Unit4TheWondersofNatureSectionA3a3d课件人教版英语八年级下册

UNIT4TheWondersofNatureSectionA3a-3d通过本课时的学习，学生能够：3.能够运用英语描述其特征与独特价值，并说明保护行动，体现对“探索自然、守护文明”的认知。(迁移创新)LearningObjectives1.能够在“河流知识分享”的情境中，理解对话大意和语篇逻辑；梳理并理解不同河流的关键信息。(学习理解)2.能与同伴就河流知识进行问答互动，准确描述河流的特征与保护意义，实现有效交流；(应用实践)Thoughthislesson,youcan:3.(Creating&Thinking)Shareanaturalplaceyouknow.Describeitsfeatures,importance,andwhatwecandotoprotectit.Showyourlovefornatureandculture.1.(Learning&Understanding)ReadthedialoguebetweenYamingandEllaaboutrivers,understanditsmainideaandkeyinformation(features,facts,culturalmeaning),andlearnnewwordsaboutrivers.2.(Practicing&Using)Usethesimplepresenttenseanddescriptivewordstotalkaboutriverswithapartner.Role-playaconversationaboutriverfactsandprotectioninanaturalway.LeadinWatchandanswer.1Whatisthenameoftherivermentionedinthevideo?It’stheYellowRiver.2IsitthelongestriverinChina?No,thelongestriveristheYangtzeRiver.3DoyouknowanythingelseabouttheYellowRiverortheYangtzeRiver?Activity1KnowsomethingabouttheworldriversReadtheconversationandunderlinethethreeriversmentioned.Yaming:Welcomeback,Ella!Howwasyourtrip?Ella:Itwasgreat!WesawtheHukouWaterfallontheYellowRiver.IsthatthelongestriverinChina?Yaming:No,theYangtzeRiveristhelongestriverinChina.Ittravelsthefarthestandisabout6,300kilometreslong.TheYellowRiveris5,464kilometreslongandisthesecondlongest.Bytheway,doyouknowwhyit’scalledtheYellowRiver?Ella:Becauseit’syellow?Yaming:Right.Somepartsoftherivercarrybrownandyellowearth.Ella:That’sinteresting!Ilikelearningaboutrivers.MyfavouriteistheNile.Didyouknowit’sthelongestriverintheworld?Yaming:Yes,it’s6,671kilometreslong.It’sveryimportantinEgypt’shistory.Ella:That’sright.BoththeNileandtheYellowRiverhelpedancientcivilizationstodevelop.Andthey’restillveryimportanttoday.Yaming:Yes.InChina,weevencalltheYellowRiverour“motherriver”!Ella:Weshouldprotectthematallcosts.3aReadtheconversationandunderlinethethreerivers.While-readingTheYellowRiverTheYangtzeRiverTheNileWhile-reading3bCompletethetable.RiverCountryLengthImportanceYellowRiver________________kmhelpedinthedevelopmentofancient____________NileRiver________________kmChina5,464Egypt6,671civilizationsPost-reading对子活动3cShowyourreading.2minYaming:Welcomeback,Ella!Howwasyourtrip?Ella:Itwasgreat!WesawtheHukouWaterfallontheYellowRiver.IsthatthelongestriverinChina?Yaming:No,theYangtzeRiveristhelongestriverinChina.Ittravelsthefarthestandisabout6,300kilometreslong.TheYellowRiveris5,464kilometreslongandisthesecondlongest.Bytheway,doyouknowwhyit'scalledtheYellowRiver?Ella:Becauseit'syellow?Yaming:Right.Somepartsoftherivercarrybrownandyellowearth.Ella:That'sinteresting!Ilikelearningaboutrivers.MyfavouriteistheNile.Didyouknowit'sthelongestriverintheworld?Yaming:Yes,it's6,671kilometreslong.It'sveryimportantinEgypt'shistory.Ella:That'sright.BoththeNileandtheYellowRiverhelpedancientcivilizationstodevelop.Andthey'restillveryimportanttoday.Yaming:Yes.InChina,weevencalltheYellowRiverour"motherriver"!Ella:Weshouldprotectthematallcosts.Post-listening3dImaginethatyouareYamingorElla.ContinuetheconversationwithapartneraboutothergeographicalfeaturesinChina.Ella:CouldyoutellmemoreaboutChina,Yaming?Yaming:Sure!Whatwouldyouliketoknow?Ella:What’sthebiggestdesertinChina?Yaming:It’stheTaklimakanDesert(塔克拉玛干沙漠).Ella:Doyouknow...?CouldyoutellmemoreaboutChina,Yaming?Sure!Whatwouldyouliketoknow?What’sthebiggestdesertinChina?It’stheTaklimakanDesert.DoyouknowhowbigtheTaklimakanDesertis?It’sabout337,600squarekilometers.

Arethereanyplantsoranimalsthere?Yes!Therearesomespecialplantsandcamelsthatcanliveinthedryenvironment.Isitdangeroustotravelthere?Sometimes.Thesandstormsarestrong,butit’salsoabeautifulplace.CouldyoutellmemoreaboutChina,Yaming?Sure!Whatwouldyouliketoknow?What’sthelargestlakeinChina?It’sQinghaiLake.It’sabeautifulsaltwaterlakeinQinghaiProvince.DoyouknowhowlargetheQinghaiLakeis?It’sabout4,625squarekilometers.Isitagoodplacetovisit?Yes!Manypeoplegotheretoseetheclearbluewaterandlovelybirds.

Cool!Iwanttovisititoneday.

Yaming:

Welcomeback,Ella!Howwasyourtrip?Ella:Itwasgreat!WesawtheHukouWaterfallontheYellowRiver.IsthatthelongestriverinChina?Yaming:No,theYangtzeRiveristhelongestriverinChina.Ittravelsthefarthestandisabout6,300kilometreslong.TheYellowRiveris5,464kilometreslongandis

thesecondlongest.Bytheway,doyouknowwhyit'scalledtheYellowRiver?Ella:Becauseit'syellow?Yaming:Right.Somepartsoftherivercarrybrownandyellowearth.欢迎回来你的旅行怎么样？中国最长的河流流经距离最远第二长的顺便问一下

doyouknowwhy...?你知道为什么……吗？携带棕黄色的泥土Ella:That'sinteresting!Ilikelearningaboutrivers.MyfavouriteistheNile.Didyouknowit'sthelongestriverintheworld?Yaming:Yes,it's6,671kilometreslong.It'sveryimportantinEgypt'shistory.Ella:That'sright.BoththeNileandtheYellowRiverhelpedancientcivilizationsto

develop.Andthey'restillveryimportanttoday.Yaming:Yes.InChina,weevencalltheYellowRiverour"motherriver"!Ella:Weshouldprotectthematallcosts.世界上最长的河流在埃及历史上bothAandB……和……两者都古代文明help...todevelop帮助…发展call...our"motherriver"把……称作我们的“母亲河”protect...atallcosts不惜一切代价保护……Languagepoints1Welcomeback,Ella!Howwasyourtrip?—Howwasyourweekend?

你周末过得怎么样？

—Itwasnotbad.不错。—Howwas/were...?—Itwasgood/great/fantastic./Great!/...

—Itwasnotbad./Terrible./...

……怎么样？用来询问过去的情况好的情况一般或不好的情况……2No,theYangtzeRiveristhelongestriverinChina.主语谓语动词最高级名词主语+谓语动词（+the）+最高级（+名词）+in/of...……在某一范围内或某类人或物中（是）最……（的……）这是最高级的常用结构之一，副词最高级前的the可以省略。Thisisthemostinterestingstoryofall.这个是所有故事中最有趣的。Ericworks(the)

hardestinClass1.在一班埃里克学习最努力。3TheYellowRiveris5,464kilometreslongandisthesecondlongest.主语be动词序数词形容词最高级主语+be动词+the+序数词+形容词最高级（+名词+in/of...）……是（某一范围内或某类人或物中）第……（的……）Samisthesecondtallestboyinhisclass.萨姆是他班里第二高的男生。4BoththeNileandtheYellowRiverhelpedancientcivilizationstodevelop.both...and...……和……都；既……又……通常连接两个并列的成