九年级英语Unit 13 We are trying to save the earth教案文档格式.docx
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九年级英语Unit 13 We are trying to save the earth教案文档格式.docx
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2.能在阅读中借助上下文语境和构词特征猜测部分词汇的含义
文化知识Culture
了解环境污染情况问题和如何保护环境
课时划分:
Period1SectionA11a-2d
Period2SectionA23a-3b
Period3GrammarFocus-4c
Period4SectionB11a-1e
Period5SectionB22a-2e
Period6SectionB33a-SelfCheck
SectionA1(1a-2d)
Learningobjectives:
1.Tolearnandtalkaboutairpollution,wastepollutionandwaystosolvetheproblems.
2.Tolearntousethesentencepatterns.
usedto...butnow…
shoulddosth.
3.Tomasterkeywordsandphrases:
litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,makeadifference,leadto,insteadof
I.Warmingup
Showthepicturestomakesomecomparisonandtellstudentstheearthispolluted
now.
Forexample:
(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.
(2)Factoriesputwasteintotheriver.
(3)Peopleshouldthrowawaylitterinthebin.
(4)Therearemorecarsontheroad.
Learnsomenewwords.
II.Workon1a
Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.
loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones
noisepollutionairpollutionwaterpollution
____________________________________
III.Listening
1.Workon1b.Listenandcompletethesentences.
Whatwastheproblem?
Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.
Whatcausedtheproblem?
Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.
Howshouldtheproblembesolved?
Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.
2.Listenagainandanswerthefollowingquestions.
1)WhatdoesTonywanttodolaterthisafternoon?
HewantstogoswimmingwithMarkintheriverlaterthisafternoon.
2)Howwastheriverinthepast?
Itusedtobesoclean.Ithasbeenthenicestriverinthistown.
3.原文展示
usedtodosth.“过去常常……”表示过去习惯性的动作但如今已不存在。
playapartindoingsth.“参与做某事;
在做某事上起作用”。
IV.Practice
1.Role-playtheconversationin1c.
Mark:
Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.
Tony:
Butitusedtobesoclean!
Yes,butpeoplearethrowinglitterintotheriver.
Everyoneinthistownshouldplayapartincleaningitup!
2.Makeconversationsaboutkindsofpollutionin1a.
3.Workingroups.Eachgroupchooseatopicin2a.Saythewordsorphrasesrelatedtothetopiconebyone.
V.Listening
1.Workon2a.Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.
A.landpollutionB.airpollution
C.noisepollutionD.waterpollution
2.Workon2b.Listenagainandcompletethesentences.
1)Theairisbadlypollutedbecausethereare___________ontheroadthesedays.
2)Factoriesthatburncoalalso________theairwithalotofblacksmoke.
3)Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.
4)Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintougly(丑陋)ones.
Thinkabout:
Whatelsecancausethetwokindsofpollutioninlife?
3.原文
Payattentiontothesentences.
VI.Practice(Workon2c)
Usetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.
Jason:
Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.
Susan:
Yes,Iusedtobeabletoseestarsinthesky.
Theproblemisthat…
VII.Discussion
Askstudentstodiscusstheirideasforsolvingtheairpollution/wastepollutionproblem.
Ⅷ.Workon2d
1.Read2dandcompletethechart.
Problems
Solvingproblems
airpollution
takethebus,subwayorrideabikeinsteadofdriving
wastepollution
bringabagtogoshopping
nevertakewoodenchopsticksorplasticforkswhenbuyingtakeawayfood
throwrubbishinthebins
2.Completethesentences.
Whatshouldwedo?
1)Weshouldtake_______or_______insteadofdriving.
2)Weshouldalso__________________.It’sgoodforhealth!
3)Bring_______togoshopping.
4)Nevertake_________________or__________whenbuyingtakeawayfood.
5)______________inthebinsandkeeppublicplacescleanandbeautiful.
3.Role-playtheconversation.
Ⅸ.Languagepoints
1.We’retryingtosavetheearth!
我们正在竭尽全力拯救地球!
trytodo=tryone’sbesttodo尽力去做某事
【语境应用】翻译句子
我们将努力在一周内完成这项工作。
We’ll
try
tofinishtheworkinaweek.
【拓展】try相关短语:
trydoingsth.试着做某事
tryon
试穿
tryout
尝试;
试验;
试试
【语境应用】用try短语的适当形式填空。
1)Iwenttothetailor’sto_________mynewsuit.
2)Let’s_________yourmethod.Itseemsverygood.
3)Ithinkyoushould_____________toimproveyourEnglish.
4)Letme____________thestory.
让我试着讲一讲这个故事吧。
Keys:
tryon,tryout,tryyourbest,trytelling
2.It’sgoodforhealthanditdoesn’tcostanything!
costv.花费;
使付出
指花费金钱,主语通常是物。
cost的过去式和过去分词均为cost。
sth.costssb.somemoney某物花费某人多少钱
1)王先生花了200元买了新衬衫。
ThenewshirtcostMrWang200yuan.
2)新电脑花了多少钱?
Howmuchdoesthenewcomputercost?
辨析pay,take&
spend
take
花费时间,常用于ittakessb.sometimetodosth.句型中。
在这一句型中,it作形式主语。
spend
花费时间和金钱,主语通常是人,常用于sb.spend(s)sometime/moneyonsth.和sb.spend(s)sometime/money(in)doingsth.两种句型。
pay
花费金钱,主语通常是人,常用于sb.pay(s)somemoneyforsth.句型。
【语境应用】根据句意用take,spend,pay或cost的适当形式填空。
1)Thatnewcar________
themlotsofmoney.
2)Mona________50yuanonthebooksjustnow.
3)Itusually_______
meanhourtodomyhomework.
4)Youshould________
sometimepractisingyourpronunciation.
5)Mybrother_______
3,000yuanforthenewcomputeryesterday.
cost,spendtakes,spend,paid
3.…,weshouldtakethebusorsubwayinsteadofdriving.
辨析instead&
insteadof
•
Insteadadv.“代替;
反而”,在句中作状语。
•insteadof“代替;
而不是”,后接名词、代词、v.-ing形式或介词短语等。
【语境应用】选用instead或insteadof填空。
1)We’llhaveteainthegarden________inthehouse.
2)Givemethegreenone_________theredone.
3)Herauntstayedathome_________swimminglastSunday.
4)Ididn’thaveapen,soIusedapencil_______.
5)You’llhavetoaskZhangLi________me.
insteadof,insteadof,insteadof,instead,insteadof
4.Sotogether,ouractionscanmakeadifferenceandleadtoabetterfuture!
1)makeadifference(to…)
(对……)产生重大影响或作用,to是介词。
【拓展】
makenodifferenceto对……没有影响
makesomedifferenceto对……有一些影响
e.g.Itmakesnodifferencewhetheryougotodayortomorrow.
Theseaairhasmadesomedifferencetoherhealth.
【语境应用】根据汉语意思完成下列句子(每空一词)。
1)你是去是留对我都无所谓。
Itdoesn’t___________________tomewhetheryougoorstay.
2)学习驾驶时,若有一位好教练指导,效果则大不相同。
Whenyou’relearningtodrive,havingagoodteachermakes
_______________________.
makeanydifference
abigdifference
2)leadto
导致
e.g.Eatingtoomuchsugarcanleadtohealthproblems.
【链接】
leadsb.to...
带领某人去……
e.g.HispetdogLuckyledustohishousejustnow.
【语境应用】根据汉语意思完成英语句子,每空一词。
1)
工作太多、休息太少常常导致疾病。
Toomuchworkandtoolittlerestoften________________illness.
2)
昨天那个男孩带领他们去了那家超市。
Theboy________________________thesupermarketyesterday.
leadto,ledthemto
Ⅹ.Summary
writeto...
给……写信
thebottomoftheriver
河底
throwlitterintotheriver
往河里扔垃圾
cleanup...
把……打扫干净
land/air/noise/waterpollution土地
/
空气
噪音
水污染
turn...into...
把……变成……
cutdownairpollution
减少空气污染
insteadof
代替
begoodfor...
对……有好处
takeawayfood
外卖食品
keeppublicplacescleanandbeautiful保持公共场所干净美观
makeadifference
影响;
有作用
leadto
带来;
导致
Ⅺ.Exercises
Ⅰ.
根据句意及提示,补全句中所缺单词。
1.
C
canbeusedtoproduceelectricity.
2.Thenewcar
c
alotofmoney,butitwascertainlyworthit.
3.Thereisa
w
bed,atableandtwochairsinthissmallroom.
4.Itisaverycleancity.Youwillhardlyfind
l
whenyouwalkalongthestreet.
5.Myuncleisagreat
f
andhecaughtfourfishthismorning.
6.Somecupsintheshopareniceandexpensiveandtheothersare
u
andcheap.
7.Livinginthisstreethasalotofa
.Theonlydrawback(弊端)isnoise.
Ⅱ.
根据句意选择方框中恰当的短语填空。
writeto,leadto,cleanup,cutdown,playapartin
1.Whatamess!
Youshould____________yourroomnow.
2.Everyfarmerknowsthatweather____________farming.
3.Asweallknow,smokingtoomuchcan____________cancerandmany
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