《初中英语八年级下册Unit7 SectionA 1a-2d》课件

SectionA1a-2dUnit7What’sthehighestmountainintheworld?初中英语八年级下册RJ1.New

words:

square,meter,deep,desert,population,Asia, tour,tourist,wall,amazing,ancient,protect, wide,man-made2.Expressions:feelfree,asfarasIknowLearninggoals3.Sentences:

①TheYangtzeRiverisabout6,300kilometerslong.

②Qomolangmaishigherthananyothermountainintheworld.

③AndChinahasthebiggestpopulation,too.Whatarethesedescriptions?9,000,0001,0256,6718,848.86squarekilometers

insizemeters

deepkilometerslongmetershighn.平方千米n.米;公尺adj.深的；纵深的n.大小landsearivermountainWarmingupDoyouknowtheseplaces?QomolangmatheNiletheCaspianSeatheSahara珠穆朗玛峰是世界海拔最高的山峰，高度为8848.86米。QomolangmatheNile尼罗河长6671千米，是世界上最长的河流。theCaspianSea里海虽称海，但却是一个巨大的内陆咸水湖。theSahara撒哈拉沙漠形成于约250万年前，是世界上最大的沙质荒漠。1aMatchthefactsyouknow.QomolangmaAbout9,000,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,848.86metershigh大小...1,025metersdeep.(教材P491a)Theriveris20meterswide.=Theriveris20metersinwidth.英语中的长、宽、高、深、面积的表达方法Languagepoint(1)基数词+单位词+形容词（long、wide、high、deep等)(2)基数词+单位词+in+名词（length、width、height、depth、size等）1.Qomolangmais_____________thananyothermountainintheworld.2.TheSaharais_____________desertintheworld.3.TheCaspianSeais_______________ofallthesaltlakes.4.TheNileis_________________riverintheworld.1bListenandcompletethesentences.higherthe

biggestthedeepestthelongestn.沙漠Listenandread.Teacher:Yesterday,welearnedsomeimportantgeographicalfacts.Ihopeyouallstillrememberthem.I’mgoingtotestyounowbyaskingafewquestions.First,what’sthehighestmountainintheworld?Boy1:Qomolangma!It’shigherthananyother

mountain

intheworld.地理事实①Teacher:That’sright.AndwhocantellmewhattheSaharais?Girl1:TheSaharaisthebiggestdesertintheworld.Teacher:Verygood.Andwhichisthedeepest

saltlakeintheworld?Girl2:TheCaspianSeaisthedeepestofallthesaltlakes.Teacher:You’reallsosmart!Now,forthelastquestion,②③whichisthelongest

riverintheworld?Boy2:Iknow!TheNileisthelongestriverintheworld.Boy1:AndtheAmazonisthesecondlongest

riverintheworld.Teacher:Itseemsthatyouknowtheanswerstoallmyquestions.Goodjob!④⑤Qomolangmaishigherthananyothermountain

intheworld.(教材P491b)该结构意为“比其他任何一个······都······”，指在同一范围内比较，表示最高级含义。Sheisthinnerthananyotherstudentinherclass.=Sheisthethinneststudentinherclass.比较级+than+anyother+可数名词单数Languagepoint点击，播放视频1cUsetheinformationin1btomakeconversations.Qomolangma.Whatisthehighestmountainintheworld?Thinkofotherobjectsthatarehigh,big,deeporlonganddescribethem.Iliveinthehighestbuildinginthecity.Wehavethebiggestfieldofallthehighschoolintown.Helenhasthelongesthairintheclass.1,00030,0009,000,0001,0256,6711,000,68,8886,00080054656513Readthemissingnumberquickly.Whatisthelargest/smallestnumberinthegame?Game2aListenandnumberthefacts[1-4]intheorderyouhearthem.6,300 5,000 5,464 300421长江___TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover________yearsold.Ithasamuch3n.亚洲longerhistorythantheUS.TheUSisnoteven________yearsold.____ChinaissboutthesamesizeastheUS,anditisthebiggestcountryinAsia.2bListenagainandfillintheblanksin2awiththenumbersinthebox.____TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven6,300215,4645,00046,300 5,000 5,464 3003300________yearsold.____ChinaisaboutthesamesizeastheUS,anditisthebiggestcountryinAsia.Listenandread.Mike：Hi,I’mMike.I’mfromtheUnitedStates.Boy:Welcometoourclass,Mike.We’rehappytomeetyou.Mike：CanyoutellmeabitmoreaboutChina?Girl：Sure!DidyouknowthatChinaisoneoftheoldestcountriesintheworld?It’sover5,000

yearsold.

Mike:Yes,Idid.It’smucholderthanmycountry—infact,theUnitedStatesisoneoftheyoungestcountriesintheworld.It’snoteven300

yearsold.Boy：AndChinahasthebiggestpopulation,too.It’salotbiggerthanthepopulationoftheUnitedStates.Mike：ButChinaisaboutthesamesizeastheUS,right?Girl：Yes,andit’sthebiggestcountryinAsia.Wealsohavesomefamousrivers.TheYangtzeRiveris

thelongestriverinAsia.It’sabout6,300kilometerslong.Mike：Wow!Ididn’tknowthat.IthoughttheYellowRiverwaslonger.Boy：No,theYellowRiveris5,464kilometerslong.ButbothriversareveryimportanttoChina.Chinahasthebiggestpopulationintheworld.(教材P502a)(1)population是集体名词，在句中作主语时，谓语动词用单数形式。Theworldpopulationcontinuestoincrease,butinsomeareasthepopulationisfalling.population/ˌpɒpjuˈleɪʃn/,/ˌpɑpjuˈleɪʃn/n.人口；人口数量Languagepoints(2)表示有多少人口时，用“have/hasapopulationof+基数词”,或“thepopulationof…is+基数词”。Chinahasapopulationofabout1.4billion.=ThepopulationofChinaisabout1.4billion.(3)询问人口数量时,用“Whatisthepopulationof…?”或“Howlargeisthepopulationof…?”。What/HowlargeisthepopulationofHenanProvince?(4)表示人口数量的多少时，用big/large或small修饰，

而不能用many、much或few等。IndiahasalargerpopulationthanAmerica.【特别提醒】表示price（价格）的高低，应用high或low，不能用expensive或cheap；表示temperature（温度）的高低，应用high或low，不能用hot或cold。2cMakeconversationsusingtheinformationin2a.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthanmycountry.Readtheconversationin2dandanswerthequestions.1.Whatistheconversationabout?It’saboutatourtotheMingGreatWall.2.HowlongistheMingGreatWall?It’sabout8,850kilometerslong.3.Whatdoestheguidesayaboutthewall?It’squitetallandwide.It’sthelongestwallintheworld.Therearenoman-madeobjectsasbigasthis.

…

2bRole-playtheconversation.点击，播放视频Guide:

Feelfreetoaskmeanythingontoday’sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.（表示允许）可以随便做某事n.&v.旅行；旅游n.墙n.旅行者；观光者2dRole-playtheconversation.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwasto

protecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.v.保护；防护adj.宽的；宽阔的就我所知adj.人造的adj.令人惊喜（惊叹）的adj.古代的；古老的Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’sthemostfamouspart.1.Feelfreetoaskmeanythingontoday’sGreatWalltour.(教材P502d)tour在此处作可数名词，意为“旅行；旅游”，还可以作动词，意为“游览；在······巡回演出（或做宣传广告等）”。TheywentonatouraroundEuropelastyear.WetouredItalyforourholidaylastyear.

tour/tʊə/,/tʊr/n.&v.旅行；旅游Languagepoints【拓展】tour(v.)+后缀-ist→tourist(n.)旅行者；观光者ThetouriststouredHongKongforholidays.Theyallenjoyedtheirtour.2.Wow,that’samazing！(教材P502d)amazing一般用于修饰事物，amazed“吃惊的，惊奇的”常用于修饰人。beamazedat意为“对······感到惊讶”。Theamazingmagicshowmademefeelsoamazed.I’mamazedathisrapidprogress.

amazing/əˈmeɪzɪŋ/adj.令人大为惊奇的；令人惊喜（或

惊叹）的【拓展】类似的以-ing（令人······的）和-ed（感到······的）词缀结尾的形容词：interesting/interestedsurprising/surprisedrelaxing/relaxedmoving/movedtiring/tired,boring/bored,exciting/exited…3.Themainreasonwastoprotecttheirpartofthecountry.(教材P502d)protect在此处作及物动词,protect…against/from…“保护······免于······”。protection作不可数名词，意为“保护；防卫”。protect/prəˈtekt/v.保护；防护Therearelotsofthingswecandotoprotecttheenvironment?Hewearssunglassestoprotecthiseyesagainst/fromstrongsunlight.It’sparents’dutytoprovideprotectionfortheirchildren.Guide:

toaskmeanythingontoday’sGreatWalltour.Tourist1:

isthewall?Guide:Ah,themostpopularquestion!Ifwe’reonly

thepartsfromtheMingDynasty,it’sabout8,850kilometerslong.This______itthelongestwallintheworld.FeelfreeHowlongtalkingaboutmakes

Fillintheblanksaccordingto2d.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:The

wastoprotecttheirpartofthecountry.

,it’squitetallandwide.

,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadaling

theMingGreatWall?Guide:Yes,it’sthemostfamouspart.mainreasonAsyoucanseeAsfarasIknowpartof1.—______isthepopulationofChinanow,Jack?—Letmethinkforamoment;itisabout______.A.Howmany;1,400millionB.What;1,400millionC.What;140million D.Howmany;140million2.(泰安中考改编)Thisismychancetolearnabouttheproblemsseaturtlesfaceandbeavoiceforthese______animals.A.secret B.direct C.amazing D.traditional一、单项选择BExercisesC3.____Iknow,moreandmorepeopleintheworldarelearningChinese.A.AswellasB.Asoftenas C.Assoonas D.Asfaras4.(连云港中考)The______Lianyungang-XuzhouHigh-speedRailwaywasopentothepublicthisyear.A.180kilometerlong B.180kilometerslongC.180-kilometer-long D.180-kilometers-longDC5.Thegirlis______thananyothergirlinherclass.A.morebeautiful B.themostbeautiful C.beautiful D.muchbeautiful6.(山西中考)—To______oureyesight,we’dbetterrelaxforawhileafterreadingforalongtime.—Iagreewithyou.A.harmB.protectC.examineAB1.HangzhouwillbethethirdChinesecitytohostthe_______(Asia)Games.2.(杭州中考改编)Accordingtothelatestcensus(人口普查),Chinahasa_________(population)of1,411.78million.3.Hewearssunglasses________(protect)hiseyesagainstthestrongsunlight.二、用所给单词的适当形式填空Asiantoprotectpopulation4.Feelfree_______(ask)meanythingontoday’sGreatWalltour.5.It’s_______

(amaze)forhim______(pass)theEnglishexamthistime.6.Alotof_______(tour)wenttoChina_______(visit)theGreatWalleveryyear.amazingtopasstouriststovisittoaskKeywordsUsefulexpressionsfeelfree,asfarasIknow,insizesquare,meter,deep,desert,population,Asia,tour,tourist,wall,amazing,ancient,protect,wide,man-madeSummarySentences①TheYangtzeRiverisabout6,300kilometerslong.②Qomolangmaishigherthananyothermountainintheworld.③AndChinahasthebiggestpopulation,too.第1课时

SectionA

(1a-2d)一、用所给单词的适当形式填空。1.TheWestLakeisveryfamous.Many________(游客)visititeveryyear.2.Hissisterisoneandahalf________(米)tall.3.Whatan________(amaze)storyourChineseteachertoldusjustnow!touristsmetersamazing三二一4.Everyoneshoulddomorethings_________(protect)thesepandas.Theyareindanger.5.Ithinkthestreetinfrontofyourhouseisalot_________(wide)thantheoneinfrontofmyhouse.toprotectwider三二一二、单项选择。(

)6.—Doyouknow_______theNileis?—It’s6,671kilometerslong.

A.howlongB.howmuchC.howoftenD.howfar(

)7.—Theriverisaboutthreemeters_______.—Soitmustbedangeroustoswiminit.A.longB.deepC.wideD.high(

)8.Pleasefeelfree_______questionsifyoudon’tunderstand.A.askB.askingC.toaskD.askedABC三二一(

)9.Ofallthestudents,Emilyis_______.A.hard-workingB.morehard-workingC.mosthard-workingD.themosthard-working(

)10.Ourvillagebecomes_______thanbeforebecauseof“BeautifulVillages”project.A.cheaperB.longerC.cleanerD.lowerDC三二一三、完成句子。11.—这个城市的人口是多少?—150多万。—_______thepopulationofthecity?—Morethan1.5million.12.据我所知，再没有其他像这样大的人造物体了。AsfarasIknow,therearenootherman-madeobjects___________thisone.What’sasbigas三二一第2课时

SectionA(3a-3c)一、英汉互译。1.mountainclimbing_______________2.吸入_______________3.面对________________爬山takeininthefaceof三二一二、用所给单词的适当形式填空。4.Thesnowherewas_________(thick)thanthatoverthere.5.Ithinkthismountainisverydangerousforus_________(climb).6.Shegaveup_________(go)tothepartybecauseshehadtolookafterhersister.7.Thetest_________(include)fourparts:listening,speaking,readingandwriting.thickertoclimbgoingincludes三二一8.Runningisoneofthemostpopular________(sport)intheworld.Manypeopledothiskindofsporttokeephealthy.9.Takecarewhenyouwalkontheroadin_________(freeze)weather.10.DotheHimalayasrunalongthe___________(southwest)partofChina?sportsfreezingsouthwestern三二一三、单项选择。(

)11.Aftersuchalongtime,hesucceededin_______thetopofthemountain.

A.takingB.risingC.reachingD.picking(

)12.Onweekends,theSmithsusuallydrivetothecountrysideand_______thefreshairthere.A.comeinB.takeinC.takeoffD.wakeupCB三二一(

)13._______

Frankleftschoolattheof18,hestillbecameasuccessfulwriter.A.EversinceB.InfactC.AfterallD.Eventhough(

)14.Dreamsarebeautiful.However,ittakesalotoftimeandworkto

them.A.forgetB.findC.achieveD.count(

)15.Thepollutionoftheenvironmentisthemostserious______weface.A.thoughtB.challengeC.gameD.stormDC三二一B(

)16.Dr.YuanLongpinghadadreamthathecoulddevelopriceas_______

aspeanuts(花生).A.largeB.largestC.largerD.thelargest(

)17.It’soneof_______

thingsintheworldtostaywithfamilymembers.A.thehappiestB.happierC.happyD.happiestAA三二一第3课时

SectionA

(GrammarFocus-4c)一、写出下列单词的比较级和最高级。1.high_____________2.long_____________3.thin_____________4.big______________5.large_____________6.popular_______________7.few_____________8.little_____________9.much_____________10.old_____________higher;highestlonger;longestthinner;thinnestbigger;biggest.三二一larger;largestmorepopular;mostpopularfewer;fewestless;leastmore;mostolder/elder;oldest/eldest二、选词填空。11.Qomolangmais8848.86meters_________.12.Nooceanintheworldisas_________asthePacificOcean.13.Chinesefoodis_________knownandenjoyedallaroundtheworld.14.We’rehappytoseeourcityisdeveloping___________thanbefore.15.MissWangisthe___________teacherinourschool.highbigwidelymorequicklymostpopularbig,wide,popular,quickly,high三二一三、单项选择。(

)16.—Lucy,haveyouchangedamobilephonewith5G?—Yes,Ithinkthemobilephonewith5Gcansendvideosmuch________thantheonewith4G.

A.fastB.fastestC.thefastestD.faster(

)17.Jennywillgetup________thanusualinordertocatchthefirstbus.A.earlyB.theearliestC.earlierD.earliestDC三二一(

)18.It’scoldoutside.Bob’smotheraskedhimtowear_____clothes.A.thinB.fatC.thickD.long(

)19.Ginaisagreatdancer.Shedances________thanothers.A.morebeautifulB.morebeautifullyC.lessbeautifulD.mostbeautifullyCB三二一(

)20.I’mprettygoodattennis.ActuallyI’mprobably________intheclub.A.thebestB.worseC.goodD.better(

)21.Rememberthis,kids,________carefulyouare,________mistakesyouwillmake.A.themore;thefewerB.themore;thefewC.themore;thelessD.themuch;thefewerAA三二一第4课时

SectionB

(1a-1d)一、英汉互译。1.出生时_______________2.活到……_______________3.来自_______________4.manytimes_______________5.beborn______________atbirthliveuptocomefrom很多倍/许多次三二一出生二、单项选择。(

)6.Thiscameraistooexpensive.I’dlikea________one.A.cheapB.cheaperC.cheapestD.moreexpensive(

)7.—Howheavyisanelephant?—It________about5,000kilos.A.includesB.weighsC.eatsD.loses(

)8.ThepopulationofChinaisabout________thanthatoftheUS.A.fourtimesB.fourthtimesmoreC.fourtimeslargerD.fourthtimeslargerBBC三二一(

)9.Idon’tliketoreadbooksinthesunshine,becauseit’snotgood________myeyes.A.atB.toC.withD.for(

)10.Thelocalguidespoke________shecouldtomakethevisitorsunderstandher.A.asclearlyasB.soclearasC.asclearasD.soclearlyasDA三二一三、完成句子。11.撒哈拉沙漠是世界上最大的沙漠。TheSaharais________________desertintheworld.12.大象比大熊猫重许多倍。Anelephantweighs________________________thanapanda.13.最高的三个女孩中的一个是我的妹妹。Oneof________________________oftheth