Unit7What’sthehighestmountainintheworld?Period3SectionAGrammarFocus—4c【课型】语法课学习目标1.能掌握下列单词:ocean,thePacificOcean2.能正确使用以下常用表达:howhigh,longerthan,thedeepestsaltlake,aspopularas,theYangtzeRiver3.能熟练掌握并使用下列重点句式:1)—HowhighisQomolangma?—It’s8,844.43metershigh.2)—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.3)—Whichisthedeepestsaltlakeintheworld?—TheCaspianSea.学习过程【课前预习】用括号内所给单词的适当形式填空。1.Bobis(young)thanFredbut(tall)thanKimi.2.MissChenis(popular)thanMr.Wang.3.Ithinkapplesareas(delicious)asbananas.4.Inthetest,Idideven(bad).5.Adictionaryismuch(expensive)thanastorybook.6.Playingcomputergamesis(interesting)ofall.【课堂探究】探究:形容词比较级和最高级的用法总结(1)形容词比较级的句型结构①形容词的+than+比较对象。表示一个范围内两事物的比较用“比较级+than++单数名词”。Heistallerthananyotherstudentinhisclass.他比他班上任何一个学生的个子都高。②as...as...意为“”,其否定形式为“notso/as...as...”,意为“不及;不与……一样……”。注意as与as之间要用形容词或副词的级。③“the+比较级...,the+比较级...表示“”。Themoreyouread,themoreyouknow.你书读得越多,你知道得就越多。④“比较级+and+比较级”表示“”。Ourcityismoreandmorebeautiful.我们的城市越来越漂亮了。⑤修饰比较级可用等。⑥在选择疑问句中,常用句型:Which/When/Who+be+形容词比较级,AorB?(2)形容词最高级的句型结构①“主语+be+the+形容词+in/of+范围”表示“在某范围内最……”。②“+the+形容词最高级+可数名词复数”表示“最……的……之一”。③“the+(除了first)+形容词最高级+可数名词单数”表示“第几(大,长等)……”。TheYellowRiveristhesecondlongestriverinChina.黄河是中国的第二长河。④选择疑问句中,常用句型:Which/Who...the+形容词最高级,A,BorC?注意:形容词最高级前通常要加。但前面若有物主代词、指示代词或名词所有格等修饰时,不能用定冠词the。【课堂练习】一、用所给单词的适当形式填空。1.Theyalljumpedwith(excite)whentheyheardthegoodnews.2.Themandidn’tgotoworkbecauseofhis(ill).3.(drink)milkisgoodforus.4.Nowmostpandasliveinthe(remain)forests.5.Nowmanypeoplestartto(cut)downtheforests.二、单项选择。1.—HowcanIgetonwellwithmyclassmates?—Trytobefriendlytothem.Thatwillmakeitmuch.A.easilyB.moreeasilyC.easyD.easier2.—Whichcityisyourfavorite?—Hangzhou.It’stheplacethatIwanttovisit.A.worseB.worstC.betterD.best3.Whichsportdoyoulike,swimming,runningorshooting?A.wellB.betterC.bestD.good4.Theactressisalready50,butshelooksthanshereallyis.A.youngB.moreyoungC.moreyoungerD.muchyounger5.—Whichcityhaspopulation,Shanghai,HongKongorQingdao?—Shanghai,Ithink.A.thesmallestB.theleastC.themostD.thelargest6.IstudyEnglishasasmybrother.A.hardB.harderC.hardestD.thehardest7.TheYellowRiverisoneofriversinChina.A.longB.longerC.thelongestD.longest8.Nowairinourtownisthanitusedtobe.Wemuststopit.A.verygoodB.muchbetterC.ratherthanD.evenworse9.Chinahasalargerpopulationthanintheworld.A.allthecountriesB.everycountryC.anycountryD.anyothercountry10.Thesickboyisgettingdaybyday.A.worseB.badC.badlyD.worst【自我反思】1.我的收获:2.我的易错点:参考答案课前预习1.younger;taller2.morepopular3.delicious4.worse5.moreexpensive6.themostinteresting课堂探究探究:(1)①比较级;anyother②与……一样;原③越……,越……④越来越……⑤much,alittle,even,still,alot(2)①最高级②oneof③序数词④定冠词the课堂练习一、1.excitement2.illness3.Drinking4.remaining5.cut二、1~5.DDCDD6~10.ACDDA
