... điện 125 Dạng 1: Máy phát điện động điện 125 Trang 1.1 Phương pháp giải chung 125 1.2 Bàitập máy phát điện động điện 125 1.3 Hướngdẫngiảigiải 126 Dạng ... ứng tức thời: π e = 12, 56sin 20π t (V) hay e = 12, 56cos 20π t − (V) 2 1 b Tại t = s e = 12, 56sin 20π = 12, 56 V 40 40 E c e = o = 6,28 V ⇒ 6, 28 = 12, 56sin 20π t ⇔ sin20π ... = Tổng trở đoạn mạch AN: Z AN = Rđ2 + Z C = 402 + 402 = 40 2Ω U oAN 120 = = 120 V 2 U 120 Số ampe kế: I A = I = AN = = ≈ 2 ,12 A Z AN 40 2 b Biểu thức cường độ dòng điện có dạng: i = I o cos (100π...
... to dance They used to take me to a dancing club where I would listen to the music and watch them danceoccasionally my stepmother, Mary, invited me to dance I also met my wife, Charlotte, in a dancing ... Laura in my arms, and dance her around the room! Our family danced a lot My daughters, Laura and Anne, and I continued to dance on every occasion One favorite memory I have of dancing with Laura ... also d is also calling 49 a educate b educative c educator d education 50 a develop b to develop c developed d developing TEST Choose the word which is stressed differently from the rest a expression...
... 12 As for me, I consider reading important part of life a an / Ø b the / a c Ø / the d ... books, or only our favorite newspapers every morning, or only one magazine for which we have developed a preference And the trouble starts here You should neither read only for entertainment nor ... programming, perhaps as a babysitter More than two hours of TV time per day are now a part of children development, generating physiological and mental problems that are of growing concern among experts...
... species is a population of an organism which is at risk of becoming extinct a dangerous b endanger c endangered d endangerment 58 Only a few of the many species at risk of extinction actually make ... of endangerment Pollution has seriously done harm (50) _ number of terrestrial species, although species living in freshwater and marine ecosystems are also suffering 41 a development b endangerment ... of endangerment Pollution has seriously done harm (50) _ number of terrestrial species, although species living in freshwater and marine ecosystems are also suffering 91 a development b endangerment...
... see) her for a long time A: I (not can) remember when I last (see) her 12 11 My brother (join) the army when he (be) young 12 Mr Jackson (paint) his house since last month 13 Columbus (discover) ... people drive _ than younger people? a slow b slower c more slow d more slowly They all dance well, but John dances _ a better b more good c the better d the best Your computer is more expensive ... letter I (need) _ to know how many stamps to put on it 18 A: I (think) _ this road is really dangerous Look how fast that lorry (go) _ B: I (agree) _ People shouldn’t go so fast 19 A:...
... gentle / impolite Probably the most common ways of attracting someone’s attention is by _ A dancing B singing C yelling D waving We might raise our hand and wave to our friend as a _ that ... person or thing you want your friend to look at A take notice of B mention to C look at D point at 12 In most situations, pointing at someone is usually considered to be _ A polite B impolite ... schoolya rd A B C D 11 You should say “You’re welcome!” when someone says “Sorry!” to you A B C D 12 People can use different forms of communication; for examination, verbal and nonverbal forms...
... make up of method methodically thuộc phương pháp methodical cư xử tốt well-behaved struggle đấu tranh to struggle statistic statistically môn thống kê statistics disruption disruptively to disrupt ... starts D departs / starts In England, each term _ by a one-week break called half term 7 10 11 12 13 14 15 16 17 18 19 20 A divides B educates C puts into force D is separated An academic year ... Vietnamese students have to study more _ than those of twenty years ago to keep pace with the developments of modern society A substitute B subjects C subways D subjunctives The _ year in Vietnam...
... _ change planes A could not have to B will not have to C had not had to D would not to have to 12 _ here, he would help us with these troubles A Were Peter B If were Peter C Unless were Peter...
... ask for help 123 He was dismissed because of his laziness A employed B sacked C offered D appointed 124 Marilyn Monroe was very in 1960s A fame B famous C famously D famousness 125 That car ... D hoping to improving 121 She likes meeting people and travelling so she wants to apply for a _ of a receptionist or tourist guide A location B position C site D word 122 There was no one ... surprise B surprised C surprising D surprisingly 126 Most of teenagers are ill-prepared for A employer B employment C unemployed D employee 127 Passing the exam with high grade was beyond...
... economy was and was dominated by traditional agriculture A over-developing B super-developing C out-developed D underdeveloped 16 Before “Đổi Mới”, our country was and the people led a ... years, we have seen the significant in the economy of our country A develop B developments C developers D developed 34 Henry was a studious student He needed no to work hard A encourage ... renovation B economy C inflation D development 10 A strike in the mining industry is threatening to bring about a shortage of coal in the near future A redundant B ruin C storage D lack 11 The Vietnamese...
... hard _ tienganh hongngu3@gmail com DĐ: 0916829468 Trang GV: Huỳnh Quang Minh Tuấn BÀITẬPTIẾNGANHLỚP 12CTC 39 He is very rich, but he isn’t very happy ... WRITING _ tienganh hongngu3@gmail com DĐ: 0916829468 Trang GV: Huỳnh Quang Minh Tuấn BÀITẬPTIẾNGANHLỚP 12CTC John applied for the job even though he has ... is the most important measure to be taken to promote the development of a country A Economical => economic B measure C be taken D development Some people think Harry succeeded in business in spite...
... closest friend We are always willing to _feelings to each other A tear B cut C share D shake 12 My family is the base from which we can go into the world with _ A confide B confidence C...