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Unit7What’sthehighestmountainintheworld？SectionAsquaren.平方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；宽阔和Thesecondlongestriverintheworld-Doyouknowitsname?-ItisAmazon.-Doyouknowhowlongitis?-It’sabout6,500kilometerslong.Theworld’shighestmountainintheworld.Doyouknowhowhighitis?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.1Feelfreetoaskmeanythingontoday’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.ThisisawonderfulachievementinChinesehistory.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Itisfreezingoutside,andputonyourwintercoat.10conditionn.条件状况Thepianowasingoodcondition.11takeinLargefishtakesinsmallfishinthesea.12succeedv.成功successn.successfuladj.successfullyadv.Ihopeshewillsucceedsoonbyworkinghard.13challengev.挑战Itisabigchallengeforthegirltodohouseworkbyherself.Theboychallengedhisfriendtoafightafterschool.14inthefaceof面对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。。。=makeourdreamcometrueHeachievedgreatsuccessinashorttime.16forcen.力量Thearmywasthemostimportantforceinthecountry.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/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+so…as结构表示最高级含义。Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.1.-Whichis____seasoninBeijing?(2003年)-Ithinkit'sautumn.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,themoonortheearth,提问的对象为三者，应该选择最高级。3.TheairinBeijingisgettingmuch_____nowthanafewyearsago.(2005年)A.cleanB.cleanerC.cleanestD.thecleanest该题的核心词为than，than一词是比较级的标志。4.Mobilephonesareverypopularnowandtheyare_____thanbefore.(2005年)A.cheapB.cheaperC.cheapestD.thecheapest该题与第三题相似，核心词为than。