外研版八年級上冊課件2 2教學unit 3

Unit3LanguageinuseModule9PopulationThereisapolicemanatthedoor.Thereisaboxintheroom.Theboxisheavy.Igotaletteryesterday.Theletterwasfrommysister.Imetanoldmanatthegate.ThisisthemostinterestingbookIhaveeverread.HecomesfromtheUnitedStatesofAmerica.Readthefollowingsentences.Articles冠詞

冠詞是放在所說明的名詞之前的詞,說明名詞所指的人或事物,是虛詞。冠詞分為定冠詞和不定冠詞兩種,不定冠詞是a和an、定冠詞是the。1)泛指某一類人、事或物；相當于any，這是不定冠詞a/an的基本用法。一、在如下幾種情況中,常用不定冠詞。Ahouseisausefulanimal.

馬是一種有用的動物。2)表示“一”這個數(shù)量,但數(shù)的概念沒有one強烈。如:Ihaveanewwatch.

我有一塊新手表。3)指某人或某物,但不具體說明是何人或何物。如:Amanistalkingwithyourfatheroutsidethegate.

一名男子正在大門外同你父親談話。4)表示“每一”，相當于every.如:Igotoschoolfivedaysaweek.

我一周上五天課。6)用在某些固定詞組中：alot(of)許多，大量；afterawhile過一會兒

Letmehavealookatyourbook.

讓我看看你的書。5)用在序數(shù)詞前，表示“又一”，“再一”。如:Ihavethreebooks.Iwanttobuyafourthone.

我有三本書，我想買第四本。二、在如下幾種情況中,常用定冠詞。1)定冠詞the常用來特指某(些)人或某(些)事物。如:NewYorkisnotthecapitalofAmerica.

紐約不是美國的首都。2)用在序數(shù)詞及形容詞的最高級之前。如:Thethirddressthatheboughtisthemostexpensiveinthisstore.

他買的第三條裙子是這家商店里最貴的。3)用在姓氏復數(shù)之前,表示一家人。如:TheGreenswillmovetoAustralianextyear.

格林一家明年將搬到澳大利亞。4)用在世界上獨一無二的事物前。如:TheSunismuchbiggerthantheEarth.

太陽比地球大得多。5)用在某些形容詞前,表示一類人。如:Therichshoulddosomethingtohelpthepoor.

富人應當做些事以幫助窮人。6)用在表示方位的名詞前。如:DalianisinthenorthofChina.

大連在中國的北部。7)用在由普通名詞構成的專有名詞前。如:HaveyoueverbeentotheSummerPalace?

你去過頤和園嗎？8)用于某些固定詞組中。如:Bytheway,howisyoursister?

順便問一下,你姐姐好嗎？9)用于指代上文提到的人或事物。如:Ifoundabookonthefloor.IthinkthebookisTom’s.

我在地上發(fā)現(xiàn)一本書，我想這本書是湯姆的。10)用于表示樂器的名詞前。如:

Mybrotherdoesn’tlikeplayingthepiano.

我哥哥不喜歡彈鋼琴。零冠詞

零冠詞是指名詞前面沒有不定冠詞、定冠詞,也沒有其他限定詞的現(xiàn)象。在如下幾種情況中,常用零冠詞：1)在表示類別的不可數(shù)名詞或復數(shù)可數(shù)名詞前。如:

Itisnecessarytodrinkwaterafteryoudoexercise.

運動后喝水是必要的。

Myfatherandmotherarebothdoctors.

我的爸爸和媽媽都是醫(yī)生。2)名詞前已有物主代詞或指示代詞時,一般不加冠詞。如:ThisismycatwhosenameisMimi.

這是我的貓,它的名字叫咪咪。3)非普通名詞構成的專有名詞前一般不加冠詞。如:Tian’anmenSquareisinthecentreofBeijing.

天安門廣場在北京市中心。4)表示一日三餐、球類和棋類前一般不加冠詞。如:Wehadsupperafterplayingfootballyesterday.

昨天我們踢足球后吃的晚飯。5)在稱呼或表示頭銜和職務的名詞前一般不加冠詞。如:ThisisProfessorLiu,ourEnglishteacher.

這位是劉教授,我們的英語老師。6)在學科名稱前。如:Englishisanimportantsubject.

英語是一門重要的學科。7)在某些固定詞組中。如:Igotoworkbybuseveryday.

我每天乘公交車上班。PracticeWritethewordswitha,an,noarticle(/)orinpluralform.1.There’snoairorwateron____moon.2.___YellowRiveris___secondlongestriverin___China.3.Mymotherboughtme___verynicebike.Ilike____bikeverymuch.

theThe

theathe/4.XiaoMinglikesplaying____basketball,buthedoesn’tlikeplaying_____piano.5.Thestudentsdon’thaveclassesin___afternoonon____Saturday.6.IoftenwatchTVin____evening.7.Let’sgooutfor____walk.8.Whatwouldyoulikeforlunch,__coffeeor____milk?the/thea//the/9.Youdropped____“u”and____“s”inthisword.10.Thereis____penonthedesk._____penismine.11.Ilikeplaying_____basketball,butIdon’tlikeplaying_____piano.anaThea×the12.Hedrovethecaratthespeedofeightykilometers_____hour.13.IthinkEnglishis_____usefulsubject.Doyouthinkso?14.Hehad_____appleand_____glassofmilkfor______supper.anaana×15.—Whois_____boy?—Heismy____bestfriend.16.DoesBobcomefrom_____USAor_____Australia?17.Lindaworksin_____hospital.Hersisterworksin______samehospital.18.Howdoyougotowork,by_____busoron_____foot?××thethe×athe×Writea,anorthewherenecessary.Minais____eighteen-year-oldgirl.She’sgot___brotherand___sister.Minais____oldestchildin___family.Shelivesin_____verybigcity._____populationismorethan10million.Shehas____jobin_____hotel.Shehopesthatonedayshewillhave____chancetogoto____school.anaathetheTheaaa/a[中考鏈接]()1.Cindyis_____

amazingsinger.Shehaslotsoffans.(2010.河北省)A.a B.an C.the D.不填()2.—WhydoyoulikeMary?—Becausesheis______honestgirl.(2010湖南省婁底)A.a

B.an

C.theBB

()3.Jennyis______American.Sheworksin_____companyinChinanow.(2010四川省內(nèi)江)A.an;a B.an;the C.a;an()4.—Whatwouldyoulikefor_______breakfast,Mr.Green?—Twopiecesofbreadand_______cupoftea,please.(2010四川省自貢)A.a;the B./;a C./;theAB()5.Avatar（阿凡達）issuch________wonderfulsciencefictionmoviethatIwanttoseeit_____secondtime.(2010山東省濰坊)A.a,a B.a,the C./,the D./,a()6.Thereis_________localshopforpeopletobuydailythingsinthesmallvillage.(2010江蘇省南京)A.a B.an C.the D.不填AA()7.Manypeoplethinkthat2012isoneof_______mostsuccessfulfilms.(2010浙江省衢州)A.aB.an C.the D.不填()8.Ifyougobytrain,youcanhavequite______comfortablejourney,butmakesureyoutake_____fastone.(2010江蘇省無錫)A.a;a B.the;a C.the;the D.不填;aCA()9.Thisis______story-book.ItwaswrittenbyYangHongying.(2011湖南株洲)A.the B.a C.an()10.—Becareful!Thereis_____doglyingontheground.—Thanksalot.(2012貴州銅仁)A.a B.an C.the D./BA()11.Billlikesplaying_____basketball,buthedoesn’tlikeplaying_____piano.(2012甘肅雞西市)A.the,theB./,the C.the,/()12.______GreensarepreparingforthecomingThanksgivingDay.(2012廣東)A./ B.A C.An D.TheBD()13._______newbridgehasbeenbuiltover______ChangjiangRiverinHuangshi.(2012湖北黃石)A.The;aB.A;theC.A;\D.An;the()14.Thereis _____oldbridgenearmyhouse.(2012湖南永州)A.a B.an C.theBB()15.Marywasbornin1998andshebegantoplay_______guitarattheageofseven.(2013長沙) A．a(chǎn) B．不填 C．theC()16.A:Ienjoyedtheperformanceverymuch.B:Yes,itwasreallygood.Ithink________boyinwhitewasthebestactor.(2013廣州)A.aB.anC.theD./CWorkinpairs.Matchthecountrieswiththeirpopulations.ChinatheUSAustraliaNewZealand4,437,00022,956,000314,791,0001,370,537,000Listenandcheckyouranswers.Listenandchoosethebestsummary.It’scheapertoshareacarthantohaveapersonalcar.Peopleinacarclubdonotoftentakebuses,trainsortheunderground.TherearenocarclubsintheUS.Joiningcarclubsisgoodforyouandforthecity.dListenagainandchoosethecorrectanswer.Joiningacarclubischeaper/moreexpensivethanhavingapersonalcar.Peopleincarclubspayfor/donotpayforacarwhentheydrive.Peopleincarclubssometimes/nevertalkabusorrideabike.Peopleincarclubsprobablyare/arenothealthier.Workinpairsanddiscussthisquestion.DoyouthinkcarclubswouldbepopularinChina?Why/Whynot?AroundtheworldworldpopulationandwaterTheworld’swaterresourcesarerapidlyrunningdry,creatingaglobalcrisisforeverylivingbeingontheplanet.1billion---nearly1/6thoftheworld’spopulation---arealreadyfacingwatershortagesonadailybasis.Whataproblemarethereinmanyplaceswithwater?Readandanswer.Gettinggood,cleanwaterisingaprobleminmanyplaces.True(T)orfalse(F)accordingtoPopulationandwater。()1.Cleanwaterisingaproblems

inmanyplaces.()2.Wateruseisgrowingasfastastheworld’spopulation.()3.Manyareaspeoplehavetowalkalong