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Module4SandstormsinAsia
课堂15分钟达标练
Asandstorm,alsoknownasaduststorm,isexactlywhat
itsoundslike.Averystrongwindstormespeciallyinthe
desertcarriescloudsofsandordustthatgreatlyreduces
visibility.Thiswindisusuallycausedbyconvection
currents(对流气流),whicharecreatedbyintenseheatingoftheground,
andisusuallystrongenoughtomoveentiresanddunes.Airisunstable
whenheated,andthisinstabilityintheairwillcausehigherwindstomix
withwindsintheloweratmosphere,producingstrongsurfacewinds.
Sandstormscandisturbpeople'stravel,andcansometimesdestroy
wholeroads,anddryflatareas.Similarduststormscanbefoundonthe
planetMars,andarethoughttobeseasonal.Today,thedestructionof
forestsandtoomuchfarmingoffarmlandcanleadtosandstorms.Too
muchuseofwaterresourcescanalsocausesandstorms.
IntheUnitedStatesofAmerica,sandstormsarerarebecauseofthe
lackoflargedesertsandmoreimportantlythedevelopmentofproper
agriculturaltechniques.Thelastrecordeddestructivesandstormin
AmericanhistorywastheDustBowl,whichoccurredonJuly16,1971
andwaswidelyrecordedbymeteorologists(气象学家).
Toprotectthemselvesfromsandstorms,somepeoplewearprotective
suits.Specialequipmentcanbefixedinsomecarstopreventsandfrom
gettingintotheengine.Sandstormscancausecoughs,andthesandand
dusthasalsobeenknowntocarryctinfectiousdiseases^^.Sandparticles,
unlikedustones,willblockairpassages,andcauseapersonwhobreathes
themintochoke.Dustparticlesmaycauseanallergic(过敏的)reaction.
I.Skimthepassageandfindthemainideaquickly.
答案:Thepassageaimstotellustheformationanddamageof
sandstorms.
II.Readthepassageagainandchoosethebestanswers.
1.Whichofthefollowingplaysthefirstpartinformingsandstorms?
A.Theinstabilityofthesand.
B.Theinstabilityofthewind.
C.Theintenseheatingoftheground.
D.Thespeedofthewind.
[解析]选Co细节理解题。从第一段的句子“Thiswindisusuallycaused
byconvectioncurrents,whicharecreatedbyintenseheatingoftheground^^
可知沙尘暴的最初形成是因为地面的热量。
2.Fromthesecondparagraph,wecanlearnthatatpresent.
A.sandstormsaremoreoftenseenonMarsthanonEarth
B.sandstormshaveledtothelackofcleanwaterresources
C.farmingbringsmoreharmthanbenefitstohumans
D.humanactivitiesareamajorcauseofsandstorms
【解析】选D。细节理解题。从第二段的句子“Today,thedestructionof
forestsandtoomuchfarmingoffarmlandcanleadtosandstorms.Too
muchuseofwaterresourcescanalsocausesandstorms.”可知现在沙尘
暴的形成主要是因为人的活动。
3.Theauthorwillmostprobablyagreethat.
A.therewillsoonbenosandstormsintheUSA
B.humanshaven,tthoughtofanywaytodealwithsandstorms
C.deathcausedbysandstormsisincreasingallthetime
D.humansshouldmakemoreeffortstostopsoilturningintodesert
【解析】选D。推理判断题。从第三段的句子“IntheUnitedStatesof
America,sandstormsarerarebecauseofthelackoflargedesertsandmore
importantlythedevelopmentofproperagriculturaltechniques.”可知作者
认为人类应该努力不让土地变成沙漠。
III.Readthepassagecarefullyandanswerthefollowingquestions.
1.Whatarethereasonsthatcanleadtosandstorms?
2.WhydosandstormsseldomhappeninAmerica?
答案:1.Thedestructionofforests,toomuchfarmingoffarmlandandtoo
muchuseofwaterresources.
2.Becauseofthelackoflargedesertsandthedevelopmentofproper
agriculturaltechniques.
课堂15分钟达标练
I.根据首字母或汉语提示完成句子
1.MaryisanEnglishmstudentandshealsominGerman.
2.Themostfthingofallwasthatnotasoundcouldbeheard.
3.Dresultsfromtheseriousenvironmentalandsocialeconomy
problems.
4.Accordingtotheweatherf,ahurricaneislikelytohit
GuangdongProvincetonight.
5.Toplaybetter,alltheplayershavetoknowtheir(优点)and
weaknesses.
6.Asisknowntoallofus,allthe(公民)shouldenjoyequal
rights.
7.Weplannedandcarriedoutmanyadvertising(活动)forour
newproduct.
8.Ittookmehalfanhourto(骑车)toworkinsandstorm.
9.Inspring,therearelotsof(沙尘暴)innorthernChina.
10.Suddenly,incameamanwitha(面罩)onhisface.
答案:1.majormajors2.frightening3.Desertification4.
forecast
5.strengths6.citizens7.campaigns8.cycle9.sandstorms
10.mask
II.完成句子
1.Whenpeople(砍彳到)trees,generallytheycanonlyusethe
landforayearortwo.
2.Hewaslateagain,becausehe(被困在)theheavy
snowlastnight.
3.Thereare(许多的)studentsintheclassroomandtheyare
waitingforProfessorLi.
4.Thehouseisstill______________________(在...的过程中)being
built.
5.Aliceoversleptthismorning.(结果),shewaslate
forwork.
答案:1.cutdown2.wascaughtin3.massesof4.intheprocessof
5.Asaresult
III.从下面的方框中选择合适的单词或词组,用其适当形式填空
amassof,cutdown,strength,forecast,frighten,process,makeitarule,
kill,such...that,(be)caughtin
1.—It'shardformetogotosleep.
一Trytotheamountofcoffeeyoudrinkduringtheday.
2_workhasbeendonetopreventthewaterbeingpolluted.
3.Desertificationisalongthattakesplacewhenclimate
changesandpeoplecutdowntreeslimitlessly.
4.Aftertheoperation,Billhasbeendoingalotofphysicalexerciseto
builduphis.
5.LittleTomtoreadaloudandrecitetenEnglishwords
everymorning.
6.atrafficjam,thenewspaperreportergottothemurder
sceneanhourlater.
7.Theteacherthat15ofhispupilswouldpassthe
examination.
8.1feltreallytohearthesoundovermyhead.
【知识拓展】-ed形式的形容词与-ing形式的形容词
frightening,frightened是frighten的分词形式,现已转化成了形容词,
frightening意为“令人惊恐的、恐怖的”,常用来说明事物的性质、特征。
frightened意为“恐惧的、害怕的、受惊的”,常用来说明主语所处状态,
大多数都是指人所处状态。两者都可用作表语或定语。
⑴类似的-ing形式的形容词有:
exciting,interesting,disappointing,puzzling,surprising,shocking,
astonishing,moving,amusing,boring,encouraging,delighting,inspiring,
pleasing,tiring,worrying等。
(2)类似的-ed形式的形容词有:
excited,interested,disappointed,puzzled,surprised,shocked,astonished,
moved,amused,bored,encouraged,delighted,inspired,pleased,tired,
worried等。
一般来说,-ing形式的形容词表主动含义,-ed形式的形容词表被动含
义。
9.Heisacarelessboyhehasmadesomanymistakesinthe
finalexams.
10.Asmoreandmoreanimalsaredyingout,moremeasuresshouldbe
takentoprotectanimalsfrom.
答案:1.cutdown2.Amassof3.process4.strength5.madeita
rule
6.Caughtin7.forecast8.frightenedfrightening9.suchthat
10.beingkilled.
IV.句型转换
1.Thewindisverystrong,sothatitmovessanddunes.
=Thewindistomovesanddunes.
=Thewindisstrongitcanmovesanddunes.
2.Itwasaterribleexperiencetohavebeencaughtinasandstorm.
=inasandstormwasaterrible
experience.
3.Wehavealottodotoprotectourenvironment.
=Thereisalottoprotectourenvironment.
4.Itwasimpossibleforustogetthereontimebecauseoftheheavyrain.
=Theheavyrainforustogetthereontime.
答案:1.strongenoughsothat
2.Tohavebeencaught3.tobedone4.madeitimpossible
课堂15分钟达标练
i.用括号内所给词的适当形式填空
1.Georgereturnedafterthewar,only(tell)thathiswifehadleft
him.
2.Hetolduswhether(have)apicnicwasstillunderdiscussion.
3.Thechildrenallturned(lookat)thefamousactressasshe
enteredtheclassroom.
4.Hisfirstbook(publish)nextmonthisbasedonatruestory.
5.Wehavetostartsomewhereifwewanttolearnhow
(write)plays.
6.Thereweremanytalentedactorsouttherejustwaiting
(discover).
7.Itisright(give)upsmokingatanytimeforanyone.
答案:1.tobetold2.tohave3.tolookat4.tobepublished5.
towrite
6.tobediscovered7.togive
II.完成句子
1.PremierLiKeqiangsaiditwasan"importanttask”
foralltheuniversitygraduates.
李克强总理说帮助所有高校毕业生找到工作是一项“重要任务”。
2.The50thanniversaryoftheAugust1963marchinWashingtonisa
momenthowclosetheU.S.hascometoMartinLutherKing
Jr.'sdream.
1963年8月华盛顿大游行的50周年纪念日给人们提供了一个契机,思
考美国距离马丁・路德・金的梦想已经有多近。
【知识拓展】
名词moment,decision,wish,chance,attempt,ability,plan,promise,
warning等常可用不定式作后置定语。例如:
Idon'ttrusthispromisetocomeforavisit.
我不相信他来访的诺言。
Hesaidhehadnoplanstogothere.
他说他没有要去那里的计划。
3.一It'snousehavingideasonly.
一Don'twony.Petercanshowyouanideaintoanact.
——光有主意没用。
——不用担心,彼得可以教你怎样把主意变为行动。
4.Some200peoplewerereported_______________________inthe
earthquake.
据报道,大约有200人在地震中死亡。
5.Ifhetakesonthework,hewillhavenochoicebutaneven
greaterchallenge.
如果他承担这项工作,他将别无选择只有面对更大的挑战。
6.Thoughhehadoftenmadehislittlesister,todayhewasmade
byhislittlesister.
尽管他经常把他妹妹惹哭,但是今天他被他妹妹惹哭了。
答案:1.tofindjobs2.toconsider3.howtoturn4.tohavebeen
killed
5.tomeet6.crytocry
III.语法填空
阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词
的正确形式。
Alice:LookatMary.She'ssopopular.Whydotheguyslikehersomuch?
Sheisn'tallthatpretty.
Tim:Iguessit's1.shehasagoodsenseofhumor.Shealways
knowshow
2.(make)otherslaugh.
Alice:Iwant3.(be)funnier,butIdon'tknowhow.Peoplemust
thinkI'mboring.
Tim:Ihavetoadmityoudon'tknow4.tomakeotherslaugh.
Alice:Peoplelikehangingoutwithyou,too,andyouoftenmakepeople
laugh.Sotellme-howcanIbe5.(funny)?
Tim:Well,first,youhavetolearn6.(laugh).Yourarelylaugh,
youknow.Second,7.youhearotherpeoplelaughing,justask
them8.theyarelaughing.Theywilltellyouwhatissofunny,and
youcanfigureoutwhatmakesotherpeoplelaugh.Third,justspendlots
oftimewithfunpeople.
Alice:Thafsreallygreat9.一Iwilldefinitelytryallthat.
Tim:Oh,andofcourse,alwayslookforhumor10.abadsituation.
答案:1.because2.tomake3.tobe4.how5.funnier6.to
laugh
7.if8.why9.advice10.in
课堂15分钟达标练
i.根据汉语提示写出单词
1.Nowadayspeopleusetoomany(化学药品)intheirlife,
whichisbadforthelivingconditions.
2.They,vemadean(紧急的)requestforinternationalaid.
3.Weshouldpaymoreattentiontothepollutionofthe(大气).
4.Manypeopleareworriedaboutthepollutionof(环境).
5.He(抱怨)tothemanageraboutthepoorservice.
6.Atthesametimewearetakingmeasuresto(保护)wild
resources.
7.Itwas(绝对地)impossibleforhimtogoabroadyesterday.
8.Moreandmorepeopleareconcernedaboutthe(污染的)air.
9.Doyouhaveany(证据)tosupportthisstatement?
10.Herparentsarevery(担忧)aboutherbehavior.
答案:1.chemicals2.urgent3.atmosphere4.environment5.
complained
6.protect7.absolutely8.polluted9.evidence10.concerned
II.完成句子
1.Earlypeople_________________________(对几乎没有多少影
响)theenvironment.
2.Thebuswillchangeitsdirection,(如果必要的话).
3.Hecalledthepolicebecausehe(担心)Tim's
safety.
4.1readthewholepagewithoutanything(理解).
5.Thelampdoesn't(发出)alotoflight,sotheclassroom
isalittledark.
6.Imust(仔细查看)thesebillsandcheckthembeforeI
paythem.
答案:1.hadlittleeffecton2.ifnecessary3.wasconcer
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