Module 4 Sandstorms in Asia课时作业（十六）
建议时间/30分钟
Ⅰ.阅读理解
A
词数:355 话题:废物处理与环境 文体:记叙文
Inthefighttoconservetropicalrainforests,here‘satoolyoudon
‘toftenhearabout:orangepeels.Specifically,12,000tonsofthem,weredumped(倾倒)ontheland.Youdon
‘tusuallyassociatewastetreatmentwithbiodiversitybenefits,somethingthat‘sgoodfortheenvironment.
TimTreuerisanecologistatPrincetonUniversityandhe
‘stalkingaboutauniqueconservationstory.Itstartedintheearly1990s,whenanorangejuiceproducercalledDelOrosetupacompanyneartheGuanacasteConservationAreainCostaRica,aregionthatcontainsseveralnationalparksandawildlifeprotectionzone.
DelOroneededsomewheretodumptheorangepeels,andthecompanyalsoownedforestedlandnexttotheparklandthatithadnointentionofgrowingcropson.Soadealwasstruck:ifDelOrodonateditsforestedland,itcoulddumporangepeelwasteondegraded(退化的)landwithintheconservationarea.Thenathousanddumptrucks
‘worthoforangepeelswerelyingonthelandin1998.Andwithinaboutsixmonthstheorangepeelshadbeenturnedfromorangepeelsintothisthickblackrichsoil.
“Icouldn‘tevenfindthesitethefirsttimeIsawit.”Hecouldn
‘tfinditbecause,over16years,theorangepeelwastehadsentthelandonajourneytobecomeavine-chokedjungle,withthreetimesthediversityoftreespeciesoftheneighbouringcontrolplot,richersoilandamuchthickercovering.Inotherwords,theexperimentwasasuccess.TheresultsappearinthejournalRestorationEcology.
Treuersaysperhapsthislessoncouldbeappliedelsewhere.“It
‘sashamethatweliveinaworldwithnutrient-limiteddegradedecosystemsandalsonutrient-richwastestreams.We‘dliketoseethosethingscometogetheralittlebit.That‘snotlicenceforanyagriculturalcompanytojuststartdumpingtheirwasteproductsonprotectedareas,butitdoesmeanthatlandmanagers,restorationists,peopleinvolvedwithindustrial-scaleagriculturaloperationsshouldstartthinkingaboutwaystodothoughtfulexperimentationtoseeifintheirparticularsystemtheycanhavesimilarwin-win-winresults.”
1.Whatdoestheunderlinedword“It”inParagraph2referto?
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A.Wastetreatment. B.Aconservationstory. C.Anorangejuicecompany. D.Thebiodiversitybenefit.
2.Whatdoestheauthorsayaboutorangepeels? A.Theyareparticularlyhardtobreakdown. B.Theycanchangethecolourofthelandsoil. C.Theyarebeneficialtobiologicaldiversity. D.Theycangraduallydestroythesurfacesoil. 3.WhatdoTreuer‘swordsinthelastparagraphsuggest? A.Wastecanbeusedforenvironmentalprotection. B.Nowastecanbethrownrandomlyontheprotectedareas. C.Large-scaleagriculturaloperationsstartwithexperiments. D.Landmanagersmustbereadytotakeontheirresponsibility. 4.Whatmightbethebesttitleforthepassage? A.Howtodealwithorangepeels B.Howtoimprovethedegradedland
C.Afruitfulexperimentinlandconservation D.Waystoprotecttropicalforestseffectively
B
词数:349 话题:降温 文体:说明文
Citiesarelikelytobeaffectedbyoverheating,thankstosomethingcalledtheurbanheatislandeffect.Citiestendtobeshortoftrees,whichprovideshade,andtheyarecoveredwithblackpavement,whichabsorbsheatfromthesun.Thinkofhowitfeelstowearadarkshirtversusawhiteshirtonasunnyday.Ablackshirtabsorbslight,heatingyouup.Butawhiteshirtreflectslight,keepingyoucool.
Theaveragetemperatureinacityofamillionormorepeoplecanbemorethan5degreesFhotterthansurroundingareas.Thatextra5degreescanturnahotdayfromuncomfortabletodeadly.Astemperaturesrise,citieswillbeanespeciallydangerousplacetobeduringaheatwave.Toprotectpublichealth,cityofficialsaregoingtomakethecitycooler.
Aspartofthateffort,LosAngelesiscoatingitsroadsinCoolSeal,agreypaintthatkeepsstreetsandparkinglots10degreescoolerthanblackasphalt(沥
青).ItwillhelpAngelinossavemoneyduringthesummer,whenairconditioningsendspowerbillssoaring.Anditwillsavelivesbyloweringtemperaturesandimprovingairquality.Hotwe
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atherworsensairpollutionbyturningcarexhaustintosmog,whichcanmakelifemiserableforpeoplewithasthma(哮喘)andotherbreathingproblems.
Ofcourse,LAwillhavetodomorethanpaintoverafewstreetstocooloffthecity.Angelinoswillalsoneedtoplantmoretreesandapplywhitepainttorooftops—
atleastthosenotalreadycoveredinsolarpanels.WhileLAisapioneerofreflectivestreets,othercities,likeNewYork,arealreadyexperimentingwithreflectiveroofsor,likeMelbourne,loweringthetemperaturebyplantingtrees.LAishardlyaloneinitsefforttostaycool.
“Thisisanurgentchallenge,andit‘smuchbiggerthanoneperson,”saidMayorGarcettiinarecentstatement.
“ClimatechangeisafactoflifethatpeopleinLosAngelesandcitiesaroundtheworldlivewitheveryday.”
5.Whichofthefollowingcontributestotheurbanheatislandeffect? A.Plantingmoretreesinthestreets. B.Coveringthestreetswithwhitepaint. C.Applyingreflectivepainttorooftops. D.Furnishingeveryhousewithairconditioners.
6.Whatshouldthecityofficialsemphasizeduringhotsummer? A.Howtomakethecitycooler. B.Wheretowearawhiteshirt.
C.Whytocoattheroadswithblackpaint. D.Whentocutofftheelectricitysupply.
7.WhatbenefitcanpeoplegainfromtheuseofCoolSeal? A.Increasingtheindooractivities. B.Promotingthesaleofairconditioners. C.Makinglifeeasierandmorecomfortable. D.Reducingthenumberofcolddays. 8.What‘sthemainideaofthepassage?
A.LAadoptedmanyapproachestofightagainsttheheat. B.LAcallsonpeopletofightagainstglobalwarming. C.Moreandmorecountriesbegintoplanttreesinthestreets. D.LAispaintingitsstreetswhitetokeepthecitycool. Ⅱ.语法填空
词数:222 话题:海洋资源 文体:说明文
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Throughouthistory,peoplehavethoughtoftheoceanasadiverseandlimitlesssourceoffood.Yettodaythereisclearevidencethattheoceanshavealimit.Mostofthebigfishinouroceansarenow9.
(go).Onemajorcauseisoverfishing.Peoplearetakingsomanyfishfromtheseathatmanyspeciescannotreplace10. (they).
Forcenturies,localfishermencaughtonlyenoughfishfortheirownandtheircommunity
‘sneeds.However,fromtheearly20thcentury,peoplearoundtheworldbecameinterested11. consumingprotein-richfoods.Peoplebegan12.
(catch)largequantitiesoffishforprofitandsellingthemtoworldwidemarkets.Inaveryshortperiodoftime,commercialfishing13.
(great)reducedthenumberoflargepredatoryfish,suchascodandtuna.
Today,therearestillplentyoffishinthesea,14. they‘remostlyjustthelittleones.Smallfish,15.
includesardinesandanchovies,havemorethandoubledinnumber—largelybecausetherearenotenoughbigfish16. (eat)them.
Suchlargefish17.
(be)necessary,becausetheyhuntandkillthesickandweaksmallerfish.Withoutthisweedingout,orsurvivalofthefittest,ecosystemsbecomelessstable.Asaresult,fisharelessabletosurvive18.
(difficult)suchaspollution,environmentalchange,orchangesinthefoodsupply.
Ⅲ.短文改错
WhatIneverunderstoodinelementaryschoolwashowmydadwouldalwaystellmegoonthebuslast.AtfirstIbelievehemerelywantedmetoberespecttoothersbylettingthemgoonfirst.NowIrealizedhejustwantedtospendasmoretimeaspossiblewithme.Asotherswereboardingabus,myfatherwhispered,“Behaving,son.Iloveyou.”Iresponded,“Dad,Iloveyoutoo.”Ithenwentonthebusandquicklyhurriedintomyusuallyseat.Ilookedatthewindowandsurelymyfather
‘shandwasalreadythere.AndIputmyhandinfrontofhim.Eventhoughtherewasaglasswindowbetweenus,butmymindwascalmandfulloflove.
课时作业(十六)
Ⅰ.A
【文章大意】橘汁生产商需要能倾倒橘子皮的地方,一位生态学家与生产商进行了一次交易,若生产商可以捐出一块森林密布的土地,那么他就可以在保护区内的退化区域内倾倒
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