人教版（2024）八年級(jí)英語上冊(cè)Unit4AmazingPlantsandAnimalsSectionAGrammarFocusUnit4AmazingPlantsandAnimalsSectionAGrammarFocus-3cLet’senjoyvideos.WarmingupNewwordswing/w??/

n.

翅膀；翼frog/fr?ɡ/

n.蛙；青蛙weigh/we?/

v.有......重；稱重量Newwordskg(=kilogram;kilogramme)千克；公斤ginkgo/?ɡ??k??/n.銀杏Thebluewhaleisthelargestandheaviestanimalintheworld.ThebiggestlandanimalintheworldistheAfricanelephants.Thecheetahrunsfastestamongalllandanimals.Ithinkthemostusefulplantintheworldisbamboo.Itisperhapsthemostinterestingplantintheworld.3a.Readthesentencesandnoticethewordsinbold.Whatarethewaystoformasuperlativeadjectiveoradverb?形容詞、副詞的最高級(jí)用于三個(gè)或三個(gè)以上的人或事物之間的比較，常用of/in短語來說明比較的范圍。形容詞最高級(jí)前要加定冠詞the，副詞最高級(jí)前的the可省略。

定義特點(diǎn)形容詞、副詞的最高級(jí)Itisthemostpopularcinemainthecity.Heis

the

tallest

ofthethree.Heruns(the)fastest.Newwordsprovince/?pr?v?ns/

n.省份believe/b??li?v/v.相信；認(rèn)為有可能Newwordsland/l?nd/n.陸地；土地

v.

降落；著陸African/??fr?k?n/adj.非洲的；非洲人的

n.非洲人rose/r??z/n.

玫瑰；薔薇peony/?pi??ni/n.牡丹；芍藥lotus/?l??t?s/n.蓮花butterfly/?b?t?fla?/

n.

蝴蝶wing/w??/

n.

翅膀；翼形/副詞最高級(jí)的構(gòu)成（規(guī)則變化）構(gòu)成方法原級(jí)最高級(jí)單音節(jié)詞和部分雙音節(jié)詞hightallhighesttallestfinenicefinestnicestbigthinbiggestthinnesteasyfunnyearlyeasiestfunniestearliest1.一般在詞匯尾加-est2.以字母e結(jié)尾的詞，在詞尾加-st3.重讀閉音節(jié)詞詞尾只有一個(gè)輔音字母時(shí)，先雙寫該輔音字母，再加-est4.以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先把“y”變?yōu)椤癷”，再加-estNewwordsfrog/fr?ɡ/

n.蛙；青蛙weigh/we?/

v.有......重；稱重量kg(=kilogram;kilogramme)/b??d/千克；公斤ginkgo/ska?/n.銀杏believe/b??li?v/v.相信；認(rèn)為有可能province/?pr?v?ns/n.省份Let’slearn.最高級(jí)變化規(guī)律---------------------biggest重讀閉音節(jié)結(jié)尾雙寫尾字母再加estLet’slearn.最高級(jí)變化規(guī)律heavestyi輔音字母+y結(jié)尾去y為i，加estMountEverestis

mountainintheworld.

thehighestTheSaharaDesertis

hotdesertintheworld.thelargest撒哈拉沙漠MountEverestis

mountainintheworld.

thehighestTheSaharaDesertis

hotdesertintheworld.thelargestTheNileRiveris

riverintheworld.thelongest尼羅河Let’slearn.最高級(jí)變化規(guī)律beauextifulpensivecomfortablemostmostmost部分雙音節(jié)詞和多音節(jié)詞(>2)，最高級(jí)前加mostLet’slearn.最高級(jí)的構(gòu)成單音節(jié)詞和部分雙音節(jié)詞一般情況下，最高級(jí)詞尾加-est以字母e結(jié)尾的詞，最高級(jí)詞尾加-st重讀閉音節(jié)詞尾只有一個(gè)輔音字母時(shí)，先雙寫該輔音字母，然后最高級(jí)詞尾加-est以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先把y改為i，然后最高級(jí)詞尾加-est多音節(jié)詞和部分雙音節(jié)詞詞前加most構(gòu)成最高級(jí)MountEverestis

mountainintheworld.

thehighestTheSaharaDesertis

hotdesertintheworld.thelargestTheNileRiveris

riverintheworld.thelongestTheNorthernLightsis

naturallightshows.themostbreathtaking北極光MountEverestis

mountainintheworld.

thehighestTheSaharaDesertis

hotdesertintheworld.thelargestTheNileRiveris

riverintheworld.thelongestTheNorthernLightsis

naturallightshows.themostbreathtakingTheelephantbirdsrun

amongalltheanimals.thefastestancient、beautiful、common、good、popularTheginkgotreeisoneof

livingtreesonearth.Ginkgotreesfirstappearedover200millionyearsago.Chinesepeoplelovetheginkgo,asitisasymbolofhopeandlonglife.ManyChinesebelievethattheoldginkgotreeintheZhongnanMountainsinShaanxiProvinceis

.Thistreeisover1,400yearsold.Thousandsoftouristscometoseeiteachyear,especiallyinmid-October,asitis

timetoseeit.Theginkgotreeisoneof

treesinstreets,parks,andgardensacrossChina.Whenautumncomes,oneof

activitiesistotakeawalkunderginkgotrees.Peoplebelievethebrightyellowleavescanbringjoytotheirheart.Activity2:Completethepassagewiththesuperlativeformsofthewordsinthebox..importanceagereasonofChineselikeittimetoseeit.ginkgotreeotherinformationaboutginkgo.Activity3.Finishthemind-map..Let’sreview.fartherbetterolderworsemorelessoldfargood/wellmany/muchlittlebad/badly請(qǐng)將下列詞的比較級(jí)與它的原級(jí)連線Let’slearn.littlemanymuchbadgoodleastmostmostoldestbestfarfarthestoldestold最高級(jí)不規(guī)則變化far

-

farthestfar

-furthestold-oldestold-eldestgood/well

-

bestbad/badly

-worst拓展資源..MountEverestis

mountainintheworld.

thehighestTheSaharaDesertis

hotdesertintheworld.thelargestTheNileRiveris

riverintheworld.thelongestTheNorthernLightsis

naturallightshows.themostbreathtakingTheelephantbirdsrun

amongall