2014最新课件八年级下Unit_7_Wahts_the_highest_mountain_in_the_world_Section_A.ppt

Unit7Whatsthehighestmountainintheworld？SectionA,Thesecondlongestriverintheworld,-Doyouknowitsname?-ItisAmazon.-Doyouknowhowlongitis?-Itsabout6,500kilometerslong.,Theworldshighestmountainintheworld.,Doyouknowhowhighitis?,Itis8,844.43metershigh.,Qomolangma,DoyouknowSaharaisthebiggestdesertintheworld?,Yes,itisabout9,600,000squarekilometersinsize.,Sahara,sizen.1.大小CUWhatsthesizeofthepark?2.尺码,号CThisshirtisyoursize.,Theworldsdeepestsaltlake,TheCaspianSea,DoyouknowthathowdeeptheworldsdeepestSaltlake?,Yes,itis1,025metersdeep.,ThelongestriverinAsia.,TheYangtzeRiver,DoyouknowthattheYangtzeRiveristhelongestriverinAsia?,Yes,itis6,300kilometerslong.,Its8,844.43metershigh.它有8,844米高。Itismetershigh(long,wide).它米高（长,宽)。“有多长（宽，高）”时，将数词和数量单位放在表示长宽高的形容词前,翻译句子1.这张桌子两米长，一米宽。2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？1025米深。,Thetableistwometerslongandonemeterwide.,Themountainis1,500metershigh.,Thebuildingis120meterstall.,Thedictionaryisfivecentimetersthick.,Howdeepisthelake?Its1,025metersdeep.,Chinahasthebiggestpopulationintheworld.一、population常与定冠词the连用,作主语用时,谓语动词常用第三人称单数形式。二、当主语是表示人口的百分之几、几分之几时,谓语动词用复数形式。AboutseventypercentofthepopulationinChinaarefarmers.三、有时population可用作可数名词,其前可用不定冠词。Chinahasapopulationofabout1.3billion四、表示人口的多或少,不用much或little,而要用large或small。五、询问某国、某地有多少人口时,不用Howmuch.?,而用Howlarge.?;在问具体人口时用What.?。,Theworldspopulationisincreasingfasterandfaster.,1FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管随意问我任何问题。feelfreetodosth随意做某事CanIuseyourbathroom?Yes,feelfree.2ancientadj.古代的古老的Mygrandmotheroftentellsmeoldancientstories.,3protectv.保护protect.from/against保护.使不受protectionun.保护，防御undertheprotectionof在.的保护下Sunglassesareusedforprotectingoureyesinthesun.4AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样在的人造物体了。asfarasIknow据我所知AsfarasIknow,Tomhasatwinsister.,5achievementn.成就成绩achievev.ThisisawonderfulachievementinChinesehistory.6southwesternadj.西南的southwestn.Ourhometownisinthesouthwesternpartofthiscity.7thickadj.厚的、茂密的、粗的、浓的Thereisthickfoginthemorninginthismountainarea.,8Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.更加严峻的困难包括极冷的天气状况和巨大的风暴。1）difficulty困难Ifyouhaveanydifficulties,youcancallmeforhelp.Wefoundthehousewithoutdifficulty.2）includevt.包括包含其中一部分includedadj,位于名词或代词之后，包括在内including介词和后面名词、代词构成介宾短语。OursubjectsincludeChinese,Englishmathandsoon.Myfamilyincludesmyfather,mymother,mybrotherandme.Therearefourpeopleinmyfamily,meincluded.Therearefourpeopleinmyfamily,includingme.,9freezingadj.冰冻的n.冰点v.结冰，凝固Itisfreezingoutside,andputonyourwintercoat.10conditionn.条件状况onconditionthat+从句如果.,在.条件下Thepianowasingoodcondition.,11takein吸入；吞入（体内）1、Largefishtakesinsmallfishinthesea.2、Theclubtookinanewnumberlastweek.把衣服改窄Thedressneedstobetakeninabit.,12succeedv.成功successn.successfuladj.successfullyadv.succeedindoingsth成功做成某事succeedwithsth在某方面获得成功Ihopeshewillsucceedsoonbyworkinghard.13challengev.挑战;考验n.挑战书；邀请Itisabigchallengeforthegirltodohouseworkbyherself.Theboychallengedhisfriendtoafightafterschool.14inthefaceof面对（困难，问题等）Theyshowedtheircourageinthefaceofdifficulty.,15Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.这些登山者的精神向我们表明：我们决不应该放弃实现自己的梦想的尝试。1）giveupdoingsth放弃做某事Hegaveupsmokingafterhegotoutofthehospital.2）achieveourdream实现。=makeourdreamcometrueachievementn.成就，业绩（cn）实现，达到，成功（不可数）Heachievedgreatsuccessinashorttime.,16forcen.力量表物质方面的“力”，cn表物理方面的“力”,unThearmywasthemostimportantforceinthecountry.v.强迫；迫使forcesb.todosth.(=odoingsth.)“强迫某人做某事”17naturen.大自然naturaladj.自然的；天然的Thebeautyofnaturemakespeopleforgettrouble.,longest,longer,high,popular,big,older,much,Reviewadjnlonglengthwidewidthdeepdepthhighheighttalltallnessthickthickness,。的高度。的人口。的长度。的速度每小时人造建筑,theheightof,thepopulationof,thelengthof,thespeedof,perhour,man-madestructures,你能写出它的同义句吗？Themountainis1,500metershigh.,Themountainis1,500metersinheight.Theheightofthemountainis1,500meters.,世界最高的山最长的河第二长河最大的沙漠竹林最普遍的动物人口最密集的地方最古老的文明国家之一像。一样,theworldshighestmountainthehighestmountainintheworld,thelongestriver,thesecondlongestriver,thebiggestdesert,bambooforests,themostcommonanimals,themostpopulatedplace,oneoftheoldestcivilizations,asas,1)TheSaharaisthebiggestdesertintheworld.形容词最高级前通常必须用定冠词the，副词最高级前可不用。形容词most前面没有the，不表示最高级的含义，只表示非常。Itisamostimportantproblem.=Itisaveryimportantproblem.,Grammar,注意:使用最高级要注意将主语包括在比较范围内。(错)Tomisthetallestofhisthreebrothers.(对)Tomisthetallestofthethreebrothers.2)下列词可修饰最高级，byfar,far,much,mostly,almostThishatisnearly/almostthebiggest.,注意：a.very可修饰最高级,但位置与much不同。Thisistheverybest.Thisismuchthebest.b.序数词通常只修饰最高级。Africaisthesecondlargestcontinent.3)句型转换：Mikeisthemostintelligentinhisclass.Mikeismoreintelligentthananyotherstudentsinhisclass.,4)否定词语+比较级，否定词语+soas结构表示最高级含义。Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.,1.-Whichis_seasoninBeijing?(2003年)-Ithinkitsautumn.A.goodB.betterC.bestD.thebest,该题的核心词为season。根据比较级与最高级的知识,两者之间用比较级,而三者或三者以上用最高级,北京有四季,因此本题应选择最高级。又因为形容词最高级前要加定冠词the,因此答案为D。,2.-Whichis_,thesun,themoonortheearth?(2004年)-Ofcourse,themoonis.A.smallB.smallerC.smallestD.thesmallest解析：正确答案为D。该题的核心词在第一句句尾，thesun,themoonorth