人教版八下英語 Unit 7第1課時（A 1a-2d）教學課件

Unit7What’sthehighestmountainintheworld?R·八年級下冊SectionA1a-2d平方；正方形米；公尺(=metre)

深的；縱深的沙漠人口；人口數(shù)量NewWordssquare(n.)meter(n.)deep(adj.)desert(n.)population(n.)

/skwe?/,/skwer/

/?mi?t?(r)//di?p/

/?dez?(r)t//?p?pju?le??n//?pɑ?pju?le??n/亞洲旅行；旅游旅行者；觀光者墻令人大為驚奇的；令人驚喜(或驚嘆)的Asia(n.)tour(n.&v.)tourist(n.)wall(n.)amazing(adj.)/?e???/,/?e???//t??/,/t?r//?t??r?st/,/?t?r?st//w??l/

/??me?z??/man-made(adj.)古代的；古老的保護；防護寬的；寬闊的人造的ancient(adj.)protect(v.)wide(adj.)/'e?n??nt//pr?'tekt//wa?d//?m?n'me?d/PhraseReview（可以）隨便（做某事）就我所知feelfreeasfarasIknow掃雷游戲單詞下埋著5顆雷，學生選擇單詞并讀出，如果單詞下沒有雷則可得分，如果有，則不得分。11331342322ancient32walldeepdesertman-madetourpopulationprotecttouristwide可以隨便就我所知AsiasquaremeteramazingDoyouknowthesemountains?MountLu廬山黃山MountHuang嵩山MountSongMountTai泰山華山MountHuaMatchthefactsyouknow.1aQomolangmatheNiletheCaspianSeatheSahara點擊畫面播放視頻QomolangmaTheNileTheCaspianSeaTheSaharaabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershigh里海MountainRiverSea/LakeDesertThinkandfillinthetable.Think:1.Whatfeatureofamountain,river,etc.isthemostobvious?2.Whatwordcanbeusedtodescribethefeature?heightlengthdepthareahighest/tallestlowest/shortestlongestshortestdeepestshallowestbiggestsmallestFeatureMostLeastMountainRiverSea/LakeDesertFillinthetable.1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis____________riverintheworld.higherthebiggestthedeepestthelongestTeacher:

Yesterday,welearnedsomeimportant

geographicalfacts.Ihopeyouallstill

rememberthem.I’mgoingtotestyounow

byaskingafewquestions.First,what’sthe

highestmountainintheworld?Tapescripts地理事實

Boy1:Qomolangma!It’shigherthanany

othermountainintheworld.

Teacher:That’sright.Andwhocantellme

whattheSaharais?

Girl1:TheSaharaisthebiggestdesertintheworld.

“比較級+thananyother+名詞+其他”

表示“比其他任何一個……都……”注意：該結(jié)構(gòu)可與“the+最高級+其他”相互轉(zhuǎn)換。Teacher:Verygood.Andwhichisthedeepestsalt

lakeintheworld?

Girl2:TheCaspianSeaisthedeepestofallthe

saltlakes.Teacher:You’reallsosmart!Now,forthelast

question,whichisthelongestriverin

theworld?

Boy2:Iknow!TheNileisthelongestriverin

theworld.

Boy1:AndtheAmazonisthesecondlongestriver

intheworld.

Teacher:Itseemsthatyouknowtheanswerstoallmy

questions.Goodjob!“the+序數(shù)詞+最高級+單數(shù)名詞+in…”表示“是……中的第幾……”Languagepoints1.Qomolangmaishigherthananyothermountainintheworld.

比較級+thananyother+可數(shù)名詞單數(shù)=比較級+thantheother+可數(shù)名詞復數(shù)用形容詞的比較級表示最高級。意為“……比其他任何一個……都……”例：尼羅河比世界上其他任何一條河都長。TheNileislongerthananyotherriverintheworld.=TheNileislongerthantheotherriversintheworld.=TheNileisthelongestriverintheworld.辨析“……比任何一個……都……”，指不在同一范圍內(nèi)進行比較?！啊绕渌魏我粋€……都……”，指在同一范圍內(nèi)進行比較。比較級+thananyother+可數(shù)名詞單數(shù)比較級+thanany+可數(shù)名詞單數(shù)翻譯ChinaislargerthananyothercountryinAsia.中國比其他任何一個亞洲國家都大。（中國屬于亞洲）ChinaislargerthananycountryinAfrica.中國比任何一個非洲國家都大。（中國不屬于非洲）（黑龍江龍東地區(qū)中考）—DoyouknowShanghaiisoneof______intheworld?—Yes,it’sbiggerthan______cityinChina.A.thebiggestcity;anyB.thebiggestcities;anyC.thebiggestcities;anyother1cUsetheinformationin1btomakeconversations.Whatisthehighestmountainintheworld?Qomolangma.Whatisthe_______________intheworld?TheSahara.biggestdesertWhatisthedeepestsaltlakeintheworld?_______________.TheCaspianSea__________________________________________TheNile.Whatisthelongestriverintheworld?Readthenumbersbelow.5,0006,3005,465300Makeasmanysentencesasyoucantocomparethefournumbers.sixthousandandthreehundredfivethousand,fourhundredandsixty-fivefivethousandthreehundredForexample:6,300isthebiggest/largestnumber.2aListenandnumberthefacts[1-4]intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.4___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.136,3005,0005,46430022bListenagainandfillintheblanksin2awiththenumbersinthebox.___TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,0005,4643006,3005,464___Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.6,3005,0005,4643005,000300Mike:Hi,I’mMike.I’mfromtheUnitedStates.

Boy:Welcometoourclass,Mike.We’rehappytomeetyou.Mike:CanyoutellmeabitmoreaboutChina?

Girl:Sure!DidyouknowthatChinaisoneoftheoldestcountriesintheworld?It’sover5,000yearsold.Tapescripts中國是世界上最古老的國家之一Mike:Yes,Idid.It’smucholderthanmycountry-infact,theUnitedStatesisoneoftheyoungestcountriesintheworld.It’snoteven300yearsold.Boy:AndChinahasthebiggestpopulation,too.It’salotbiggerthanthepopulationoftheUnitedStates.中國人口比美國多很多。Mike:

ButChinaisaboutthesamesizeastheUS,right?

Girl:

Yes,andit’sthebiggestcountryinAsia.Wealsohavesomefamousrivers.TheYangtzeRiveristhelongestriverinAsia.It’sabout6,300kilometerslong.中國和美國國土面積差不多大。長江是亞洲最長的河流。Mike:Wow!Ididn’tknowthat.IthoughttheYellowRiverwaslonger.Boy:No,theYellowRiveris5,464kilometerslong.ButbothriversareveryimportanttoChina.Languagepoints1.Chinahasthebiggestpopulationintheworld.population

集體名詞，“人口；人口數(shù)量”，

無復數(shù)形式。作主語時，謂語動詞用第三人稱單數(shù)形式。thepopulationof“……的人口數(shù)量”，同義短語…h(huán)asapopulationof…。人口“多”用large或big來修飾；

人口“少”用small來修飾。分數(shù)或百分數(shù)修飾population作主語時，謂語動詞用單復數(shù)形式均可。拓展詢問人口數(shù)量：

What’sthepopulationof…?Howlargeisthepopulationof…?

不能用howmany，howmuch提問。你家鄉(xiāng)的人口是多少？（翻譯句子并寫出同義句）What’sthepopulationofyourhometown?_________________________________________Howlargeisthepopulationofyourhometown?2.ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.notas/so+形容詞或副詞的原級+as“和……不一樣；與……不同”。as+形容詞或副詞的原級+as

“和……相同；

與……一樣”，用于同級之間的比較。3.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?

賓語從句表示的內(nèi)容是客觀事實、真理或自然現(xiàn)象等，從句要用一般現(xiàn)在時。Hetoldmethattheearthislargerthanthemoon.例：他告訴我地球比月球大。主句that

引導的賓語從句～～～～～～～～～～～～～～～～～～～～～～～～～～2cMakeconversationsusingtheinformationin2a.DidyouknowthatChinaisoneof__________countriesintheworld?Yes,Idid.It’smucholderthanmycountry.theoldestDidyouknowthatChinaisthebiggestcountryinAsia?Yes,Idid.__________________________bigastheUS.It’salmostasYes,Idid.It’s6,300kilometerslong.Didyouknowthat__________________________________________?thelongestriverYangtzeRiverisinChinaRole-playtheconversation.Listenandanswerthequestions.2d1.HowlongistheGreatWall?Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.2.Whydidtheancientemperorsbuildthewall?TheBadalingpart.Themainreasonwastoprotecttheirpartofthecountry.3.WhichpartisthemostfamouspartoftheMingGreatWall?Feelfreetoaskmeanythingontoday’sGreatWalltour.2dRole-playtheconversation.feelfreetodosth.隨便做某事Howlongisthewall?Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.令人驚喜（或驚嘆）的古代的；古老的據(jù)我所知Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Yes,it’sthemostfamouspart.IsBadalingpartoftheMingGreatWall?Fillintheblanks.Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometers____.Thismakesitthe______wallintheworld.longestlongThemainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squite____and_____.AsfarasIknow,therearenoother___________objectsasbigasthis.tallwideman-madeLanguagepoints1.Feelfreetoaskmeanythingontoday’sGreatWalltour.tour作名詞，“旅行；旅游”goonatour“去旅游”例：安娜打算去西安旅行，她想了解中國的歷史。

AnnaisgoingonatourofXi'an,andshewantstolearnaboutChinesehistory.

作動詞，“周游；游歷；旅行”

tourist“旅行者；觀光者”

例：我們花了四個星期周游歐洲。

WespentfourweekstouringaroundEurope.拓展2.

Wow,that’samazing!amazing作形容詞，“令人大為驚奇的;令人驚喜(或驚嘆)的旅游”例：人適應環(huán)境的速度之快真是驚人。

It’samazinghowquicklypeopleadapttotheenvironment.amazed例：我真的被它的美迷住了

I’mreallyamazedatitsbeauty.（人）大為驚奇的

拓展固定搭配：beamazedat3.Themainreasonwas

toprotecttheirpartofthecountry.本句中動詞不定式toprotecttheirpartofthecountry在句中作表語。protect“保護；防護”

protect…from/against…

保護……不受……（的傷害）例：他伸出手去，保護他的孩子免受傷害。Heraisedhisarm___________________________________________________toprotecthischildfrom/tectionn.（江蘇揚州中考）記住，每個人都可以做點對保護環(huán)境有益的事情。（漢譯英）__________________________________________________________________Remember,everyonecandosomethinghelpfultoprotecttheenvironment.asfarasIknow＝sofarasIknow

從屬連詞“據(jù)我所知”，

引導狀語從句，強調(diào)程度或范圍。4.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.一……就……只要和；也；既……又像……一樣多assoonasaslongasaswellasasmuchasas的常用短語拓展man-made復合形容詞，意為“人造的”。例：機器人是一種類人的人造機器。Robotsareman-mademachinesthatactlikehumanbeings.拓展合成詞

n.+v.-ed:handmadehome-mademachine-made手工的自制的機器生產(chǎn)的ThemagazinewasstartedbyBecky,______Iknow.A.asfarasB.aswellasC.assoonasD.asmuchasKeywords:squaredesertpopulationancienttourtouristamazingprotectwidePhrases:feelfreetodosth.asfarasIknowman-made

geographicalfacts

SummarySentences:1.Qomolangmaishigherthananyothermo