八年级下册unit7SectionA课件

Unit7What’sthehighestmountainintheworld？SectionAThesecondlongestriverintheworld-Doyouknowitsname?-ItisAmazon.-Doyouknowhowlongitis?-It’sabout6,500kilometerslong.Theworld’s

highestmountainintheworld.Doyouknow

howhighitis?Itis8,844metershigh.QomolangmaDoyouknowSaharaisthebiggestdesertintheworld?Yes,itisabout9,600,000squarekilometersinsize.Saharasizen.1.大小[C][U]What’sthesizeofthepark?2.尺码,号[C]Thisshirtisyoursize.Theworld’sdeepestsaltlakeTheCaspianSeaDoyouknowthathowdeeptheworld’sdeepestSaltlake?Yes,itis1,025metersdeep.ThelongestriverinAsia.TheYangtzeRiverDoyouknowthattheYangtzeRiveristhelongestriverinAsia?Yes,itis6,300kilometerslong.It’s8,844metershigh.它有8,844米高。

Itis…metershigh(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?It’s1,o25metersdeep.

1.Qomolangmais ________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.A:Whatisthebiggestdesertintheworld?B:Sahara.A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.PairworkA:Whatisthelongestriverintheworld?B:Nile.______TheYangtzeRiverisabout________ kilometerslongandtheYellowRiveris __________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.2a.Listenandnumberthefacts[1-4]intheorderyouhearthem.6,300 5,000 5,464 30024____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.132b.Listenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________ kilometerslongandtheYellowRiveris __________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,300 5,000 5,464 300246,3005,464____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.135,000300A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.2c.Makeconversationsusingtheinformationin2a.Groupwork1Feelfreetoaskmeanythingontoday’sGreatWalltour.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.Thisisawonderful

achievement

inChinesehistory.6southwesternadj.西南的southwestn.Ourhometownisinthesouthwesternpartofthiscity.7thickadj.厚的浓的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）includev.包括OursubjectsincludeChinese,Englishmathandsoon.9freezingadj.冰冻的Itis

freezing

outside,andputonyourwintercoat.10conditionn.条件状况Thepianowasingood

condition.11takeinLargefishtakesinsmallfishinthesea.12succeedv.成功successn.successfuladj.successfullyadv.Ihopeshewillsucceedsoonbyworkinghard.13challengev.挑战Itisabigchallengeforthegirltodohouseworkbyherself.Theboychallengedhisfriendtoafightafterschool.14inthefaceof

面对Theyshowedtheircourage

in

the

face

of

difficulty.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。。。=makeourdreamcometrueHeachievedgreatsuccessinashorttime.16forcen.力量Thearmywasthemostimportantforce

inthecountry.17naturen.大自然Thebeautyofnaturemakespeopleforgettrouble.longestlongerhighpopularbigoldermuchReviewadjnlonglengthwidewidthdeepdepthhighheighttalltallnessthickthickness

。。的高度。。的人口。。的长度。。的速度每小时人造建筑theheightofthepopulationofthelengthofthespeedofperhourman-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theworld’shighestmountainthehighestmountainintheworldthelongestriverthesecondlongestriverthebiggestdesertbambooforeststhemostcommonanimalsthemostpopulatedplaceoneoftheoldestcivilizationsas…as1)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/almostthe

biggest.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。Africaisthe

secondlargestcontinent.3)句型转换：Mikeisthemostintelligentinhisclass.Mikeismoreintelligent

thananyotherstudentsinhisclass.4)"否定词语+比较级"，"否定词语+so…as"结构表示最高级含义。Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.

1.-Whichis____seasoninBeijing?(2003年)

-Ithi