英语人教版八年级下册unit 7 period one.ppt

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1、Unit7What’sthehighestmountainintheworld?SectionAPeriod1Whatisyourfavoritesubject?Canyouguesswhatmyfavoritesubjectis?Whatcanwelearninageographyclass?geographymountaindesertriverlakeseasaltlakefreshlakeWhatisthehighestmountainintheworld?Doyouknow?QomolangmaQomolangmaDoyouknowhowhighitis?Itis8,8

2、44.43metershigh.Whatisthebiggestdesertintheworld?TheSahara.theSaharaDoyouknowhowbigitis?Itis9,600,000squarekilometersinsize.theCaspianSeaWhatisthelongestriverintheworld?TheNile.theNileQomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile

3、8,844.43metershigh1a.Matchthefactsyouknow.Canyoureadthenumbers?2710121520345789100112200ninepointsixmilliononethousandandtwenty-fivesixthousand,sixhundredandseventy-oneeightthousandeighthundredandforty-fourpointfourthree9,600,0001,0256,6718,844.43Usetheinformationin1btomakeconversationsA:What

4、isthehighestmountainintheworld?B:Qomolangma.1)A:Whatisthebiggestdesertintheworld?B:TheSahara.2)A:Whatisthedeepestsaltlakeintheworld?B:TheCaspiansea.Pairwork3)A:Whatisthelongestriverintheworld?B:TheNile.1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais__________desertintheworl

5、d.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongestTheComparativeSuperlativeDegreesofAdjectives&Adverbs复习形容词和副词比较级和最高级大多数形容词和副词有三个等级：原级、比较级、最高级。形容词比较级和最高级的构成1.构成的规则变化:2.构成的不规则变化:short-shorte

6、rsmall-smallernicenicersafesafer------bigthinheavyheavierhappyhappier找规律：bigbiggerthinthinnerdelicious–moredeliciousinteresting–moreinterestingimportant—moreimportantcarefully---morecarefullyquickly---morequicklyslowly---moreslowlyeasily---moreeasily找规律：根据所给词的适当形式填空1.Lilygetsup______(early)th

7、anLucy.2.Whichgoes__________(slowly),TomorJim?3.Thisbookis_______________(interesting)thanthatone.4.Sheworks________________(careful)inherschool.5.Whogoestobed_________(late)Jim,TomorJack?6.Ithinkturkeyis________________(delicious)ofall.