Unit4SectionA1a-1d课件人教版(2024)八年级英语上册

Unit4AmazingPlantsandAnimalsSectionA1(1a-1d)1.Whatdoyouseeinthephoto?Inthephoto,Icanseesomeyellowflowers.Therearetwobeesontheflowers.Theyseemtobecollectingnectar.2.Whatdoyouthinkofwhenyouseethephoto?WhenIseethephoto,Ithinkofthehard-workingnatureofbees.Theyarealwaysbusycollectingnectartomakehoney.Also,itremindsmeofthebeautyofnatureandtheimportanceofpollinationforplants..Lookandguess

花蜜UnitObjectivesInthisunit,youwill1.talkaboutsomeamazingplantsandanimals.2.usesuperlativestocomparemorethantwothings.3.discusstheconnectionbetweenplants,animals,andourlives.4.explorewhyplantsandanimalsareimportanttous.superlative最高级comparev.比较connectionn.联系Newwordsmoss/mɒs/

n.苔藓cheetah/ˈtʃiːtə/

n.猎豹redwood/ˈredwʊd/

n.红杉；红木苔藓植物是一群小型的高等植物，没有真根和维管组织的分化，多生于阴湿环境中。红杉高达50米，胸径1米，是一种高大挺拔、寿命很长、木质坚韧且多生长在湿润地区的常绿针叶树。猎豹是一种体型修长、奔跑速度极快、主要栖息在非洲草原且以捕食小型动物为生的猫科动物。Canyounametheseplantsandanimals?moss苔藓bluewhale蓝鲸redwoodtree红杉

cheetah猎豹蓝鲸被认为是已知的地球上生存过的体积最大的动物，长可达33米，重达181吨。Pre-listeningLookattheplantsandanimals.Usethewordsintheboxtotalkaboutthem.1abeautiful big

fast

heavy

largelong

old

small

tall

short

moss:_________

bluewhale:_______/mɒs/n.苔藓smalllargebeautiful big

fast

heavy

largelong

old

small

tall

short

redwoodtree:____

cheetah:_________/ˈtʃiːtə/n.猎豹/ˈredwʊd/n.红杉；红木tallfastListentotheconversationsandnumbertheplantsandanimalsin1aintheorderyouhearthem.1bmossbluewhaleredwoodtreecheetah3142听力策略：关键词捕捉D.oldestA.heaviestB.largestF.TallestC.mostbeautifulE.fastestListenagain.Matchthewordswiththeplantsandanimalsin1a.Somehavetwoanswers.1cmossbluewhaleredwoodtreecheetahA.heaviest B.largest C.mostbeautifulD.oldest E.fastest F.Tallestold—oldestfast—fastesttall—tallest一般情况下，在词尾加-estlarge—largestfine—finest以字母e结尾的词，在词尾加-stheavy—heaviesteasy—easiestearly—earliest以“辅音字母+y”结尾的双音节词，先把y改为i,再加-est形容词/副词最高级变化规则big—biggestfat—fattestthin—thinnest重读闭音节词，词尾只有一个辅音字母时，先双写该辅音字母，再加-estbeautiful—mostbeautifulinteresting—mostinterestingdelicious—mostdelicious多音节词和部分双音节词在词前加most形容词/副词最高级变化规则原级比较级最高级good/wellbetterbad/badlyworsemany/muchmorelittlelessfarfarther/further形容词和副词的最高级的构成

（不规则变化）bestworstmostleastfarthest/furthestConversationIEmma:Hi,Yaming.Whatareyoudoing?Yaming:Hi,Emma.I’mstartingatestonanimalsandplants.Emma:Soundsfun.Let’stakeittogether.Yaming:OK.Firstquestion.What’sthelargestanimalintheworld?Emma:It’sthebluewhale,right?Yaming:Right.It’salsotheheaviestanimalonearth.Nextquestion.Whichanimalrunsthefastest?Emma:Ohwait!Ijustreadaboutit.Thecheetahrunsthefastest.Yaming:Rightagain!AndIthinkit’sthemostbeautifulanimalintheworld.Emma:Icompletelyagreewithyou.当比较三个或三个以上的事物时，可以用形容词或副词的最高级形式来表达。形容词最高级前一般要加定冠词the，副词最高级前的the可以省略。最高级的常用结构为“主语+谓语(+the)+最高级+in/of/among短语”，意为“……在……中最……”。最高级后面可用带有in、of、among的短语等来说明比较范围。ConversationIEmma:Hi,Yaming.Whatareyoudoing?Yaming:Hi,Emma.I’mstartingatestonanimalsandplants.Emma:Soundsfun.Let’stakeittogether.Yaming:OK.Firstquestion.What’sthelargestanimalintheworld?Emma:It’sthebluewhale,right?Yaming:Right.It’salsotheheaviestanimalonearth.Nextquestion.Whichanimalrunsthefastest?Emma:Ohwait!Ijustreadaboutit.Thecheetahrunsthefastest.Yaming:Rightagain!AndIthinkit’sthemostbeautifulanimalintheworld.Emma:Icompletelyagreewithyou.Readandpayattentiontotheunderlinedexpressions.开始一项关于……的测试听起来很有趣最大的动物最重的动物跑得最快最漂亮的动物我完全同意你的观点。Keyphrases.开始一项关于……的测试听起来很有趣最大的动物最重的动物跑得最快最漂亮的动物我完全同意你的观点。最古老的植物大约4.7亿年前

继续

最高的

……之一

出现在地球上

startatestonsoundfunthelargestanimaltheheaviestanimalrunthefastestthemostbeautifulanimalIcompletelyagreewithyou.theoldestplantaround470millionyearsagogoonthetallestoneofappearonearth写出下列单词的比较级和最高级。1.good____________2.comfortable________________________________3.big_______________4.happy_________________5.cheap_________________6.many_____________7.difficult____________________________8.little____________betterbestmorecomfortable

mostcomfortablebiggerbiggesthappierhappiestcheapercheapestmoremostmoredifficult

mostdifficult

lessleastExercises按要求写出正确的单词、词组或句子。苔藓(名词)__________2.猎豹(名词)___________3.红杉(名词)__________ 4.最大的(短语)__________5.最沉的(短语)__________