-Unit 7 Whats the highest mountain in the world？Section A 1a-2c 课件 人教新目标八年级下册英语

Unit7What’sthehighestmountainintheworld?ObjectivesAttheendofthelesson,studentswillbeableto1.Pornounceandusecorrectlythenewwordssuchassquare,meter,deep,desert,population,Asia.2.Mastertheuseoflargenumbers.E.g.TheYangtzeRiverisabout6,300kilometerslongandtheYellowRiveris5,464kilometerslong.3.Descrbleobjectsbyusingtheformsofcomparativesandsuperlatives.Newwordssquare

n.平方meter

n.米

[skweə]

[ˈmi:tə(r)]deepadj.深的desertn.沙漠[di:p]['dezət]Asia

n.亚洲populationn.人口[pɒpjʊ'leɪʃ(ə)n]['eɪʃə]QuickeyesLet'senjoythejourneyaroundtheworld！Warming-upNingxiaQomolangma

--thehighestmountain珠穆朗玛峰--世界上最高的山峰CaspianSea--thedeepest

lake里海--世界最深的湖theNile--thelongestriver尼罗河--世界最长河流theSahara--thebiggestdesert撒哈拉沙漠--世界最大沙漠highestlongestbiggestdeepestmountain山river河desert沙漠

lake淡水湖Wheredidwegojustnow?Wewenttotheintheworld.Whatis

thehighestmountain

thelongestriver

thebiggestdesert

thedeepestlake

Theworld?It’s_________.1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest35

231,025

30,000

6,6718,844.43

9,600,000

Howdoyoureadthesenumbers?thirty-fivetwenty-threethirtythousandonethousandandtwenty-fivesixthousandsixhundredandseventy-one

eightthousandeighthundredandforty-four

pointfourthreeninemillionsixhundredthousand=ninepointsixmillionisthelargestnumber.isthesmallestnumber.6,3005,0005,464300总结：

xxxxx,000,000,000thousandmillionbillion7928500434600987654321Howdoyoureadthesenumbers?

㎡4m

squaremetersinsize=1616

[skweə]

[ˈmi:tə(r)]4mIfyouareaguide(导游)，pleaseintroduce(介绍)a

famousplacetothetourists(游客).__________

isthelongestriverinChina.It’slongerthananyotherriverinChina.It’sabout6300meterslong.A.TheAmazonRiverB.TheYellowRiverC.TheNileD.TheYangtzeRiver['jæŋzɪ]China

theUSDoyouknowanythingaboutthetwocountries?________hasthebiggestpopulationintheworld.________isthebiggestcountryinAsia.________hasamuchlongerhistory.China

2aListenandnumberthefacts(1-4)intheorderyouhearthem.___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggest

populationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.42132bListenagainandfillintheblankswiththenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris_______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover_______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven______yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.42136,3005,4645,000300Whatisthe…est___intheworld/China…?

A:Whatisthehighest/longest/deepest/

heworld?

B:...____.

It'shigher/longer/…thananyother___intheworld.Guide:

Feelfreetoaskmeanythingontoday'sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe'reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8，850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that’samazing！Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee❹

,it’squitetallandwide.Asfaras❺

Iknow,therearenootherman­madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.

❸❶❷❻populationn.

人口；人口数量

问人口数量的句型：What’sthepopulationof...?eg：What’sthepopulationoftheworldnow?population和people的区别:前者通常用what来提问，后者用howmany来提问形容人口多少用big，large或small。eg：Thecityhasabig/large/smallpopulation.population作主语，表达一个整体概念时，谓语动词用单数，

当其前有分数或百分数修饰时，谓语动词可用单数或复数。eg：ThepopulationofNigeriaismorethan100million.(强调整体性)Threequartersofthepopulationinthecityis/arefromotherpartsofthecountry.*feelfreeto...表示很随意地去做某事。feelfree是英语口语中一个常用表达。eg：Pleasefeelfreetoaskquestions.

*protect...from/against...保护……免受/遭……eg：Peopl