Period1(SectionA1a-2c)設(shè)計說明在英文歌的引導(dǎo)下進(jìn)入比較級的學(xué)習(xí)，既能活躍氣氛，又能引起學(xué)生的學(xué)習(xí)興趣。教學(xué)過程中，首先充分利用真實的情景和圖片的直觀效果創(chuàng)設(shè)情境，集中教單詞、語法——比較級的用法，從而讓學(xué)生學(xué)會使用比較級來談?wù)撊宋?。然后，通過看圖回答問題、聽力訓(xùn)練、自由交談，充分操練本課時重點句型。教學(xué)目標(biāo)1.知識目標(biāo)：(1)掌握單詞：outgoing，both，better，loudly，quietly，hard-working。(2)掌握句型：SamhaslongerhairthanTom.BothSamandTomcanplaythedrums，butSamplaysthembetterthanTom.TinaistallerthanTara.TaraworksashardasTina.。(3)掌握語法：形容詞、副詞比較級的構(gòu)成。2.能力目標(biāo)：能用比較級對人物的外貌和性格特征進(jìn)行比較。3.情感目標(biāo)：通過比較，正確認(rèn)識自己及他人的優(yōu)缺點，平等待人。重點難點1.重點：(1)形容詞、副詞比較級的構(gòu)成。(2)表示兩者進(jìn)行比較的句式結(jié)構(gòu)。2.難點：形容詞比較級的變化。教學(xué)準(zhǔn)備教具：多媒體課件，錄音機，磁帶。教學(xué)過程Step1Warmingup&Leadingin1.Playthesong“Good，Better，Best”.2.Freetalk.(1)T：Doyouhaveagoodfriend?Ss：Yes.T：What’she/shelike?S1：Sheiskind.S2：Heisactive.S3：Sheisquiet....(2)Whatdoeshe/shelooklike?S1：Heisstrong.S2：Sheisverythin....Step2Practice1.Askoneofthestudentstostandup.Thenasktheotherssomequestions.T：Whoisshe?Ss：Sheis...T：What’sshelike?S1：Sheisfriendly.S2：Sheisactive.S3：Sheisoutgoing.Teachthenewwords：outgoing，both，better，loudly，quietly，hard-working.(板書新單詞)2.Workon1a.T：Nowlookatthewordsintheboxin1a.Matcheachwordwithitsopposite.Checktheanswers.Answers：tall—shortthin—heavylonghair—shorthairquietly—loudlyStep3Presentation1.Askstudentstocomparewiththeirpartnersandfindoutthedifferences.e.g.①Sheisheavierthanme.②Iammoreoutgoingthanher.③Shegetsupearlierthanme.④Irunfasterthanher.Teachcomparativeformsofadjectivesandadverbs.2.CooperativeinquiryDiscussthefollowinggrammarandfillintheblanks.形容詞和副詞比較級的構(gòu)成(1)規(guī)則變化①單音節(jié)詞和部分雙音節(jié)詞一般在詞尾加er。small→smallercold→colderhigh→highershort→shorter②以字母e結(jié)尾的詞，在詞尾加r。cute→cuterlarge→larger③詞尾只有一個輔音字母的重讀閉音節(jié)詞，先雙寫該輔音字母，再加er。hot→hotterbig→biggerwet→wetter④以“輔音字母+y”結(jié)尾的雙音節(jié)詞，先變y為i，再加er。friendly→friendliereasy→easierfunny→funnierearly→earlier⑤多音節(jié)詞和部分雙音節(jié)詞在詞前加more。beautiful→morebeautifulinteresting→moreinterestingloudly→moreloudly(2)不規(guī)則變化good/well→betterbad/badly→worsemany/much→morelittle→lessfar→farther/further3.FinishLearningTask1.寫出下列形容詞、副詞的比較級。smartsmarter quickquickerlargelarger nicenicerheavyheavier busybusierfatfatter hothotterloudlymoreloudly quicklymorequicklyfriendlyfriendlier activemoreactivetiredmoretired beautifulmorebeautifulgoodbetter littlelessmany/muchmoreStep4Practice1.Givethestudentsanexamplebycomparingonestudenttotheother.T：Whatdoes...looklike?Ss：Shehaslonghair.Shehasabigmouth.T：Whatdoes...looklike?Ss：Shehasshorthair.T：Good...haslongerhairthan...2.Askthestudentstopracticeinpairs.A：Sheisheavierthanme.I’mmoreoutgoingthanher.B：Shegetsupearlierthanme.Irunfasterthanher.Step5Listening1.Workon1b.Listenandnumberthepairsoftwinsinthepicture[1-3].Thenchecktheanswers.Answers：1.SamandTom2.TaraandTina3.PaulandPeter2.Workon1c.Practicetheconversationinthepictureabove.Thenmakeconversationsabouttheothertwins.3.Workon2a.(1)Askstudentstoreadthewordsin2a.(2)Askstudentstoadd-(i)erormoretothewordsin2a.(3)Askstudentstolistenforthefirsttimetogetthewords.(4)Listenandchecktheanswers.Answers：-er/-iermorefriendly，funny，smart，lazy，fast，high，hard，earlyoutgoinghard-working4.Workon2b.Listenagain.HowareTinaandTaradifferent?Fillintheboxes.Answers：Tina...Tara...ismoreoutgoingthanTara.isfriendlierandfunnierthanTara.canrunfasterandjumphigherthanTara.issmarterthanTara.islazierthanTara.worksashardasTina.getsupearlierthanTina.Checktheanswerstogether.5.Cooperativeinquiry形容詞和副詞比較級的用法(1)比較級表示兩者(人或事物)之間的比較。構(gòu)成形式多為“主語+謂語+比較級+than+比較對象”。(2)表示兩者在某一方面相同時，用“as+原級+as”句型；表示一方在某一方面不及另一方時，用“notas/so+原級+as”句型。6.(1)Workon2c.HavethestudentsworkinpairstomakeconversationsaboutSamandTomontheirown.(2)Asksomepairstoactouttheirconversations.7.FinishLearningTask2.(1)Tomisoutgoing(outgoing)，butSamismoreoutgoing(outgoing)thanTom.(2)Thissweaterismuchcheaper(cheap)thanthatone.(3)IthinkIcanwriteaswell(well)asyou.(4)Whosingsmoreloudly(loudly)，MaryorAlice?Step6SummaryInthisperiod，wehavelearned：1.Newwords：outgoing，both，better，loudly，quietly，hard-working.2.Sentences：SamhaslongerhairthanTom.BothSamandTomcanplaythedrums，butSamplaysthembetterthanTom.TinaistallerthanTara.TaraworksashardasTina.3.Grammar：Comparativeformsofadjectivesandadverbs.當(dāng)堂達(dá)標(biāo)(見導(dǎo)學(xué)案“當(dāng)堂達(dá)標(biāo)”)答案與解析：Ⅰ.1.tall句意為“我很矮，但我哥哥很高”。2.heavy句意為“我妹妹很瘦，但我很胖”。3.long由“我留著短發(fā)”及句中表轉(zhuǎn)折的but可知，“我妹妹留著長發(fā)”，故填long。4.loudly由“我認(rèn)為在房間里的每個人都能清晰地聽見我(唱歌)”可知“我唱得很大聲”，故填loudly。5.outgoing由下句“他喜歡交朋友”說明“他的哥哥保羅很外向”。6.better由than可知此處應(yīng)用比較級形式，此處表示薩姆打鼓比湯姆打得好，故填better。7.quietly由下句中can’thearher可知“她說得聲音很小”，故填quietly。Ⅱ.1.better由than可知應(yīng)用比較級，good的比較級是better。2.higher由than可知應(yīng)用比較級，high的比較級是higher。3.more由than可知應(yīng)用比較級，many的比較級是more。4.fatter由than可知應(yīng)用比較級，fat的比較級是fatter。5.morebeautiful，mine由than可知應(yīng)用比較級，beautiful的比較級是在其前加more；比較對象是你的花園(yourgarden)和“我”的花園(mygarden=mine)，故第二個空填mine。6.hard-working此處為“as+形容詞原級+as”結(jié)構(gòu)。Step7HomeworkMakeasurvey.Friends’namesWhat’she/shelike?Whatdoeshe/shelooklike?Reportlikethis：Johnismyfriend.Heistallandthin.Hehasshorthair.HeistallerthanTony.ButJohnisthinnerthanTony...板書設(shè)計UNIT3I’mmoreoutgoingthanmysister.Period1(