人教版2025八年级下册英语U7 SectionA 1a-2d 课件.pptxVIP

Unit7

What’sthehighestmountainintheworld?

SectionA(1a—1c);Whichisthehighestmountainintheworld?;HowhighisQomolangma?;Whichisthebiggestdesertintheworld?;Howtoreadnumbers;Matchthegeographicalfactsyouknow.;;TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.;P49.1bListenandcompletethesentences.;形容词或副词的最高级：1）规则变化：

1.单音节形容词、副词在词尾加－-est:

great-greatest

2.以不发音的e结尾的单音节形容词、副词在词尾加--st:

wide-widest

3.以辅音字母加y结尾的形容词、副词，变y为i加-est

happy-happiest;busy-busiest;

4.以重读闭音节结尾的辅元音，双唇辅音再加est:

big-biggest;thin-thinner;;5.多音节词和部分双音节词在词前加themost

serious-themostseriousbeautiful--themostbeautiful

6.由动词+ing/ed构成的形容词，在词前加themost

interesting--mostinteresting;

excited-mostexcited;

7.由形容词+ly构成的副词，在该副词前加themost

slowly-mostslowly;happily-mosthappily

2）不规则变化：

good-best;bad-worst

many-most;little-least

far-farthest;far-furthest;Qomolangma;Usetheinformationin1btomakeconversations.;It’sthelengthoftheYangtzeRiver.;It’sthelengthoftheYellowRiver.;It’stheheightofQomolangma.;ItisthesizeofChina;Asia

[?e???]

亚洲;TheYangtzeRiveristhe________________riverinChina.;ThePopulation;9,596,960k㎡;;;;HewhodoesnotreachtheGreatWallisnotarealman!

不到长城非好汉;;Tourist2:Wow,thats_________!Whydidtheancientemperorsbuildthewall?

Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,itsquite____________.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.

Tourist3:IsBadalingpartoftheMingGreatWall?

Guide:Yes,itsthemostfamouspart.;feelfreetodo

themostpopularquestion

talkabout

theMingDynasty

theancientemperors

themainreason

asfarasIknow/sofarasIknow

theMingGreatWall

asyoucansee;Ⅰ.?根据句意，从方框中选择恰当的单词填空，有的需要变换形式