仁爱版八年级上Unit4OurWorldTopic1Plantsandanimalsareimportanttous.SectionB教学设计
Themainactivityis1a.本课重点活动是1a。
Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandphrases:
above,joy,rose,share…with…,snake,fox,frog,feed,feedon
2.Learnsomeusefulsentences:
(1)Theygiveusjoy.
(2)Wesharethesameworldwiththem.
3.Goonlearningthecomparativeandsuperlativedegreesofadjectives:
(1)Ithinkanimalsaremoreinteresting.
(2)Ilikeplantsbetter.Ithinkrosesarethemostbeautifulofalltheflowers.
(3)Ilikecatsbestbecausetheyarecuterthanotheranimals.
(4)Whichkindofanimal/plantdoyoulikebetter,…or…?
(5)Whichkindofanimal/plantdoyoulikebest,…,…or…?
(6)Becausetheyarethemostinteresting…
4.Talkaboutnatureanddescribeanimalsandplants:
(1)Whichdoyoulikebetter,plantsoranimals?
(2)Ilikeanimalsbetter.Ikeepapetdog.Ithinkanimalsaremoreinteresting.
(3)Ilikebirds.Theyarealsobeautiful,andtheycansingtous.
(4)Plantsandanimalsareimportanttous.
Ⅱ.Teachingaids教具录音机/一束玫瑰花或玫瑰花的图片/小黑板
Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:8分钟)通过复习动物名称，讨论喜好，导入本课新词。
1.(让学生分组比赛。用英语描述学过的动物，调动他们学习的积极性，同时复习上节课所学的内容。)
T:Now,let’splayagameingroupsoften.Ifonestudentcansayananimal’snameinEnglishanddescribeit,he/shewillgetonescore.Forexample,dogs.They’rethebravestonthefarm.OK,begin.
Ss:…
(教师在黑板上记分。)
T:Stop!Group3hasthehighestscore.SoGroup3isthewinner.(教师给予表扬。)
2.(通过师生问答，引出生词和多音节形容词比较级，导入新课。)
T:Fromyourtalk,youseemtolikeanimals,right?
Ss:Yes.
T:ButIlikeplantsbetter.Letmemakeasurvey.Doyoulikeplantsoranimals,S1?
S1:Ilikeanimals.Ithinkanimalsaremoreinteresting.(帮助学生回答。)
(板书，让学生观察interesting的比较级形式。)
interesting→moreinteresting
T:Whydoyouthinkso?
S1:Becauseanimalsareourfriends.Theycanmakeushappy.
T:Yes,theycangiveusjoy.
(教师板书并要求学生掌握。)
joy
T:Whataboutyou,S2?
S2:Ilikeplantsbetter.
T:Really?Doyoulikethiskindofflower?
(教师拿出一束玫瑰花或玫瑰花的图片。)
S2:Yes.
T:Whatarethey?DoyouknowhowtosaytheminEnglish?
S2:Theyareroses.(教师帮助学生回答。)
(板书，要求学生掌握。)
rose
T:Aretheybeautiful?
Ss:Yes,theyare.
T:AndIthinkrosesarethemostbeautifulofalltheflowers.
(板书并让学生观察beautiful的最高级形式。)
beautiful→mostbeautiful
T:(对着S3)Doyoulikeplantsoranimals?
S3:Bothanimalsandplants,becausetheyareimportanttous.
T:Whataboutyou,S4?
S4:Ilikecatsbest,becausetheyaremorelovelythanotheranimals.
(板书，让学生观察lovely的比较级。)
lovely→morelovely
T:Iagreewiththestudentsabove.Sowemustsharethesameworldwithplantsandanimals.
(板书并要求学生掌握。)
above,share…with…
Step2Presentation第二步呈现(时间:5分钟)通过听录音和理解对话，让学生体会多音节形容词的比较级和最高级的变化规则。
1.(听1a录音，理解对话并回答问题。)
T:Fromyouranswers,Iknowsomestudentslikeanimals,andsomestudentslikeplants.WhatdoWangWei,MichaelandMarialike?Andwhydotheylikethem?Nowlistentothetape,andthenanswermyquestions:
(用小黑板呈现听力问题。)
(1)WhatdoWangWei,MichaelandMarialike?
(2)Whydotheylikethem?
(核对答案。)
2.(再听1a，完成1b。)
T:Verygood.Nowlet’slistento1aagainandmatchthepeoplewiththethingstheylikeandtheirreasonsin1b.
(核对答案。)
Step3Consolidation第三步巩固(时间:12分钟)通过朗读，表演对话和对多音节形容词比较级及最高级的练习，使学生能灵活地运用多音节形容词比较级和最高级。
1.(学生先自读1a，然后听录音核对语音语调，注意关键词。)
T:Pleaseread1abyyourselves,thenlistentothetape.Payattentiontothepronunciation,intonationandthekeywords.
2.(分角色表演，训练学生的交际能力。)
T:Pleaserole-playthedialogaccordingto1a.ThenI’llletsomeofyouactitoutinthefront.
(挑选几组学生到前面表演。评出最佳表演组。)
3.(根据1b提供的单词和短语，复述课文内容。)
T:Boysandgirls,let’sretellthedialog.Youcanbeginlikethis:WangWeiistalkingaboutanimalsandplants.Hesayshelikesplantsbetter.Hethinksroses…
4.(对话练习，学会描述动物和植物。练习形容词比较级和最高级句式，完成1c。)
(让学生看1c，先了解要操练的句型。)
T:In1a,weknowhowtousecomparativeandsuperlativedegreesofadjectives.Nowlet’spracticethem.Pleaselookatthesentencepatternsin1c.
(一分钟后。)
T:OK,Iwanttoasktwostudentstohelpmemakeupanewdialogwiththeexpressionsin1c.Hi,S1,whichkindofanimaldoyoulikebetter,dogsorbirds?
S1:Ilikebirdsbetter.
T:Whydoyouthinkso?
S1:Becausetheyaremorebeautifulthanotheranimalsandtheycansingtous.
T:Quitewell!Hi,S2,whichkindofanimaldoyoulikebest,dogs,birdsorcats?
S2:Ilikedogsbest.
T:Whydoyouthinkso?
S2:Becausetheyarethemostinterestingofalltheanimals,andtheyareourfriends.Theycangiveusjoy.
T:Verygood.
(教师示范后，让学生两人一组进行练习。练习时，学生可以站起来大声操练，使课堂气氛轻松、活跃、和谐。)
T:OK.Nowpleasepracticeinpairs.Youcanuseanywordaboutplantsandanimalsyouhavelearntandyoucanstanduptopracticeitloudly.
(学生操练几分钟后。)
T:Nowstop.Whichpaircanactoutyourdialogforus?OK,youtwoplease.
(待学生已灵活运用这些句式并能用所学的新词表演时，要求他们离开座位，与其他同学用任意的动物或植物的名词代替1a中的动植物名词进行会话，从而再次复习了上节课学过的动物名词。完成1c。)
Step4Practice第四步练习(时间:10分钟)通过运用形容词比较级和最高级来描述生态规则，增强学生保护生态环境的意识。
1.(看2中的图片，学生学习新词。)
T:Lookatthepicturesin2.Thesearealllivingthingsintheworld.CanyougivemetheirEnglishnames?
Ss:Bird,plant,…(对于学生说不出来的新词，教师给予补充。)
(教师根据将要板书的单词，提示学生看对应的图片。)
(板书并要求学生掌握snake,fox,frog；理解living,insect。)
living,snake,fox,insect,frog
T:Lookatthepictures.Whichisthesmallest,theinsect,thefrogorthesnake?
Ss:Theinsectisthesmallest.
T:Whichisthelongest,theinsect,thefrogorthesnake?
Ss:Thesnakeisthelongest.
T:Insectsfeedonplants.Birdsfeedoninsects.Foxesfeedonbirds.
(板书并要求学生掌握。)
feed,feedon
T:Nowlet’slookatthepicturesagainandtalkaboutthem.Whicharebigger,birdsorinsects?
Ss:Birdsarebigger.
T:Whicharethestrongest,insects,frogsorsnakes?
Ss:Snakesarethestrongest.
T:Whatdoinsectsfeedon?
Ss:Theyfeedonplants.
T:Whatdofrogsandbirdsfeedon?
Ss:Theyfeedoninsects.
T:Whatdosnakesfeedon?
Ss:Theyfeedonfrogs.
T:Whatdofoxesfeedon?
Ss:Theyfeedonbirds.
T:Insectsfeedonplants.Birdsandfrogseatinsects.Snakeseatfrogsandfoxeseatbirds.That’snature.That’sourworld:Theydependoneachother.Isitright?
2.(学生分组谈论2中的图画，练习运用比较级和最高级。两分钟后汇报讨论结果。)
T:Lookatthepictures,anddiscussingroups.Youmustsayatleastthreesentenceswiththecomparativeandsuperlativedegreesofadjectives.Aftertwominutes,pleasegivemeyourreport.
Examples:
G1:Snakesarebiggerthanfrogs.
Frogsarebiggerthaninsects.
Snakesarethebiggestofall.
G2:Frogsarestrongerthaninsects.
Snakesarestrongerthanfrogs.
Snakesarethestrongestofall.
3.(看图画，独立完成2。)
T:Nowpleaselookatthepicturesandfinish2byyourselves.
(核对答案。)
Step5Project第五步综合探究活动(时间:10分钟)通过活动，讨论动、植物之间的关系，进一步增强学生保护生态环境的意识，培养学生综合运用语言的能力。
1.(将学生分成若干小组，每组5人，讨论下列有关动植物的问题。)
T:Weknowmanyanimalsandplants.Nowpleasediscussthefollowingquestionsingroupsoffive:
(1)Doyouknowtheimportanceofplantsandanimalstous?
(2)Whatwillourworldbelikeiftherearenoplantsoranimals?
(3)Whatshouldwedotoprotectplantsandanimals?
(学生讨论后，每组派一个代表陈述他们的观点。)
T:Afterthediscussioneachgroupneedstochooseonestudenttostateyourview.
2.Homework：
画出自己所喜爱的动植物，不局限于一种。运用比较级和最高级写一篇短文对其进行描述，并表达自己的喜爱程度及原因。
板书设计:
Plantsandanimalsareimportanttous.SectionBinteresting
