八年级英语下册 Unit 7 What’s the highest mountain in the world Section A（1a-2d） （新版）人教新目标版.ppt

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1、Whatsthehighestmountainintheworld?Unit7第一课时：第一课时：SectionA(1a-2d)课文课文呈现呈现知识知识讲解讲解第一课时：SectionA(1a-2d)课课堂堂导导入入1a1a1b1b课课堂堂小小结结课课后后作作业业课课堂堂练练习习Letswatchavideoandguessthemaincontentsofthislesson.点击画面播放点击画面播放1aLanguage Goal:Talk about geography and natureMatch the facts you know.Qomolangmaabout9,600，000s

2、quarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighListen and complete the sentences.Listen and complete the sentences.1b1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riv

3、erintheworld.higherthebiggestthedeepestthelongestTeacher:Yesterday,welearnedsomeimportantgeographicalfacts.Ihopeyouallstillrememberthem.Imgoingtotestyounowbyaskingafewquestions.First,whatsthehighestmountainintheworld?Boy2:Qomolangma!Itshigherthananyothermountainintheworld.Teacher:Thatsright.Andwhoca

4、ntellmewhattheSaharais?Girl1：TheSaharaisthebiggestdesertintheworld.1bTeacher:Verygood.Andwhichisthedeepestsaltlakeintheworld?Girl2:TheCaspianSeaisthedeepestofallthesaltlakes.Teacher:Youreallsosmart!Now,forthelastquestion,whichisthelongestriverintheworld?Boy1:Iknow!TheNileisthelongestriverintheworld.

5、Boy2:AndtheAmazonisthesecondlongestriverintheworld.Teacher：Itseemsthatyouknowtheanswerstoallmyquestions.Goodjob!Qomolangmaishigherthananyothermountainintheworld.珠穆朗玛峰比世界珠穆朗玛峰比世界上其他任何一座山都高。上其他任何一座山都高。考向anyother意为意为“其他任何其他任何”，指在同一范围内除了，指在同一范围内除了某人或某物以外的其他任何人或事物，其后跟单数某人或某物以外的其他任何人或事物，其后跟单数名词，也可以说名词，也可以

6、说anyoftheother复数名词。复数名词。eg：Tomrunsfasterthananyotherstudent(或anyoftheotherstudents)inhisclass.汤姆比他班上的任何人都跑得快。知识点1 1拓展拓展如果比较对象不在同一范围，就直接用any。eg：JackistallerthananyboyinMarysclass.杰克比玛丽班上的任何男孩都高。典例典例EveryoneknowsCanadaisthesecondlargestcountryintheworld.Thatis,itislargerthan_countryinAsia.(黄冈)A.anyB.a

7、nyotherC.otherD.anotherA【点拨点拨】由句意可知这里指加拿大比亚洲任何国家都大。而加由句意可知这里指加拿大比亚洲任何国家都大。而加拿大属于北美洲，不在亚洲。拿大属于北美洲，不在亚洲。1cUse the information in 1b to make conversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.2aListen and number the facts 14 in the order you hear them.1 16,3005,0005,464300_TheYangtzeRiveri

8、sabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.Ithasamuch46,3005,464215,000longerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.30036,3005,

9、0005,464300Mike：Hi,ImMike.ImfromtheUnitedStates.Boy:Welcometoourclass,Mike.Werehappytomeetyou.Mike：CanyoutellmeabitmoreaboutChina?Girl:Sure!DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Itsover5,000yearsold.Mike：Yes,Idid.Itsmucholderthanmycountryinfact,theUnitedStatesisoneoftheyoungestcount

10、riesintheworld.Itsnoteven300yearsold.2aBoy:AndChinahasthebiggestpopulation,too.ItsalotbiggerthanthepopulationoftheUnitedStates.Mike：ButChinaisaboutthesamesizeastheUS,right?Girl:Yes,anditsthebiggestcountryinAsia.Wealsohavesomefamousrivers.TheYangtzeRiveristhelongestriverinAsia.Itsabout6,300kilometers

11、long.Mike:Wow!Ididntknowthat.IthoughttheYellowRiverwaslonger.Boy:No,theYellowRiveris5,464kilometerslong.ButbothriversareveryimportanttoChina.population/ppjulen/，/ppjulen/n.人口；人口数量人口；人口数量考向一问人口数量的句型是：问人口数量的句型是：Whatsthepopulationof.?eg：Whatsthepopulationoftheworldnow?现在世界人口是多少？知识点2 2【易错点易错点】population

12、和和people的区别。的区别。前者通前者通常用常用what来提问，后者用来提问，后者用howmany来提问。来提问。【注意注意】eg：WhatsthepopulationofCanada?加拿大的人口是多少？HowmanypeoplearethereinCanada?加拿大有多少人？形容人口多少用形容人口多少用big，large或或small。eg：Thecityhasabig/large/smallpopulation.这个城市人口多/少。考向二考向二【易错点易错点】考向三population作主语，表达一个整体概念时，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

13、，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。谓语动词可用单数或复数。eg：ThepopulationofNigeriaismorethan100million.(强调整体性)尼日利亚的人口数量为1亿多。Threequartersofthepopulationinthecityis/arefromotherpartsofthecountry.这个城市里四分之三的人口来自全国其他地方。【难点难点】典例典例 Thepopulationoftheworld_still_now.(兰州)Awill;growBhas;grownCis;growingDis;grownC【点拨点拨

14、】句意句意“世界人口现在仍然在增长。世界人口现在仍然在增长。”此题将此题将“人口人口”作整体概念，且表示现在作整体概念，且表示现在(now)正在发生的情况。正在发生的情况。2bListen again and fill in the blanks in 2a with the numbers in the box.Mike：Hi,ImMike.ImfromtheUnitedStates.Boy:Welcometoourclass,Mike.Werehappytomeetyou.Mike：CanyoutellmeabitmoreaboutChina?Girl:Sure!Didyouknowtha

15、tChinaisoneoftheoldestcountriesintheworld?Itsover5,000yearsold.Mike：Yes,Idid.Itsmucholderthanmycountryinfact,theUnitedStatesisoneoftheyoungestcountriesintheworld.Itsnoteven300yearsold.2bBoy:AndChinahasthebiggestpopulation,too.ItsalotbiggerthanthepopulationoftheUnitedStates.Mike：ButChinaisaboutthesam

16、esizeastheUS,right?Girl:Yes,anditsthebiggestcountryinAsia.Wealsohavesomefamousrivers.TheYangtzeRiveristhelongestriverinAsia.Itsabout6,300kilometerslong.Mike:Wow!Ididntknowthat.IthoughttheYellowRiverwaslonger.Boy:No,theYellowRiveris5,464kilometerslong.ButbothriversareveryimportanttoChina.2cMake conve

17、rsations using the information in 2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.DidyouknowthatChinaisoneoftheoldestcountriesintheworld？你知道中国？你知道中国是世界上最古老的国家之一吗？是世界上最古老的国家之一吗？知识点考向一该句含有由该句含有由that引导的宾语从句，从句表示的是客引导的宾语从句，从句表示的是客观事实或真理，观事实或真理，即使主句是过去时，从句

18、也要用即使主句是过去时，从句也要用一般现在时。一般现在时。eg：Hetoldmethatthesunrisesintheeast.他告诉我太阳从东方升起。(客观事实)3 3典例典例Myteachertoldmethatlight_athighspeed.(齐齐哈尔)AtraveledBwouldtravelCtravelsC本句中的本句中的oneof意为意为“中的一个中的一个”或或“之一之一”，后面接复数名词，当名词前有形容词修饰且有比，后面接复数名词，当名词前有形容词修饰且有比较范围时，形容词较范围时，形容词应用其最高级应用其最高级形式。形式。eg：SongJieisoneofthetall

19、eststudentsinourclass.宋杰是我们班最高的学生之一。考向二oneof.作主语时，谓语动词要用单数形式。作主语时，谓语动词要用单数形式。eg：Oneofthegirlsismysister.这些女孩中有一个是我妹妹。【注意注意】典例典例 Asweknow,theYangtzeRiverisoneof_riversintheworld.(泸州)AlongBlongerCLongestDthelongestD【点拨点拨】本题用本题用寻找题眼法寻找题眼法。句意：众所周知，长江是世界上。句意：众所周知，长江是世界上最长的河流之一。由句中最长的河流之一。由句中“oneof”可知为可知为

20、“oneofthe形形容词最高级可数名词复数容词最高级可数名词复数”结构。结构。2dRole-play the conversation.Guide:FeelfreetoaskmeanythingontodaysGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,itsabout8，850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:

21、Wow,thatsamazing！Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,itsquitetallandwide.AsfarasIknow,therearenoothermanmadeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,itsthemostfamouspart.知识点考向feelfreeto.表示很随意地去做某事。表示很随意地去

22、做某事。feelfree是是英语口语中一个常用表达。英语口语中一个常用表达。eg：Pleasefeelfreetoaskquestions.请随意提问。4 4feelfreeto.随便随便典例典例Mr.Wilson,canIaskyousomequestionsaboutyourspeech?Certainly,feel_toaskme.(武汉)AgoodBcalmCfreeDhappyC【点拨点拨】本题用本题用固定短语法固定短语法。feelfreeto.意为意为“随便随便”。拓展拓展feelfree基本意思是“感觉自由”。eg：Theyliveinafreecountry,buttheydo

23、notfeelfree.他们生活在自由的国家，但却感觉不自由。知识点eg：(随州中考)Knowingsomewaystoprotectyourselfwillhelptokeepyousafeintheearthquake.了解一些保护自己的方法将有助于你在地震中保证自身的安全。5 5protect/prtekt/v.保护；防护保护；防护考向protect.from/against.保护保护免受免受/遭遭eg：Peoplebuildhousestoprotectthemselvesagainstbadweather.人们建造房屋来抵御坏天气。典例典例Itisofgreatimportancet

24、op_theenvironmentfrombeingpolluted.(乌鲁木齐)rotect(黄石中考)Firefighterswearspecialcoatsandhelmetstoprotectthemselvesfromheatandfallingceilings.消防队员穿特制的外套，戴头盔是为了防止高温和坍塌的天花板伤害他们。protect(v.)protection(n.)保护；防卫拓展拓展知识点eg：AsfarasIcansee,youhavedonenothingwrong.依我看，你没有做错任何事。6 6asfaras就就；尽尽考向asfaras还可表示还可表示“像像那样远

25、；远到那样远；远到”，后跟名词或从句，强调至某一指明地点的距离。后跟名词或从句，强调至某一指明地点的距离。在否定句中，也可用在否定句中，也可用sofaras。eg：WewentasfarasLionRockTunnel.我们一直走到狮子山隧道公路那儿。典例典例Wewillcertainlyenteragoodhighschool_weworkhard.Yes.Ourdreamwillcometruebyworkinghard.(鄂州)AassoonasBaslongasCasfarasDevenifB【点拨点拨】考查短语辨析。考查短语辨析。A项表示项表示“一一就就”；B项表项表示示“只要只要”；C项表示项表示“就就而言而言”；D项表示项表示“即使即使”。结结合句意可知。合句意可知。Shedidntgoasfarastheothers(did)她走得不像其他人那样远。本本节节课课主主要要练练习习了了听听力力，学学习习了了知知识识点点anyother,population,oneof+形形容容词词最最高高级级+名名词词复复数数，feelfreeto,protect,asfaras的的用用法法，学学会会了了运运用用形形容容词词和和副副词词的的比比较较等等级级谈谈论论地地理理和自然。和自然。