and Topical Drug Delivery Principles and Practice doc

Transdermal and Topical Drug Delivery Principles and Practice doc

Kỹ thuật lập trình

... thermodynamic potential II In vitro-in vivo correlation of percutaneous nifedipine transport J Pharmaco-Biodyn 1987; 10: 66 2 66 8 53 Raghavan SL, Trividic A, Davis AF, Hadgraft J Crystallization of ... skin Silicone and human skin Silicone Pig ear and silicone Pig ear Silicone Silicone Silicone and human skin Silicone and human skin Silicone and human skin (occluded) Rabbit Membrane Piroxicam ... morphological changes in facial skin with aging (II) J Soc Cosmet Chem Japan 1989; 23: 22– 30 39 Shriner DL, Maibach HI Regional variation of nonimmunologic contact urticaria Functional map of the human...
  • 448
  • 457
  • 0
English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English doc

English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English doc

Kỹ năng nói tiếng Anh

... have a bath /a shower /a swim /a rest /a party /a holiday /a nice time etc have an accident/an experience /a dream etc have a look (at something) /a chat (with somebody) have a baby (= give birth to a baby) ... necessary have lunch have a swim have a nice time have a chat have a cigarette have a rest have a good flight have a baby have a shower have a party have a look I don't eat much during the day I ... half an hour when it started to rain I had arranged to meet Tom in a restaurant I arrived and waited for him After 20 minutes I suddenly realised that I was in the wrong restaurant I - for 20...
  • 508
  • 1,046
  • 6
.AdvancedLanguage Practicewith keyMichael Vincewith Peter SunderlandEnglish Grammar and ppsx

.AdvancedLanguage Practicewith keyMichael Vincewith Peter SunderlandEnglish Grammar and ppsx

Tài liệu khác

... portrait was painted by an Italian The portrait is known to have been painted by an Italian • Continuous infinitive Past and present continuous infinitives are also used Mary is thought to be living ... of their engagement appeared in the local paper Their engagement in the local paper i) Nobody ever heard anything of David again Nothing David again j) They paid Sheila £1 ,00 0 as a special bonus ... Paula's flight is bound to be late although A it arrives at 6. 00 B it's due at 6. 00 C it's arriving at six c) It's no use phoning Bob at the office, he A will be leaving B is leaving C will have left...
  • 336
  • 804
  • 1
Grammar and Vocabulary practice.pdf

Grammar and Vocabulary practice.pdf

TOEFL - IELTS - TOEIC

... motorway between Athens and _ Salonica Hyde Park is malaria is the a biggest park in London disease carried by mosquitoes Every year swimmers attempt to swim across an Ibiza is It has been a island ... went fishing with his father • an action that was in progress at a definite time in the past This time last Friday, I was flying to London • actions happening at the same time in the past While ... on the beach!" @ will be lying c will have lain Mark about my cooking! It's so annoying! a has always complained b was always complaining @ is always complaining Sue d will have arrived TV when...
  • 201
  • 7,001
  • 19
05 present and practice grammar

05 present and practice grammar

Anh ngữ phổ thông

... teaching grammar This attitude comes from a humanistic approach to language learning in which it is believed that affective (emotional) factors as just as important as cognitive factors It is probably ... for i) I have been to America and for ii) She has lived in Lima for years Your mark British Council, Bogotá 20 06 21 ICELT distance unit Grammar presentation & practice PRACTISING AND PRESENTING ... I start living in Cali? S3 One year ago T Good I have been living in Cali for a year now’ Am I still living in here in Cali?’ Ss Yes T Obviously! ‘For a year now.’ I started living in here a...
  • 36
  • 401
  • 0
Longman-Grammar and Vocabulary for Cambridge Advanced and Proficiency (2)

Longman-Grammar and Vocabulary for Cambridge Advanced and Proficiency (2)

Ngữ pháp tiếng Anh

... agents; verbs with two objects; limitations of as si ve OVERVIEW and reasO1ls for using, the passive Formt - Passive and infinitive Infinitives after certain passive verbs; passive infinitives; report ... sentence using a different beginning Example: Multiple choice In Section A, there are twenty-five multiple choice vocabulary items in a question like this example: that it is as similar as possible ... though, many may come to mourn its (1 5) 10 11 12 13 14 15 A A A A A A A A A A A A A A A flies increase latest exact al1 done flourished game curtailed vivid above-mentioned given comprises...
  • 288
  • 1,803
  • 23
Longman-Grammar and Vocabulary for Cambridge Advanced and Proficiency

Longman-Grammar and Vocabulary for Cambridge Advanced and Proficiency

Kỹ năng nói tiếng Anh

... agents; verbs with two objects; limitations of as si ve OVERVIEW and reasO1ls for using, the passive Formt - Passive and infinitive Infinitives after certain passive verbs; passive infinitives; report ... sentence using a different beginning Example: Multiple choice In Section A, there are twenty-five multiple choice vocabulary items in a question like this example: that it is as similar as possible ... though, many may come to mourn its (1 5) 10 11 12 13 14 15 A A A A A A A A A A A A A A A flies increase latest exact al1 done flourished game curtailed vivid above-mentioned given comprises...
  • 288
  • 1,305
  • 11
R Side G Wellman (Longman) Grammar and Vocabulary for Cambridge Advanced and Proficiency

R Side G Wellman (Longman) Grammar and Vocabulary for Cambridge Advanced and Proficiency

Ngữ pháp tiếng Anh

... agents; verbs with two objects; limitations of as si ve OVERVIEW and reasO1ls for using, the passive Formt - Passive and infinitive Infinitives after certain passive verbs; passive infinitives; report ... sentence using a different beginning Example: Multiple choice In Section A, there are twenty-five multiple choice vocabulary items in a question like this example: that it is as similar as possible ... though, many may come to mourn its (1 5) 10 11 12 13 14 15 A A A A A A A A A A A A A A A flies increase latest exact al1 done flourished game curtailed vivid above-mentioned given comprises...
  • 288
  • 1,104
  • 5
IELTS reparation And Practice

IELTS reparation And Practice

Ngữ pháp tiếng Anh

... activities rock climbing swimming cycling cliff walks boating hunting horse riding scuba diving bird-watching 12 Copy the letter for the area of the map (A- F) and the activity against to 11 in ... foreign students, Lisa is their tutor D 29 Lisa is a lecturer, Olaf and Sasha are students Lisa is a local student, Olaf and Sasha are foreign students What does Lisa think of Sasha's last seminar ... seminars, or (18) class participation…, as in language courses Copy the letter for the area of the map (A- F) and the activity against 25 and 26 in any order 25 F bird-watching 26 E swimming Complete...
  • 103
  • 635
  • 3
Preparation And Practice

Preparation And Practice

Ngữ pháp tiếng Anh

... following questions The written instructions in the Listening booklet are always given in italics Important aspects of the instructions are also in BOLD ITALIC CAPITALS The instructions in the Listening ... tutor D Lisa is a local student Olaf and Sasha are foreign students 29 What does Lisa think of Sasha's last seminar paper'' A it was like a lecture B it was professional C it was rather boring D ... letter A, B C or D 28 Who are Lisa, Olaf and Sasha^ A Lisa is a lecturer Olaf and Sasha are students B they are all first year foreign students C Olaf and Sasha are foreign students Lisa is their...
  • 102
  • 578
  • 1
501 Grammar and Writing Questions

501 Grammar and Writing Questions

Trung học cơ sở - phổ thông

... Lee lacocca, being the son of Italian immigrants, c As he was the son of Italian immigrants, Lee Iacocca d The son of Italian immigrants, Lee Iacocca e Lee Iacocca, the son of Italian immigrants, ... against the predictions of many financial analysts, d Contrasting of many financial analysts' predictions, e Contrary with what many financial analysts predicted, 1 96 A standardized extract made ... material and information, please visit Tai Lieu Du Hoc at www.tailieuduhoc.org Page i LEARNINGEXPRESS SKILL BUILDERS PRACTICE 501 Grammar and Writing Questions For more material and information,...
  • 180
  • 1,012
  • 3
501 Grammar and Writing Questions

501 Grammar and Writing Questions

... show is a passive behavior Playing a computer game is an interactive one a Watching a TV show is a passive behavior, or playing a computer game is an interactive one b Watching a TV show is a passive ... your choice, or in combination with the LearningExpress publication, Writing Skills Success in 20 Minutes a Day—will give you practice dealing with capitalization, punctuation, basic grammar, ... canal a Having several cavities filled during a dental appointment is definitely unpleasant, so it is not as unpleasant as having a root canal b Having several cavities filled during a dental appointment...
  • 152
  • 628
  • 8

Xem thêm