最新仁爱版九年级英语上册Unit 2 Saving the Earth Topic 3Section D 教案.docx
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最新仁爱版九年级英语上册Unit2SavingtheEarthTopic3SectionD教案
Unit2SavingtheEarth教案
Topic3Whatcanwedoathometoprotecttheenvironment?
SectionD
Ⅰ.Materialanalysis
本课是第二单元第三话题的第四课时。
主要活动是阅读文段和Project。
Grammar和Functions让学生总结本话题的语法重点（并列句）和重要的句子（包括英语习语）。
短文介绍了森林的重要作用、森林遭到破坏的情况及义务植树人的艰难付出。
Project部分采用调查问卷的形式来寻找本班“最环保的人”。
这个活动很有教育意义，可以让学生增强环保意识，争做一个坚定的环保人士。
Ⅱ.Teachingaims
1.Knowledgeaims：
掌握本课的重点词汇和短语，归纳并列句的用法。
2.Skillaims:
掌握常见的并列句，并能在写作或口语交际中运用。
在Project中，能够根据问卷要点整理成文。
3.Emotionalaims:
（optional）
增强环保意识，争做一个坚定的环保人。
4.Cultureawareness:
（optional）
了解世界范围内人们的环保行动。
Ⅲ.Thekeypointsanddifficultpoints
1.Keypoints:
Wordsandphrases:
dry,remove,place,cutdown,sothat,eventhough
Sentences:
Theweathermaybeveryhotanddryoritmaybeverycoldandwet.
Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.
Eventhoughtreeplantingisverydifficult,theylovetheirwork.
Grammar:
compoundsentence
2.Difficultpoints：
Forestswerecutdowntoprovidewoodtobuildhouses.
Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,armsandfaceswhiletheywork.
Eventhoughtreeplantingisverydifficult,theylovetheirwork.
Ⅳ.Learningstrategies
在Grammar部分，能够和老师一起总结归纳并列句的用法，使之内化为自己的知识。
能够利用问题来预测短文的内容。
Ⅴ.Teachingaids
亚马孙热带雨林的视频或图片/亚马孙热带雨林遭到破坏的视频或图片/教学新词的图片/PPT等。
Ⅵ.Teachingprocedures
Stage
（timeperiod）
Interaction
patterns
Teacheractivity
Studentactivity
Remarks
1
Revision
（10mins）
Individualwork
Individualwork
Classactivity
Step1:
EncouragetheSstoreadtheirhomeworkassignedinSectionC.
T:
Hi,boysandgirls!
Let’sbeginourclasswithyourhomework.Whowouldliketoshareyourhomework?
xxx,howaboutyou?
Step2:
LettheSscompletetheblanksinGrammarandFunctions.
T:
Wow,verygoodwriting!
Nowpleaseopenyourbookandturntopage49.PleasefillintheblanksinGrammarandFunctions.Whenyoufinish,raiseyourhand.
T:
Now,xxx,willyoupleasetellusyourtheanswerstoGrammar?
T:
Doyouthinkso,class?
T:
WhowouldliketoshareyourtheanswerstoFunctions?
T:
Issheright?
Step3:
LettheSssumupthecompoundsentencesandexpressionsofgivingsuggestions.
T:
Inthistopic,wehavelearnedcompoundsentencesandgivingsuggestions.Now,let’ssumup.Couldyoutellmetheconjunctionsusedtocombinecompoundsentences?
T:
Wonderful!
Youcannamesomanyconjunctions.Ihopeyouwillrememberthemandusetheminwritingandspeaking.Next,let’ssumupexpressionsofgivingsuggestions.Whatdoyouusuallyusetogivesuggestions?
ReadtheirpassagesassignedinSectionC
S1:
Windcanproducealotofenergy.
Peopleusewindtotravelonthesea.Theyputalargepieceofclothontheboat,andthenthewindwillmaketheboatmove.InthenorthpartofChina,inthecountryside,farmersusuallyusewindtocleantheircorns.Inspring,childrenusewindtoflytheirkites.Peoplealsousewindtoproducepower.Now,therearemanycountriesbuildingwindpowerstations.
S2:
Sunlightcanproducealotofenergy.…
S3:
Wavescanproducealotofenergy…
S4:
…
CompleteGrammarandFunctions
S1:
Ok.And,while,or,but.
Ss:
Yes.
S2:
Greener,shutoff,easier,louder,reach.
Ss:
Yes.
Sumupthecompoundsentencesandexpressionsofgivingsuggestions.
S1:
and,but,while,or
S2:
however,so
S3:
notonly…butalso,afterall
S4:
for,since,as
S5:
besides,what’smore,what’sworse
S6:
should,shouldn’t,must…
S7:
hadbetter,hadbetternot,don’t…
S8:
oughtto…
2
Pre-reading
（10mins）
Classactivity
Step1:
PresentashortvideoabouttheAmazonrainforeststolearnsomenewwordsandleadto1a.
T:
WhatdopeoplecalltheAmazonrainforests?
T:
Yes.Doyouknowwhypeoplecallitlikethis?
T:
Soitdoes.Itremovescarbondioxideandmakesoxygen.Doyouwanttolivethere?
T:
No?
Why?
T:
Whatyousaidisright.Therearemanykindsofinsectsthere.Iftheybiteyou,youmayloseyourlife.
Step2:
Presentanothershortvideoaboutthedestructionoftherainforeststoleadtothenecessityofplantingtrees.
T:
Whathaveyouseen?
T:
Yes,inordertogetmoneyorfarmland,peoplecutdownthetreesintherainforests.Asaresult,theworldclimatemaychangeandmanybirdsandanimalsmaybeindanger.Luckily,manypeoplehavetakenmeasurestodosomething.Thevolunteerplantersaroundtheworldareplantingnewtreestoreplacedestroyedarea.
Learnsomenewwordsandleadto1a
Ss:
地球之肺。
Ss:
因为它吸收了大量的二氧化碳并释放氧气。
Ss:
No.
S1:
太潮湿了。
S2:
有各种各样的有毒生物。
如：
蛇，蜘蛛等等。
Learnaboutthedestructionoftherainforeststoleadtothenecessityofplantingtrees.
Ss:
大量的雨林被毁掉了。
最好是播放一小段亚马孙热带雨林的视频，图片没有震撼力。
3
While-reading
（6mins）
Individualwork
LettheSsread1aandanswerthequestionsonpage50.
T:
Haveyoueverplantedtreesinthemountains?
T:
Nowjustimaginewhatproblemsyoumayhaveifyouareoneoftheplanters.
T:
Ifyouwanttoknowwhatdifficultiesthevolunteershavetoface,thenreadthepassage.Butbeforereading,pleasereadthequestionsonpage50andtrytofindtheanswerstoQ1toQ3.Whenyoufinish,pleaseraiseyourhand.
T:
xxx,haveyoufoundtheanswertoQ1?
T:
Goodjob!
Q2,howaboutyou,xxx?
T:
Yes.Q3,whoknows?
Read1aandanswerthequestionsonpage50.
Ss:
No.
S1:
Verytired.
S2:
Veryhungry.
S3:
很渴。
S4:
…
S5:
Forestsremovecarbondioxideandmakeoxygen,likethelungsofhumanbeings.
S6:
Badweather,insects,dangerous.
S7:
Forbirdsandanimals.
让学生先读P50的问题，带着问题阅读效率更高。
4
Post-reading
（10mins）
Individualwork
Groupwork
Step1:
LettheSsreadthepassage,andfindthecompoundsentencesandotherdifficultpoints.
T:
Youhavelearnedthemaincontentofthepassage.Next,we’llsolvethedifficultpoints.Now,readthepassageagain,andfindthedifficultpointsaswellascompoundsentences.Ifyoufinish,putupyourhand.
T:
First,let’scheckthecompoundsentences.xxx,haveyoufoundsomeyet?
T:
Welldone!
Whohasanyquestions?
T:
…
T:
…
T:
Attentionplease!
InEnglish,wecan’tuse“though/eventhough”and“but”atthesametime.Soyoucan’tseetheword“but”in“Eventhoughtreeplantingisverydifficult,theylovetheirwork”.Besides,sometimesweuse“while”tomakeupanadverbialclauseoftime.Forexample,thesentence“Thereareoften…andfaceswhiletheywork.”
Step2:
LettheSsdiscussQ4andQ5.
T:
Wehaven’tfinishedthequestionsonpage50.Now,discussQ4and5,andthenmakeareport.
T:
Group1,whatareyourideasaboutQ4?
T:
Whatyousaidisabsolutelyright.Then,wouldyouliketobeatreeplanterwhenyougrowup?
T:
Thatsoundswonderful.
Readthepassage,andfindthecompoundsentencesandotherdifficultpoints.
S1:
Yes.Theweathermaybeveryhotanddryoritmaybeverycoldandwet.
S2:
Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.
S3:
Whatdoes“werecutdown”inPara1mean?
S4:
Howtounderstandtheword“that”inthesentence“Thereareoftenmanyinsectsthat…theywork”?
DiscussQ4andQ5.
S1:
Ifwedon’tplantnewtrees,theforestswillbecomesmallerandsmaller.Withouttrees,thewindandthewaterwilltaketheearthaway,andtheoxygenintheairwillbecomelessandless.
S2:
Ifwedon’tplantnewtrees,…
S3:
Maybe,it’shardtosay.Ithinkthecompaniesandgovernmentshoulddosomething.Because,IhavenotimeandIhavetoworktomakemoney.IthinkonTree-PlantingDay,everyoneshouldstopworkingandgotoplanttreesinthemountains.
S4:
…
对于文章中的过去时的被动语态和定语从句，只要学生理解意思即可，不要讲太多。
老师也可以用汉语解释更节约时间。
老师要提醒学生though,eventhough与but不能同时连用。
也要讲一下，当“while”表示“当…..的时候”连接的是时间状语从句，不是并列句。
5
Finishing
project
（7mins）
Groupwork
Groupwork
Step1:
LettheSscompletethequestionnaireinProject,andaddupthetotalscores.
T:
Doyouthinkyouareagreenerperson?
Now,answerthequestionsinProject,andaddupthetotalscores,andthenseehowgreenyouare.Ifyoufinish,putupyourhand.
Step2:
LettheSscomparetheirscoreswiththeirgroupmembersandfindthegreenestandgivereasons.
T:
Nowcompareyourresultwithyourgroupmembers’andfindwhoisthegreenestinyourgroup.Whenyouarereporting,youshouldtelluswhyheisthegreenest.
T:
Areyoureadytoreport?
T:
OK.Group2,whoisthegreenestinyourgroup?
CompletethequestionnaireinProjectandaddupthetotalscores.
Comparetheirscoreswiththeirgroupmembersandfindthegreenestandgivereasons.
Ss:
Yes.
S1:
xxxisthegreenestinourgroup.Heoftenrecyclesnewspapersandcans.Hegoestoschoolonfoot.Henevereatsfastfoodandhealwaysreusesplasticbagswhenshopping.
S2:
xxxisthegreenestinourgroup,becauseshe…
6
Summarizingandassigninghomework
（2mins）
AssigntheHMK
T:
Wehavefinishedthistopic.Wehavelearnedhowtocombinecompoundsentencesandgivesuggestions.Themostimportantthingisthatwehavelearnedhowtobeagreenerperson.Iwouldlikeyoutowriteashortpassagewiththetitle“Howtobeagreenerperson”afterclass.
Ⅶ.Blackboarddesign
Whatcanwedoathometoprotecttheenvironment?
SectionD
Wordsandphrases:
dry
remove
replace
insect
bite
planter
Grammar:
compoundsentences:
Cnjunctions：
and,while,or,but,notonly…butalso…
however,because,afterall,…
givesuggestions:
should,shouldn’t,oughtto,hadbetter,Don’t…,…
cutdown
eventhough
Sentences:
Theweathermaybeveryhotanddryoritmaybeverycoldandwet.
Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.
Eventhoughtreeplantingisverydifficult,theylovetheirwork.
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