Module4SandstormsinAsia复习学案外研版必修Word文档格式.docx
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Module4SandstormsinAsia复习学案外研版必修Word文档格式.docx
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Ican’thelpbutagree.
Wedonothingbuttalkaboutit.
5.功能句式
Practiceexpressingstrongopinions:
Itotallyagreewithyou.
Icouldn’tagreewithyoumore.
Ithinkyouareabsolutelyright.
It’sextremelyserious.
Absolutely!
Practicetalkingabouthowtoimprovetheenvironment:
Weneedto….
Wemust…
Weshould….
能力目标:
TalkaboutsandstormsinAsia.
Practiceexpressingstrongopinions.
Practicetalkingabouthowtoimprovetheenvironment.
Learntousedifferenttypesofinfinitiveandexpressionswithbut+infinitive
Learntodesignaposterthatencouragepeopletolookaftertheenvironment.
情感目标:
了解世界环保情况,培养环保意识。
readingandvocabulary
Step1Pre-reading
a.Lookatthephotoandanswerthefollowingquestions.
1.GetSstocomeupwithasmanywordsaspossible
whilelookingatthepicture.
2.Whatishappening?
3.Whatisthecyclistwearingandwhy?
4.Whatdoyouthinkhappenedtotrafficinthissituation?
Why?
5.Whatdoyouthinkexpertsadvisepeopletodointhis
situation?
b.Predication
Ifyouaretowritethearticlenamed“SandstormsinAsia”,howmanypartswillyouincludeinit?
Whatwillyouwriteineachpart?
Step2While-reading
a.Skimmingandscanning
Readthepassagequicklyandfillinthediagramwithoneproperword.
Part1(Para1)d__________
Part2(Para2-5)c_______
d_______
S_______
i________
s________
Part3(Para.6)m________
b.DetailedReading
1)Readthepassagecarefullyandanswerthefollowingquestion.
1Whataresandstorms?
2Inwhatplacesdotheyoftenhappen?
3WhatdoesRenJianbo’sexampletellus?
4AretheresandstormsinChina?
Where?
5HavesandstormsinChinaincreasedordecreasedrecently?
6Whydoestrafficmoveslowlyduringthesandstorm?
7WhatdoesthegovernmentdotoprotectBeijingfromsandstorms?
2)Readthepassagecarefullyandthenfillinthechartwithsuitablewords.
Parts
Content
Details
1
majordisaster
2
description
Cause
influence
suggestion
3
measures
Step3Post-reading
a.Decideifthefollowingstatementsaretrue(T)orfalse(F).
①Scientistshavetriedmanywaystodealwithsandstorms
②Landbecomesdesertonlybecausepeoplecutdowntreesanddigupgrass.
③TheChineseCentralWestStationcannotforecastsandstormbeforeitcomes.
④Thedesertis25okilometersawaytothewestofBeijing.Sothereisnoneedtotakesomemeasures.
⑤SouthwestChinaispartofthesandstormcenterinCentralAsia.
b.Readthetextagainandcompletethefollowingsentences
1.Thewindsinasandstormcansometimes______________________________
2.WhenRenjianbowaslivinginInnerMongolia______________________________
3.SandstormsinChinaappeartohaveincreased______________________________
4.Cuttingdowntreesanddiggingupgrasscan______________________________
5.Trafficmovedslowlybecause______________________________
6.ThegovernmentisplantingtreestothewestofBeijingto______________________________
Step4languageexplanations
1massadj.大规模的amasscampaign一场大规模的战役
n.团,块,堆
amassofclouds/hotair
amassof=massesof许多,大量
themasses群众
2becaughtin被困于…,遇到…
Hewaslateforworkyesterdayafternoonbecausehewascaughtinthetrafficjam.
CharlesChaplinwasoncecaughtinasnowstormforseveraldays.
3appearv.1)出现,出版,发行
Hisbookwillappearinthebookshopnextweek.
Asmileappearedonhisfacewhenheheardthegoodnews.
2)看起来,似乎。
系动词
Sheappearedverytired.
Sheappearstowanttoleave.
4preventsomebodyfromdoing,stopsomebodyfromdoing,
keepsomebodyfromdoing
阻止某人做某事。
Note:
keepsb.fromdoing中from不可以省略,因为keepsb.doing意为:
让某人一直做某事。
其他两个词组中from省略后意思不变。
I’msorrytokeepyouwaitingsolong.很抱歉让你等了这么久。
Wemustkeephimfromcomplainingallday.
我们不能让他整天抱怨了。
grammar
不定式
Step1Presentation
Lookattheexamplesa-f.Theunderlinedphrasesareexamplesofdifferenttypesofinfinitive.
a.Thewindisstrongenough.Itcanmovesanddunes.
b.Wewereadvised,“Don’tgooutside.”
c.I’mcyclingtoworkinasandstormandit’sfrightening.
I’mfrighteningtobecyclingtoworkinasandstorm.
d.Thereisnothinganyonecando.
Thereisnothingtobedone.
e.Iamtheonlypersoninmyfamilywhohasbeeninasandstorm.
Iamtheonlypersoninmyfamilytohavebeeninasandstorm.
f.I’vebeencaughtinasandstorm.Itwasaterribleexperience.
Step2Explanations
I动词不定式的时态和语态形式
时态
主动
被动
一般式
todo
tobedone
进行式
tobedoing
完成式
tohavedone
tohavebeendone
1.动词不定式的一般式:
表示与主动词处于同一时间层面或动作发生于主动词之后。
eg:
HeseemstounderstandwhatIsaid
IhopetovisitParisagain.
2.动词不定式的进行式:
表示与主动词同时发生且动作正在进行。
Thetwocheatspretendedtobeworkinghard.
3.动词不定式的完成式:
表示不定式动作发生于主动词之前。
Sheseemstohaveseenthisfilm.
HehappenedtohavegoneoutwhenIwenttoseehim
4.动词不定式的被动式:
表示与逻辑主语之间的被动关系。
Themeetingtobeheldtomorrowisabouthowtostopthepollution.
Iwanttohavebeentoldthenewsearlier.
Ⅱ动词不定式的句法功能
不定式的句法功能是做主语,表语,宾语,宾语补足语,主语补足语,定语,目的状语和结果状语,分别给出一个例句:
1)Tomasteraforeignlanguageisnecessaryforacollegestudent.
(主语)
2)Yourjobistowashdishes.(表语)
3)Shepromisedtogivehimachance.(宾语)
4)Theteachertoldhisstudentstopayattentiontotheirpronunciation.(宾语补足语)
5)Iwasaskedtohelphimwithhislessons.(主语补足语)
6)Haveyougotapenciltodrawpictureswith?
(定语)
7)SomescientistswenttoGermanytoattendamedicalconference.(状语)
8)Hewastooexcitedtosayanything.(状语)
Ⅲ不定式的复合结构
1)“疑问词+不定式”可以做主语,宾语,表语,同位语。
Theproblemishowtopersuadehimtochangehismind.
2)带有逻辑主语的结构of/forsb.todosth
Thefirstthingtodoistocleantheroom.
Itisfoolishofyoutosaysuchwords.
辨析:
⑴Itis+adj.+ofsb+todosth.;
//⑵Itis+adj.+forsb+todosth.
差别:
以上
(1)结构中的adj是用来说明主语的特征的,并作其表语;
而结构
(2)中的adj是用来说明句中动词的特征的。
Eg:
It’sfoolishofyoutodosuchthings
可转化为:
You’refoolishtodosuchthings.
但:
It’seasyforyoutolearnEnglishwell
不可以象上边那样转化。
Step3Practice.
Ex1.
Fillintheblankswiththeverbsintheirproperforms.
1.It'
sverykindofyou________itforme.(do)
2.Myjobis________thestudentsEnglish.(teach)
3.Ifyouwant________withus,youshouldbereadybyeighto'
clock.(go)
4.Idarenot________himaboutit.(tell)
5.Hetoldme________atsixthirty.(leave)
6.Thechildrenarewarned________inthatlake.(notswim)
7.Beforeyouleavetheroom,pleaseremember________thelight.(turnoff)
8.You'
dbetter________(stay)athomeand________(do)yourhomework.
9.It'
stoohard________(do)itbymyself.10.Ittakesabouttwohours________(getto)thestation.
11.It'
stime________ourclass.(start)
12.Ihavealotofthings________you.(tell)
13.I'
mveryglad________youagain.(hearfrom)
14.Thearticleisnoteasy________.(understand)
15.Wedidn'
thavetime________arest.(tohave)
16.I'
lltry________thatagain.(notdo)
17.John'
swishis________awriterinthefuture.(become)
18.I'
dlike________(go)totheSummerPalace.
19.Shedoesn'
tknowwhetherandwhen________Shanghaiintwodays.(leave)
20.Sheisnotsurehow________outthemathsproblem.(work)
Ex2
1.Don'
tforget_________theletter.
A.tosendB.sendC.sendingD.beingsent
2.Thechairlooksveryold,butinfactitisverycomfortableto_________.
A.sitB.sitonC.besatD.besaton
3.Is______necessarytoreturnthebooktomorrow?
A.thisB.thatC.itD.which
4.I'
mafraidtheywouldnotallowhim________here.
A.tosmokeB.smokingC.smokesD.smoke
5.Mothertoldme________thewaterbeforeIdrankit.
A.boilingB.boiledC.boilD.toboil
6.Onmywayhome,Istopped_______somefood.
A.buyB.tobuyC.buyingD.bought
7.Johnwasmade_______thecarforaweekasapunishment.
A.towashB.washingC.washD.tobewashing
8.Thesitting-roomneeds_______,butit'
llhavetowaituntilSaturday.
A.becleaningB.tobecleanedC.cleanD.beingcleaned
9.ThefirstthingIwanttodois__________.
A.visittohimB.tovisithimC.visitinghimD.visitedhim
10.LiYangadvisedme_________toomuch,otherwiseIwouldhavebeendrunk.
A.nottodrinkB.todrinkC.notdrinkingD.drinking
Can’thelpbut结构
区别:
can’thelpdoing…禁不住…
Hearingthatshewasadmittedtoafamouscollege,shecan’thelpjumping.
1、不定式动词在介词but,except,besides等表示“除了……”之意的
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