Unit 13 We are trying to save the earth教学实录与反思.docx
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Unit13Wearetryingtosavetheearth教学实录与反思
一、教学说明：
教学内容：
Unit13Wearetryingtosavetheearth.
SectionB（3a-4）
教学目标：
1.Rememberthewordsandphrases.
2.Importantsentences.
3.Writingacompositionaboutprotectingtheenvironment.
教学重点与难点：
写一篇关于环境保护的作文
二、教学过程：
Step1Importantwords
Showsomepicturesonthescreenandrevisetheimportantwords,getSstorememberthem.Thencheckthem.
1.enormous=verylarge巨大的（反义词）tiny极小的
2.against介词,反对,违反,与……相反（=opposite）（反）for支持
3.stuffn．废物；无用的东西
4.play（形）playful
5.feed（名词：
饲料）（动词：
喂养）fedfed
feeddogsonmeat=feedmeattodogs
6.pollute（形）polluted被污染的becomepolluted（名词）pollution
7.express动词：
表达（名词）：
expression
8.pull拉、拖、拔（反义词）push推
9.buildbuiltbuiltbuilding
10.busybebusywith\bebusydoing忙于做---（名词）onbusiness
11.pride自豪、骄傲（形容词）proud自豪的、骄傲的
（课件出示本单元重点单词的词形变换，让学生记忆5分钟，然后检查。
这一步注重基础知识的掌握）
Step2Readingandwriting
Makesentenceswithusefulexpressions
Ithinkthat…Iagreewithyou.
Ibelievethat…Idisagreewithyou.
Ifeelthat…Iagreewith…
A:
Ithinkthatanimalsshouldnotliveinthezoos.
B:
Idisagreewithyou.Ifeelthatzoosprovidecleanandsafeplacesforendangeredanimalstolive.
A:
Idon’tthinkso.
B:
Azooisaplacewheremanydifferentspeciesofanimalarekeptandusuallycanbeseenbymembersofthepublic.
A:
Whycanpeoplegoandseetheanimalsintheforest?
B:
Inthatcase,moreharmwillbedonetotheanimals.
A:
Keptinthezoosanimalsarelosingtheirnaturalnatureofliving.
B:
Mostmodernzoosarealsocenterswhereanimalsarestudiedsothatmoreanimalsintheforestcouldbesavedandprotected.
A:
Somerareanimalsaredyingout.
B:
Yes,theyare.Rareanimalscouldbepreservedwhentheyareindangerofdyingout.
A:
Youarerightinsayingthat.ButIstillthinkthatitisnotrighttoputanimalsinthezoos.Theybelongtotheforest,theriver,theskyandthesea.
（通过对话使学生意识到保护濒危动物的重要性，同时也培养学生的语言交际能力。
）
Importantphrases
1.和---相似belike=looklike=besimilarto
2.多大howbig
3.10英尺长tenfeetlong
4.重大约1,000磅weighabout1,000pounds
5.尽力去拯救trytosavethemanatees
6.到----去了（人未回来）have/hasgoneto
7.曾到过----（人回来了）has/havebeento
8.曾在某地呆过多长时间have/hasbeenin
9.濒危动物endangeredanimals
10.已经污染了havebecomepolluted
11.塑料袋plasticbags
12.适合某人做---besuitableforsbtodosth
13.反对做---beagainstdoingsth
14.很惊讶地做某事besurprisedtodosth.
15.惊奇地insurprise
16.使某人惊奇地Toone’ssurprise
17.提供给某人某物providesb.withsth.
18.提供给某人某物providesthforsb.
19.年轻人theyoung
20.呼吁做urgesb.todosth.
21.urgeagainst极力反对
22.回收利用书纸recyclebooksandpapers
23.离屋关灯turnoffthelightswhenyouleavearoom
24.洗发关龙头turnofftheshowerswhileyouarewashingyourhair
25.停止驾车stopdrivingcars
26.摧毁；推翻pulldown
27.由……制成；由……构成bemadefrom\outof\of
28.听见某人做/正在做某事hearsb.do/doingsth.
29.听说,听到hearof/about
30.收到……的来信hearfrom
31.在我的空闲时间inmyfree\sparetime
（课件出示本单元重点短语和习惯用法，让学生记忆10分钟，然后检查。
这一步注重基础知识习惯用法的掌握，为写作积累素材。
）
Step3Importantsentences
learntotalkaboutrecycling
Recyclingisthereuseofmaterialsthatwouldotherwisebeconsideredwaste.
Ifallanimalsareendangered,iftheearthisendangered,thenweareendangered.Whatcanwedotosavetheendangeredanimals,theendangeredearth,andushumanbeings?
1.Stopridingincars
2.Recyclebooksandpaper
3.Turnoffthelightswhenyouleavetheroom
4.Turnofftheshowerwhileyouarewashingyourhair
5.Don’tusepapertowelsornapkins
（谈论回收利用，为作文做铺垫。
）
Step4.Doingpairwork
Inpairsyouaregoingtotalktocompareyouranswers.
A:
Recyclingpaperisreallyeasy.
B:
Iagree.Butit’shardtostopridingincars.
A:
Turningoffthelightswhenyouleavetheroomisnotdifficultatall.
B:
Iagree.Buttherearesomepeoplewhoalwaysleavetheirlightsonwhentheyareaway.
A:
Turningofftheshowerwhileyouarewashingyourhairisnotdifficulttodo.
B:
No,itisn’tdifficulttodo.Idon’tusepapertowelsornapkins.
A:
Really?
Ihavetolearnfromyoutobetterprotectourplanet.
Welearnedalotfromwhatourclassmatestalkedabout.Nowinpairsroleplayaconversationusingtheinformationfromthechartabovetosaywhatistrueforyou.
A:
Wereallyshouldn’tusepapernapkins,youknow.
B:
Iknow.Istoppedusingthemlastyear.
A:
Weshouldfallintothehabitofturningoffthelightswhenwegoout.
B:
IhavebeendoingthateversinceIstartedschooling.
A:
Wehadbetterturnofftheshowerwhenwearewashingourhair.
B:
Ihaveneverdonethatbefore,andIwillneverdothatinthefuture,either.
A:
Why,areyounotagoodcitizen?
B:
Yes,Iamagoodcitizen.YouseeIkeepveryshorthair.Iamonlyintheshowerforafewseconds.
A:
Andweshouldtakeourownbagswhenshopping.
B:
Iagreewithyou.NexttimeIgoshoppingtoMee
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