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Topic1What’sthestrongestanimalonthefarm?sheepsomesheepWhatcanweseeinthecountryside?goosesomegeeseWhatcanweseeinthecountryside?mousesomemiceWhatcanweseeinthecountryside?单音节及部分双音节形容词比较级（-er）和最高级（-est）的规则变化。1.一般在词尾直接加er/est:tall—taller—tallest2.以e结尾的单词去e加er/est:wide—wider—widest3.以辅音字母加y结尾的单词，把y改成i,再加er/est:busy—busier—busiest4.以重读闭音节结尾，且末尾只有一个辅音字母的单词，双写末尾的辅音字母，再加er/est:big—bigger—biggest,(fat,thin,red,hot)AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziesttallertallestbraverbravestfatterfattestthinnerthinnestuglierugliest2bStudytherulescarefullyandcompletethetable.写出下列形容词的比较级和最高级。short______________small_____________large_______________late______________happy______________easy_______________hot_______________hard_______________cute________________dirty______________Listentotheconversationandfillintheblanks.2aOneday,thechildrenwerevisitingafarm.录音2a-P81smallbigThemicearesmallerthanthehens.Thehensaresmallerthanthegeese.Themicearethesmallestofall.Thehensarebiggerthanthemice.Thegeesearebiggerthanthehens.Thegeesearethebiggestofall.smallbigthinTheducksarealittlethinnerthanthegeese.Theducksaremuchthinnerthanthepigs.thinadj.瘦的；薄的；稀的1.Thecomparativeandsuperlativedegreesofadjective.形容词比较级、最高级的规则变化及用法。（-er/est）2.Talkingaboutanimalsanddescribingnature.Topic1What’sthestrongestanimalonthefarm?CheckyoursoundsLookatthepicturesandwritedownthewordsaccordingtothesounds.Thenlistenandcheckthevowelsandstress./frDg/______/‘Insekt/_______/sneik/_______froginsectsnake3录音3-P84/fDks/______/gu:s/_______/kau/_______/ʃi:p/_______foxgoosecowsheepAsweknow,plantsandanimalsareimportanttous.beimportanttosb.众所周知Wesharethesameworldwiththem.share…with…与……分享……Eg：Theyaresharingapieceoflongbread.Theyoftensharebeautifulmusicwitheachother.Whichdoyoulikebetter,plantsoranimals?like…better更喜欢……Ilikeapplesbetter.Ilikecatsbest.like…best最喜欢……Ilikebananasbest.3.A:Doyoulikethecountryside?B:Yes,/Ilikeitverymuch/because/theairisfresher,theskyisbluer/andtheriversareclearerthere.Youoftenpausewhenyouseeacommaorfinishasensegroup.1.Talkaboutplantsandanimalsinnature.2.Usefulexpressions:likebetterlikebestshare…with…;give…joyfeedon;beimportanttoTopic1What’sthestrongestanimalonthefarm?1.Rainforestscover6%oftheearth’ssurface.sixpercent数词%+可数名词复数可数名词单数/不可数名词Eg:50%ofthestudentsinourclassareboys.70%oftheearthiswater.成千上万的成百上千的成百万上千万的，数以百万计的hundredsofmillionsof2.Thousandsandthousandsofanimalsliveinrainforests.3.Manyofthemliveinthetreesover30metersfromtheground.over=morethan多于，超过eg:Ourclasshas_________________50students.4.Theyplayanimportantpartincontrollingtheclimate.playanimportantpart(insth.)在某事中起重要作用；参与（某事）Eg:他积极参加班级活动。He_________________________classactivities.over/morethanplaysanactivepartin5.Butnowrainforestsarebecomingsmallerandsmaller.“形容词比较级+and+形容词比较级”越来越……Eg.天气变得越来越暖和了。Theweathergetswarmerandwarmer.中国变得越来越强大。Chinabecomesstrongerandstronger.越来越小1.Learntodescribethesituationofrainforestsandtheimportancetotheearth.2.Talkabouthowtoprotectrainforests.3.usefulphrases:thousandsofcontroltheclimateover=morethanplayanimportantpart(insth.)smallerandsmallerTopic1What’sthestrongestanimalonthefarm?=thesouthwestofChina中国西南部1.PandasliveintheforestsandmountainsofSouthwestChina.northeastsoutheastsouthwestnortheastnorthwestsouthwest2.Nowtheyareindangerbecausesomehumanskillwhalesandmaketheoceanwaterdirtier.处于危险状态Theairis_______,theskyis______andtheriversare_______there.Ithinkthecountrysideis_____________thecity,too.Ithinkthesheeparethe_______ofall.Thepigsmustbethe_______and_______animalsonthefarm.What’sthestrongestanimalsonthefarm?Butnow,rainforestsarebecoming_________________.GrammarComparativeandsuperlativedegreesofadjectives(Ⅰ)fresherbluerclearerquieterthannicestfattestlaziestsmallerandsmallerFunctions_______doyoulike________,plantsoranimals?Ilikeanimals________.________doyouthinkso?Becauseanimalsareourfriends.They________ushappy.We________thesameworld_______them.Peoplecanenjoythe__________ofnaturethere.WhichbetterbetterWhymakesharewithbeautiesThetelephoneisuseful.telephoneThemobilephoneis___________thanthetelephone.mobilephoneThecomputeris_______________ofthethree.computermoreusefulthemostusefulcoldtoothachefeverAskandanswerwithyourpartneraccordingto2b.1.loseone’slife失去生命2.protectsb.from保护……免受……Eg:戴太阳镜可以保护眼睛不受伤害。Wearingsunglassescan____________________thesunshine.3.asksb.forhelp向某人求助Eg:当我们处于危险时，可以向警察求助。Wecan_____________________whenweareindanger.protectoureyesfromaskthepoliceforhelpdelicious—interesting—carefully—popular—careful—moredelicious—themostdeliciousmoreinteresting—themostinterestingmorecarefully—themostcarefullymorepopular—themostpopularmorecareful—themostcareful多音节词和部分双音节词：在词前加more/themost。2aStudytherulesandcompletethetable.AdjectiveusefulseriousdangerousbeautifulimportantterribleComparativemoreusefulSuperlativemostuseful翻译句子。１.我的学校比你的学校更漂亮。２.我认为英语比数学更有趣。３.鲨鱼是最危险的动物。４.他的病更严重了。Myschoolismorebeautifulthanyours.IthinkEnglishismoreinterestingthanmath.Sharksarethemost