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Let'senjoyavideo.Wheredoyouliketolivein,thecityorthecountryside?Topic1What’sthestrongestanimalonthefarm?n.天,天空rivern.河，江clear/klɪə(r)/n.清澈的beauty/ˈbjuːti/n.美丽；美人nature/ˈneɪtʃə(r)/n.自然；性质than/ðæn/prep.比（用于引出比较的第二部分）Readthewordsaloud大声读单词sky/skaɪ//ˈrɪvə(r)/skythannatureclearbeautyriverskythannatureclearbeautyriverTheriverisclear.Theskyisblue.Theairisfresh.Thetreesaregreen.It’squietinthecountryside.Wecanenjoythebeautyofnatureinthecountryside.清澈的江，河beautyn.美丽吵闹的Theairisnotfresh.Thebuildingistall.It’snoisyinthecity.Theskyisnotblue.Theriverisdirty(notclear).Thetrafficisbusy.Theroadiswide.Theriverisclearerinthecountryside(thanthatinthecity).clear比较级--clearerthan“比”（用于比较级）Theriverisclear.Theriverisnotclear.Theairisfresherinthecountryside(thanthatinthecity).fresh比较级--fresherTheairisfresh.Theairisnotfresh.It'squieterinthecountryside(thanthatinthecity).It’snoisierinthecity(thanthatinthecountryside).quiet比较级--quieternoisy比较级--noisierIt’snoisyinthecity.It’squietinthecountryside.Theskyisbluerinthecountryside(thanthatinthecity).blue比较级--bluerTheskyisnotblue.Theskyisblue.Theroadiswiderinthecity(thanthatinthecity).wide比较级--widerTheroadiswide.Theroadisnotwide.形容词和副词有三个比较等级，即：1.原级，也就是原形。2.比较级，表示“较……”或“更……”的意思。（用于两者之间比较）3.最高级，表示“最……”的意思。（用于三者或三者以上的比较）freshclearbluenoisierfresherclearerbluerquieternoisyquiet形容词原级形容词比较级widewider比较级有什么特点？tall——tallerfresh——fresherblue——bluerbusy——busier161.一般在词尾加er2.以字母e结尾的词，在词尾加-r3以“辅音字母+y”结尾的双音节词，先把“y”改为“i”再加-er4.重读闭音节词且词尾只有一个辅音字母，双写辅音字母再加-erbusy——busiernoisy——noisierbig——biggerhot——hotter单音节和部分双音节词一般在词尾加-er以字母e结尾的词，在词尾加-r以“辅音字母+y”结尾的双音节词，先把“y”改为“i”再加-er形容词副词比较级的构成——规则变化：重读闭音节词且词尾只有一个辅音字母，双写辅音字母再加-er1.big2.hot3.brave4.strong5.busy6.new7.lazy8.nice9.ugly10.heavy11.fat12.happybiggerbraverbusierlazieruglierfatterhotterstrongernewernicerheavierhappier试着写出下列形容词的比较级。PractisePractise1bListento1aandcheckthewordsyouhear._____fresher_____busier_____bluer_____taller_____bigger_____clearer_____nicer_____quieter_____noisier录音1a-P81watchandanswer.1.WhatisWangWeithinkingabout?2.DoesWangWeilikethecountrysideorthecity?Heisthinkingaboutlifeinthecountryside.ThecountrysideWatchtheflashof1a,1a1.WhatdoesWangWeithinkofthecountryside?2.HowdoesMichaellikethecountryside?3.Who’sgrandmalivesinthecountryside?WangWeilikesthecountrysideverymuchbecausehethinkstheairis_________,theskyis_______andtheriversare________there.Michaelthinksthecountrysideismuch________thanthecity,too,sopeoplecanenjoythebeautiesofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.fresherbluerclearerquieterListen1aagainandfillintheblanks.Thenreaditaloud.UnderlinethekeypointsShowtimeRead1aandmakeaspeechRead1aandmakeaspeechExample:Doyoulikethecountrysideorthecity?Andwhy?一、单项选择1.—Iam75kgandyouare80kg.—Soyouare____thanme.A.heavyB.weightC.heavilyD.heavier2.Myroomis________yoursA.bigthanB.bigerthanC.biggerthanD.thanbigger3.Mikeis______,buthisbrotherSamismuch______.A.heavy;heavierB.heavy;heaviestC.heavier;heaviestD.heavier;theheaviestDCA1.Words:sky,river,clear,nature,beauty2.Thecomparativeandsuperlativedegreesofadjective.形容词比较级的规则变化及用法。EmotionalEducation1.Recitethedialoguein1a.2.Finishtheexercisebooks3.PreviewSectionB.