最新魯教版八年級上冊英語課件：第五單元-section-A3

Unit5What'sthehighestmountainintheworld?Unit5SectionA3Grammarfocus~4c2022/12/252SectionA32022/12/202Grammarfocus—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.2022/12/253Grammarfocus—What’sthehigh—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.2022/12/254—Whichisthedeepestsaltla大多數(shù)形容詞有三個級。1.原級:Structure:as...as...像..….一樣e.g.TimisastallasTom.2.比較級(用于兩者之間的比較):Structure：形容詞比較級＋than...e.g.Thisboxisbiggerthanthatone.形容詞和副詞的比較級和最高級大多數(shù)形容詞有三個級。形容詞和副詞的比較級和最高級3.最高級(用于三者或三者以上的比較):Structure:the+形容詞的最高級＋of/in...e.g.Tomistheheaviestinourclass.

Heisthemostpopularinourschool.3.最高級(用于三者或三者以上的比較):規(guī)則變化1)一般情況下，單音節(jié)或雙音節(jié)的形容詞/副詞比較級＋er，最高級＋est。如:clever—cleverer—cleverestfew—fewer—fewestsmall—smaller—smallest等。形容詞、副詞的比較級和最高級規(guī)則變化和不規(guī)則變化規(guī)則變化形容詞、副詞的比較級和最高級2)以e結尾的詞，比較級＋r，最高級＋st即可。如：nice—nicer—nicestcute—cuter—cutestlarge—larger—largest3)以輔音字母＋y結尾的變y為i＋er或est

如:easy—easier—easiesthappy—happier—happiest再如：early,busy,heavy,dirty,lazy也如此。2)以e結尾的詞，比較級＋r，最高級＋st即可。如：4)重讀閉音節(jié)，單輔音結尾的，雙寫這個輔音字母＋er或est的詞：①fat—fatter—fattest②thin—thinner—thinnest③hot—hotter—hottest④wet—wetter—wettest⑤big—bigger—biggest4)重讀閉音節(jié)，單輔音結尾的，雙寫這個輔音字母＋er或5)多音節(jié)和部分雙音節(jié)的詞需要在形容詞原級前＋more構成比較級，＋themost構成最高級。如：beautiful－morebeautiful－themostbeautiful又如:delicious,popular,important,interesting,expensive,creative雙音節(jié)的詞如:

careful－morecareful－themostcareful

useful－moreuseful－themostuseful5)多音節(jié)和部分雙音節(jié)的詞需要在形容詞少數(shù)單音節(jié)詞也是這樣，如：pleased—morepleased—themostpleasedtired—moretired—themosttiredb)不規(guī)則變化：good—better—bestwell—better—bestbad—worse—worstmany/much—more—most少數(shù)單音節(jié)詞也是這樣，如：far—farther—farthest(距離遠)far—further—furthest(程度深)old—elder—eldest(長幼)old—older—oldest(年齡)far—farther—farthest三者或三者以上相比，表示最高程度時，用“the+最高級”的結構表示。這種句式一般常有表示比較范圍的介詞短語。例如：ZhangHuaisthetallestofthethree.Heworks(the)hardestinhisclass.最高級的用法三者或三者以上相比，表示最高程度時，用“the+最高級”2.最高級可被序數(shù)詞以及much，byfar，nearly，almost，bynomeans，notquite，notreally，nothinglike等詞語所修飾。例如：Thishatisbyfar／much／nearly／almost／notnearly／bynomeans／notquite／nothinglikethebiggest.Howmuchdidthesecondmostexpensivehatcost?2.最高級可被序數(shù)詞以及much，byfar，near3.表示“最高程度”的形容詞，如excellent，extreme，perfect等，沒有最高級，也不能用比較級。4.形容詞最高級修飾作表語或介詞賓語的名詞、代詞時，被修飾的詞往往省略。e.g.Heisthetallest(boy)inhisclass.5.作狀語的副詞最高級前可以不加定冠詞。e.g.Ofalltheboyshecame(the)earliest.3.表示“最高程度”的形容詞，如excellent，ex比較級考點①比較級修飾問題

alittle,abit,even,still,much,alot,far等可修飾比較級。e.g.TomisalittletallerthanJim.

Thisbookismuchmoreinterestingthanthatone.中考鏈接比較級考點中考鏈接②同級比較e.g.TheweatherinBeijingiscolderthanthatinXi’an.

③the+比較級e.g.Lucyisthefatterofthetwogirls.②同級比較④“a/an+比較級”

表示“又一，再一”e.g.Lilyhasadoll,butshewants

abiggerone.⑤隱性比較（沒有than的情況）e.g.Whorunsfaster,LucyorLily?

You’dbettercomeearliernexttime.

Heworkedhardlastterm,butheworksevenharderthisterm.④“a/an+比較級”

表示“又一，再一”⑥越來越......

比較級+and+比較級b.the+比較級+句子，the+比較級+句子e.g.It’sgettingcolderandcolder.

Themoreyouexercise,thebetteryouare.⑥越來越......2.最高級考點說明：形容詞的最高級前必須加the；副詞的最高級前省略the。①范圍問題e.g.Tomisthetalleststudentintheclass.

Springisthebestseasonoftheyear.2.最高級考點②“......之一”問題e.g.Beijingisoneofthebiggestcitiesintheworld.③“the+序數(shù)詞+最高級”e.g.Ithinkheisthesecondtallestboyinhisclass.②“......之一”問題3.比較級和最高級的轉換e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentintheclass.=Tomistallerthanalltheotherstudentsintheclass.=NootherstudentsaretallerthanTom.3.比較級和最高級的轉換總結：①anyother+名詞單數(shù)

theother+名詞復數(shù)②否定+比較級=最高級

比較級+極限=最高級總結：①anyother+名詞單數(shù)

同級比較①as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.②not+as/so+adj./adv.+ase.g.Tonydidn’trunsofastasCarter.同級比較1.Ourfamilyhasboughtacarsowecantravel_____thanbefore.（2008陜西）

mosteasily

B.lesseasily

C.easily

D.moreeasily

2.Myfathertoldmeastorylastnight.Itis____oneI’veeverheard.（2009陜西）

thefunniest

B.funniest

C.funnier

D.thefunnier

學以致用DA1.Ourfamilyhasboughtacar3.The_____friendsyouhave,the____youwillbe.（2010陜西）

A.more,happy

B.many,happy

C.more,happier

D.many,happier4.Whenheheardacryforhelp,heranoutas_______ashecould.（2011陜西）

hardly

B.quickly

C.finally

D.slowlyCB3.The_____friendsyouhave,5.ThisplaceisnotbigenoughforLucy’sbirthdayparty.Weshouldfinda_____one.（2012陜西）

big

B.small

C.bigger

D.smallerC5.ThisplaceisnotbigenougFillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_______ riversintheworld.It’salittle_______ thantheYangtzeRiver.2.Qomolangmais8,844.43meters_____. It’soneofthemost________placesfor seriousmountainclimbers.longestlongerhighpopular4aFillintheblankswiththeco3.Nooceanintheworldisas_____as thePacificOcean.4.AlthoughJapanis_______than Canada,itis_______smaller.bigoldermuch太平洋n.大海；海洋3.NooceanintheworldisasWritetwocomparisonsabouttwotopics.Writetruefacts.Tworivers:_________________and___________________________________________________________________________________________________________________________________________________________________________________________4bTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiverWritetwocomparisonsabouttwTwocities:___________and___________1._______________________________.2._______________________________.Twoanimals:___________and___________1._______________________________.2._______________________________.Twocities:___________and__Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.Writing1._________________________________2._________________________________3._________________________________4._________________________________5._________________________________4cWhatisthehighestbuildinginourcity?Writefivequestionsusingcom1.—Whichis____seasoninBeijing?—Ithinkit’sautumn.A.goodB.betterC.bestD.thebest2.—Whichis____,thesun,themoonortheearth?—Themoonis.smallB.smallerC.smallestD.thesmallestDD1.—Whichis____seasoninB3.IstudyEnglishas____asmybrother.A.hardB.harderC.hardest4.Whichis____,abicycleoracomputer?A.expensiveB.moreexpensiveC.themostexpensive5.TheYellowRiverisoneof______riversinChina.A.longB.longerC.thelongestABC3.IstudyEnglishas____asHomework1.Tomemorizetheimportantphrasesandsentences.2.Tomakesomesentencesusingas…as,...times…than,lessthan,morethanHomework1.TomemorizetheiUnit5What'sthehighestmountainintheworld?Unit5SectionA3Grammarfocus~4c2022/12/2537SectionA32022/12/202Grammarfocus—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.2022/12/2538Grammarfocus—What’sthehigh—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.2022/12/2539—Whichisthedeepestsaltla大多數(shù)形容詞有三個級。1.原級:Structure:as...as...像..….一樣e.g.TimisastallasTom.2.比較級(用于兩者之間的比較):Structure：形容詞比較級＋than...e.g.Thisboxisbiggerthanthatone.形容詞和副詞的比較級和最高級大多數(shù)形容詞有三個級。形容詞和副詞的比較級和最高級3.最高級(用于三者或三者以上的比較):Structure:the+形容詞的最高級＋of/in...e.g.Tomistheheaviestinourclass.

Heisthemostpopularinourschool.3.最高級(用于三者或三者以上的比較):規(guī)則變化1)一般情況下，單音節(jié)或雙音節(jié)的形容詞/副詞比較級＋er，最高級＋est。如:clever—cleverer—cleverestfew—fewer—fewestsmall—smaller—smallest等。形容詞、副詞的比較級和最高級規(guī)則變化和不規(guī)則變化規(guī)則變化形容詞、副詞的比較級和最高級2)以e結尾的詞，比較級＋r，最高級＋st即可。如：nice—nicer—nicestcute—cuter—cutestlarge—larger—largest3)以輔音字母＋y結尾的變y為i＋er或est

如:easy—easier—easiesthappy—happier—happiest再如：early,busy,heavy,dirty,lazy也如此。2)以e結尾的詞，比較級＋r，最高級＋st即可。如：4)重讀閉音節(jié)，單輔音結尾的，雙寫這個輔音字母＋er或est的詞：①fat—fatter—fattest②thin—thinner—thinnest③hot—hotter—hottest④wet—wetter—wettest⑤big—bigger—biggest4)重讀閉音節(jié)，單輔音結尾的，雙寫這個輔音字母＋er或5)多音節(jié)和部分雙音節(jié)的詞需要在形容詞原級前＋more構成比較級，＋themost構成最高級。如：beautiful－morebeautiful－themostbeautiful又如:delicious,popular,important,interesting,expensive,creative雙音節(jié)的詞如:

careful－morecareful－themostcareful

useful－moreuseful－themostuseful5)多音節(jié)和部分雙音節(jié)的詞需要在形容詞少數(shù)單音節(jié)詞也是這樣，如：pleased—morepleased—themostpleasedtired—moretired—themosttiredb)不規(guī)則變化：good—better—bestwell—better—bestbad—worse—worstmany/much—more—most少數(shù)單音節(jié)詞也是這樣，如：far—farther—farthest(距離遠)far—further—furthest(程度深)old—elder—eldest(長幼)old—older—oldest(年齡)far—farther—farthest三者或三者以上相比，表示最高程度時，用“the+最高級”的結構表示。這種句式一般常有表示比較范圍的介詞短語。例如：ZhangHuaisthetallestofthethree.Heworks(the)hardestinhisclass.最高級的用法三者或三者以上相比，表示最高程度時，用“the+最高級”2.最高級可被序數(shù)詞以及much，byfar，nearly，almost，bynomeans，notquite，notreally，nothinglike等詞語所修飾。例如：Thishatisbyfar／much／nearly／almost／notnearly／bynomeans／notquite／nothinglikethebiggest.Howmuchdidthesecondmostexpensivehatcost?2.最高級可被序數(shù)詞以及much，byfar，near3.表示“最高程度”的形容詞，如excellent，extreme，perfect等，沒有最高級，也不能用比較級。4.形容詞最高級修飾作表語或介詞賓語的名詞、代詞時，被修飾的詞往往省略。e.g.Heisthetallest(boy)inhisclass.5.作狀語的副詞最高級前可以不加定冠詞。e.g.Ofalltheboyshecame(the)earliest.3.表示“最高程度”的形容詞，如excellent，ex比較級考點①比較級修飾問題

alittle,abit,even,still,much,alot,far等可修飾比較級。e.g.TomisalittletallerthanJim.

Thisbookismuchmoreinterestingthanthatone.中考鏈接比較級考點中考鏈接②同級比較e.g.TheweatherinBeijingiscolderthanthatinXi’an.

③the+比較級e.g.Lucyisthefatterofthetwogirls.②同級比較④“a/an+比較級”

表示“又一，再一”e.g.Lilyhasadoll,butshewants

abiggerone.⑤隱性比較（沒有than的情況）e.g.Whorunsfaster,LucyorLily?

You’dbettercomeearliernexttime.

Heworkedhardlastterm,butheworksevenharderthisterm.④“a/an+比較級”

表示“又一，再一”⑥越來越......

比較級+and+比較級b.the+比較級+句子，the+比較級+句子e.g.It’sgettingcolderandcolder.

Themoreyouexercise,thebetteryouare.⑥越來越......2.最高級考點說明：形容詞的最高級前必須加the；副詞的最高級前省略the。①范圍問題e.g.Tomisthetalleststudentintheclass.

Springisthebestseasonoftheyear.2.最高級考點②“......之一”問題e.g.Beijingisoneofthebiggestcitiesintheworld.③“the+序數(shù)詞+最高級”e.g.Ithinkheisthesecondtallestboyinhisclass.②“......之一”問題3.比較級和最高級的轉換e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentintheclass.=Tomistallerthanalltheotherstudentsintheclass.=NootherstudentsaretallerthanTom.3.比較級和最高級的轉換總結：①anyother+名詞單數(shù)

theother+名詞復數(shù)②否定+比較級=最高級

比較級+極限=最高級總結：①anyother+名詞單數(shù)

同級比較①as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.②not+as/so+adj./adv.+ase.g.Tonydidn’trunsofastasCarter.同級比較1.Ourfamilyhasboughtacarsowecantravel_____thanbefore.（2008陜西）

mosteasily

B.lesseasily

C.easily

D.moreeasily

2.Myfathertoldmeastorylastnight.Itis____oneI’veeverheard.（2009陜西）

thefunniest

B.funniest

C.funnier

D.thefunnier

學以致用DA1.Ourfamilyhasboughtacar3.The_____friendsyouhave,the____youwillbe.（2010陜西）

A.more,happy

B.many,happy

C.more,happier

D.many,happier4.Whenheheardacryforhelp,heranoutas_______ashecould.（2011陜西）

hardly

B.quickly

C.finally

D.slowlyCB3.The_____friendsyouhave,5.ThisplaceisnotbigenoughforLucy’sbirthdayparty.Weshouldfinda_____one.（2012陜西）

big

B.small

C.bigger

D.smallerC5.ThisplaceisnotbigenougFillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_______ riversintheworld.It’salittle_______ thantheYangtzeRiver.2.Qomolangmais8,844.43meters_____. It’soneofthemost________placesfor seriousmountainclimbers.longestlongerhighpopular4aFillintheblankswiththeco3.Nooceanintheworldisas_____as thePacificOcean.4.AlthoughJapanis_______than Canada,itis_______smaller.bigoldermuch太平洋n.大海；海洋3.NooceanintheworldisasWritetwocomparisonsabouttwotopics.Writetruefacts.Tworivers:_________________and___________________________________________________________________________________________________________________________________________________________________________________________4bTheYangtze