七年级英语下册Unit1DreamHomesGrammar课件（新版）牛津版.ppt

Unit1,Unit1Dreamhomes,Grammar,Howoldareyou?Howmanyfamilymembersarethereinyourfamily?Howmanystudentsarethereinyourclass?Whatsyourfavouritenumber?Whatisyourtelephonenumber?,Talkingaboutnumbersfreely.,A.Cardinalnumbers(基数词),Whatnumberisitlike?,Itlookslikeazero.,Presentation,HowdowereadthesenumbersinEnglish?,100,onehundred,200,twohundred,1,000,onethousand,3,000,threethousand,1,000,000,onemillion,4,000,000,fourmillion,1,000,000,000,onebillion,TheCNTowerisover1,500feettall.,overprep.超过footn.足;英尺(pl.feet),1foot=0.3048metre,metre(=meter)n.米，公尺,TheTiananmenSquarehasanareaofabout440,000squaremetres.,squaren.广场;正方形adj.平方的arean.面积,zeronum.零hundrednum.百thousandnum.千millionnum.百万footn.(pl.feet)足；英尺squaren.广场adj.平方的metren.米，公尺arean.面积overprep.超过,Newwords,12345678910,onetwothreefourfivesixseveneightnineten,11121314151617181920,eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwenty,2130405060708090100,twenty-onethirtyfortyfiftysixtyseventyeightyninetyonehundred,1,000onethousand10,000tenthousand100,000onehundredthousand1,000,000onemillion,Howdowesaythefollowingnumbers?,4,056fourthousandandfifty-six23,813twenty-threethousandeighthundredandthirteen,567,110fivehundredandsixty-seventhousandonehundredandten6,425,200sixmillionfourhundredandtwenty-fivethousandtwohundred,9305004607,ninebillionthreehundredandfivemillionfourhundredthousandsixhundredandseven,Findouttherule!,Simoniscollectingsomeinformationaboutdifferentcountries.Helphimreadthenumberscorrectly.,Learningaboutdifferentcountries,1.Peoplefromabout180countriesandareasliveinNewYork.大约有来自180个国家和地区的人们生活在纽约。2.TheCNToweris1,815feettall.加拿大国家电视塔有1,815英尺高。3.RedSquareinMoscowisabout91,000squaremetresinsize.莫斯科的红场面积大约91,000平方米。,4.Francehasanareaofover260,000squaremiles.法国有260,000多平方英里的面积。5.Thereareabout8,000,000peoplelivinginLondon.大约有8,000,000人生活在伦敦。6.Tokyo,thecapitalofJapan,hasover13,000,000people.日本的首都东京有13,000,000多人口。,Weuseordinalnumberstoorderthingsandevents.Weusethemtotalkaboutdates,floors,positions,etc.,B.Ordinalnumbers(序数词),WomensDayisontheeighthofMarch.,Ourflatisontheseventhfloor.,Heisalwaysthefirsttocometoschoolinourclass.,onetwothreefourfivesixseveneightnineten,firstsecondthirdfourthfifthsixthseventheighthninthtenth,基数词序数词,eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwenty,eleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth,基数词序数词,twenty-onethirtyfortyfiftysixtyseventyeightyninetyonehundred,twenty-firstthirtiethfortiethfiftiethsixtiethseventietheightiethninetiethonehundredth,基数词序数词,基变序，很容易；1,2,3特殊记;8去t,9去e;ve要用f替；ty变成tie.,Rules,Simonwantstotellhisclassmateswherehisfriendslive.Lookatthebuilding.Completethesentenceswiththecorrectfloornumbers.,1.Elsalivesonthe_floor.2.Ivanlivesonthe_floor.3.Marylivesonthe_floor.4.Peterlivesonthe_floor.5.Rickylivesonthe_floor.6.Wilsonlivesonthe_floor.,seventh,fifteenth,fourth,second,ninth,twelfth,一、基数词用法1.基数词在表示数量时与表示编号、号码时的读法不一样。,数字：87,300,005读作：eighty-sevenmillionthreehundredthousandandfive电话号码：82772906读作：eighttwosevenseventwoninezerosix,2.hundred,thousand,million有不加s和加s两种情况：Ihavetwohundredbooks.(不可加s)我有两百本书。Ihavehundredsofbooks.(必须加s)我有数百本书。,二、序数词用法1.表日期：thefifthofJune(=Junethefifth)6月5日2.表顺序或编号：thesecondlesson(=LessonTwo)3.序数词常与the连用，但以下两种情况不用the：,(1)作副词。如：Heoftencomesfirst.Youmustfinishyourhomeworkfirst.(2)前面有限定词(如形容词性物主代词名词所有格)时，不可再用the。如:Itsmyfirsttimetogotocinema.,1.Doyouliveonthe_(nine)floor?2.NextFridayismyfathers_(forty)birthday.3.Wewillhavethe_(five)lessonnextweek.,Completesentenceswiththecorrectformsofthewordsgiven.,Exercise,ninth,fortieth,fifth,4.Thereareeight_(hundred)studentsinourschool._ofthemc