初中英语人教版八年级下册Unit7 SectionA 1a-2d.ppt

Unit7Whatsthehighestmountainintheworld?,No.12MiddleSchoolMr.Zhang,SectionAPeriod11a2d,TheEarthisourhome,wemustlookafterherwell.,Presentation,squaren.平方;正方形,metern.米,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,tourv.n.旅行,touristn.旅行者,walln.墙,amazingadj.令人大为惊奇的,ancientadj.古代的,wideadj.宽的；宽阔的,Doyouknowtheseplaces?,Qomolangma珠穆朗玛,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43metershigh,thehighestmountainintheworld.Its26kilometerslong.,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries.Itsoneoftheinternational(国际的)riversintheworldandrunsintotheMediterraneanSea(地中海)intheend.,theNile（尼罗河）,theCaspianSea（里海）,TheCaspianSeaisthebiggestlakeintheworld.Itliesintheborder(边界)betweenAsia(亚洲)andEurope.,TheSaharaisthebiggestdesertintheworld.ItliesinthenorthernAfrica.,theSahara（撒哈拉沙漠）,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstlongestAsianrivers.Its6211.31kilometerslong.Itrunsthrough11provinces(省)andrunsintotheEastSeainShanghaifinally.,theYangtzeRiver（长江）,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Canyouremember?,1aMatchthefactsyouknow.,8,844.43metershigh.8,844.43米高metershigh(long,wide,high,thick,deep,old)米高（长，宽)英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g.Thewallis1.7metreswide/high.,Explaination,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,2aListenandnumberthefacts(1-4)intheorderyouhearthem.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,4,2,1,3,2bListenagainandfillintheblankswiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,4,2,1,3,6,300,5,464,5,000,300,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,BadalingpartoftheMingGreatWall.,1.Chinahasthebiggestpopulationintheworld.中国是世界上人口最多的国家。,population意为“人口”时，是一个集合名词。它在句中作主语时，谓语动词通常用单数形式。其常用句型为“Thepopulationof+某地+is+数词”或“某地+hasapopulationof+数词”，表示“某地有多少人口”。分数/百分数ofpopulation作主语，谓语动词用复数。,Languagepoints,Thepopulationofmycityisthreemillion.当表示人口“多”或“少”时，常用形容词large，big或small修饰population。如：Thetownhasalarge/big/smallpopulation.当对人口数量进行提问时，要用疑问词what或howlarge。如：What/Howlargeisthepopulationofyourcountry?,2.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。,feelfree是英语口语中一个常用表达。若有人让你feelfreetodosomething，就是让你无需拘束，只管按照自己的意愿去做某事。,e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。,1)asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。,3.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。Theyrenotcomingtoday,sofarasIknow.他们今天不来了就我所知是这样的。,2)句中man-made是一个合成形容词，意为“人造的”。像这样与-made复合而成的形容词不止一个。用以描述产品的生产或制造手段，特点等，常见的有：hand-made手工制作的home-made家庭制作的machine-made机制的tailor-made量体定制的；特制的；定做的甚至还有像self-made(自学而成的；自我奋斗而成的；天然形成的)可以用来描述人。,.根据语境，选择下列恰当的单词填空，有的需要变换形式，每个限用一次。deep,protect,tourist,wide,population1.TheseAmerican_areallinterestedintheSummerPalace.2.How_isthislake?About30m.ButImnotsure.,Exercises,tourists,deep,deep,protect,tourist,wide,population3.The_ofthiscityis80,000,000.Wow,somanypeople!4.Thisriveris30mlongand12m_.5.Everyoneshouldtrytheirbestto_ourenvironment.,population,wide,protect,.根据汉语意思完成英语句子，每空一词。1.孩子们，桌子上的东西随便吃！Children,_toeatanythingonthetable!2.在所有湖中哪一个最大？Whichoneisthebiggest_?3.他迟到了，主要原因是他起晚了。Hewaslateandthe_wasthathegotuplate.,feelfree,ofal