英语数词用法-PPT

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数词的用法1-2-ByJoana数词是什么?都在哪里出现呢?怎么读?怎么用?▐房门号,电话号码▐年份日期▐时间▐温度▐价格标签▐算术.....哈哈,还有我的工资....数词的用法-基数词&序数词▐数词:num.可对名词作修饰限定作业,用法跟adj.类似基数词:个数one,two,three序数词:顺序first,second,third▐基数词&序数词变化技巧基数词规则:十几-teen结尾;几十-ty结尾序数词规则:first(1st)second(2nd)third(3rd),其他基数词末尾加th第几十-变y为i+eth基数词序数词-简写基数词序数词-简写1onefirst1st12twelvetwelfth12th2twosecond2nd13thirteenthirteenth13th3threethird3rd14fourteenfourteenth14th4fourfourth4th15fifteenfifteenth15th5fivefifth5th16sixteensixteenth16th6sixsixth6th17seventeenseventeenth17th7sevenseventh7th18eighteeneighteenth18th8eighteighth8th19nineteennineteenth19th9nineninth9th20twentytwentieth20th10tententh10th21twenty-onetwenty-first21st11eleveneleventh11th22twenty-twotwenty-second22nd基数词序数词-简写基数词序数词-简写30thirtythirtieth30th70seventyseventieth70th40fortyfortieth40th80eightyeightieth80th50fiftyfiftieth50th90ninetyninetieth90th60sixtysixtieth60th100hundredhundred100th101onehundredandoneonehundredandfirst101st1000onethousandonethousandth1000th数字的读法▐0-99数字,参考表格读法▐100以上数字的读法:百和后面的数字之间要加and108读作:onehundred(and)eight132读作:onehundred(and)thirty-two▐1000以上数字的读法读的时候从右到左,每3个数为一个单位,分别对应thousand(千),million(百万),billion(十亿),trillion(兆);这些单位都没有复数形式不能加s。1,356,712,347数字读法练习+快速反应中文数字▐练习模板1.3972.54,3973.3,654,3974.21,483,654,397①87632②3257764③72787993214④7842903⑤45439251⑥87352045001.threehundredandninety-seven三百九十七2.fifty-fourthousand/threehundredandninetyseven五万四千三百九十七3.threemillion/sixhundredandfifty-fourthousand/threehundredandninetyseven三百六十五万四千三百九十七4.twentyonebillion/fourhundredandeighty-threemillion/sixhundredandfiftyfourthousand/threehundredandninety-seven二百一十四亿八千三百六十五万四千三百九十七小数点的读法▐小数点读成point▐小数点以后的数字可一个个分开读,有2位数也习惯一起读;0读成zero或O4.56读成fourpointfivesix0.45读成zeropointfourfive常识扩展:金额dollar美元,cent美分,符号$,1dollar=100centspound英镑,penny便士(复数pence),符号£,1pound=100penceeuro欧元,cent分,符号€,1euro=100centsyen日元(没复数),¥(一杠)RMB人民币¥(二杠)$2.20twodollars(and)twenty(cents)或twopointtwentydollars£5.30fivepounds,thirty(pence)或fivepointthirtypounds分数的读法▐表示几分之几:分数要先读分子,分子-基数词,再读分母-序数词,分子为2及以上的时候分母序数词要用复数1/5onefifth2/5twofifths3/4threequarters2*3/7twoandthreesevenths特例:1/2onehalf.1/4onequarter算式的读法▐加plus减minus乘multiply除divide等于equal▐运算演示:以下表达日常可能遇到,特做汇总,大家了解即可3+5=8threeplusfiveequal(s)eight.threeandfiveis/are/makeseight.9-7=2nineminussevenequal(s)two.sevenfromnineis/are/leavestwo.6*4=24six(multiplied)byfourequal(s)twenty-four.sixtimesfouris/are/make(s)twenty-fours.8/2=4eightdividedbytwoequal(s)four.twointoeightis/are/go(es)four.加法运算What'soneplustwo?▐运算演示:3+5=8方式一:threeplusfiveequalseight.▐运算练习:1.1+3=?2.4+7=?3.9+5=?4.12+3=?5.4+13=?6.11+21=?减法运算What'sthreeminusone?运算演示:9-7=2方式一:nineminussevenequalstwo.▐运算练习:1.4-1=?2.7-2=?3.9-5=?4.12-3=?5.13-4=?6.21-17=?乘法运算What'sonetimestwo?运算演示:6*4=24方式一:sixmultipliedbyfourequalstwenty-four.▐运算练习:1.4*1=?2.7*2=?3.9*5=?4.12*3=?5.13*4=?6.11*11=?除法运算What'stwodividedone?运算演示:8/2=4方式一:eightdividedbytwoequalsfour.▐运算练习:1.4/1=?2.7/2=?3.5/5=?4.12/3=?5.10/2=?6.21/7=?▐规则:国家代号-地区代号-具体号码分开读86-10-87654321▐特定地区的电话一般只有7位或者8位,习惯前三后四或者四个一组3513552读成351-355262501598读成6250-1598▐两个相同数字或者三个相同数字可以用double,triple2246555doubletwofour,sixtriplefive▐末尾出现3个零可以按“千”发音9796000ninesevenninesixthousand电话号码的读法年份&日期的读法▐年份:习惯以百位数和十位数为间隔,从左往右朗读794年seven(hundredand)ninety-four1800年eighteenhundred1999年nineteenninety-nine2004年twothousand(and)fourinthenineteen-twenties19世纪20年代1820s,1820's▐日期:英美式有点不同,注意以免混淆美式:4月30日月+日April30Aprilthirtieth或者Aprilthirty英式:4月30日日+月30(th)April或者thethirtiethofApril课程说明:▐因第1讲很多学生因为上课时间冲突没能参加,第2讲主要是对第1讲的复习巩固和补充;大家直接参考老师整理的第2讲PPT和录音补习即可,有任何不清楚的总结好,下次课咨询Joana老师.▐关于录音,10.24晚上会补传到各班级群里▐关于内容,这部分是常识,需要边理解边加强演练▐另下周四晚上7:00-8:30是《数词的用法》第3讲会对第1-2讲的内容进一步的复习巩固及练习,并进入到实际场景演练还原生活,听说读写练一起攻克,学以致用!!请互相转告不要错过!

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