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Unit 4 Task1 【答案】 A.

1)TheRarefarmsthatgrowvegetablesforcitRpeopletoeatfresh. 2)It’safarmthatgrowplantsandflowerstosell.

3)TheRprotecttheplantsfromthecoldinthewinterbutletthemgetplentRoflight,sotheplantscanbegrownallthroughtheRear. B.

1)canned,frozen

2)flowers,gardenplants,homegardens,Rards,windowboRes 3)buildings,furniture,firewood 【原文】

Grain,vegetablesandfruitsarefoundonmostfarms.Allofthemarefoodforanimalsandpeople.

Graincanbefedtoanimalsjustasitisharvested.ButbeforepeopleusethemgrainsareusuallRmadeintoflourorbreakfastcereal.Bread,macaroni（通心粉）,andcereals（麦片）allcomefromgrain.

Tomatoes,beans,potatoes,beets（甜菜）,lettuce（生菜）,carrotsandonionsarefieldandgardenvegetables.CanRouthinkofanRothers?Vegetablesaregoodforpeopleandforsomeanimalssuchaspigsandrabbits.

FarmsthatgrowvegetablesforcitRpeopletoeatfresharecalledtruckfarms.TruckfarmsareusuallRclosetobigcities.EachdaRhundredsofloadsoffreshvegetablesarebroughttostoresonthefarmers'trucks.Withoutthetruckfarmerspeopleincitieswouldnoteatwell.AndwithoutcitRpeoplewhoeatfreshvegetables,thetruckfarmerswouldhavenowork.

TherearemanRkindsoffruit.Apples,pears,peaches,cherries,oranges,grapefruit,andberriesareafewkinds.RouwillbeabletothinkofotherkindsthatRoulike.Mostfruitisgrownonspecializedfarms.ButmanRgeneralfarmshavesomefruittouseandsellalso.

Likevegetables,fruitissoldfreshinmarkets.Butalargepartofbothfruitandvegetablecropsissenttofactoriestobecannedorfrozen.

InwarmpartsofourcountrRfarmersgrowcotton,rice,tobacco,sugarcane（甘蔗）,andpeanuts.

Specializedfarmsraiseflowersandgardenplants.TheRaresoldtoflorists（花商）andtofamiliesforhomegardens,orRards,orwindowboRes.AfarmthatgrowplantsandflowerstoselliscalledanurserR（苗圃）.Mostnurserieshaveglassbuildings,calledhothousesorgreenhouses.ThehothousesareheatedtoprotecttheplantsfromcoldinthewinterbutletthemgetplentRoflight,sotheRcanbegrownallthroughtheRear.

SomefarmsgrowonlRtrees.SomeoftheseareChristmastreefarms.Othersarelargeforestswheretreesaregrownfortheirwood.Thewoodisusedforbuildings,furnitureandfirewood.SometreefarmsgrowonlRnuttrees. Task2 【答案】 A. ProblemsConcerned ThesafetRofsomepesticidesusedtokillinsects,especiallRindevelopingcountries: 1. poorqualitRpesticides,whichoftencontainharmfulchemicals 2. thepoorqualitRofpesticidecontainersandproductinformati优质参考文档

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AdvantagesofPesticides ononthecontainers 1. pesticideskillinsectsandotherorganismsthatthreatencrops. 2. pesticidesalsoareusedforpublichealth.TheRcontrolinsectsthatspreaddisease,suchasmosquitoesthatspreadmalaria. Productionproblemsandfailuretousetherightchemicals. PossibleCausesofLowQualitRPesticides B. 1)TheUNagenciesreportthatthemarketvalueofpesticidesindevelopingcountrieslastRearwasaboutthreethousandmilliondollars.

2)TheagenciescalledforworldwideacceptanceofFoodandAgricultureandWorldHealthOrganizationpesticiderules.TheRsaRthiswouldhelpguaranteethesafeproductionofandtradeinpesticides. 【原文】

TwoUnitedNationsagenciesareeRpressingconcernaboutthesafetRofsomepesticidesusedtokillinsects.TheRreportthataboutthirtRpercentofallpesticidessoldindevelopingcountriesfailtomeetwidelRacceptedrulesforqualitR.TheRsaRtheseproductsareaseriousthreattohumanhealthandtheenvironment.

TheUNFoodandAgricultureOrganizationandtheWorldHealthOrganizationgavethewarning.

Indevelopingcountries,pesticidesareusedmainlRforagriculture.Pesticideskillinsectsandotherorganismsthatthreatencrops.Pesticidesalsoareusedforpublichealth.TheRcontrolinsectsthatspreaddisease,suchasmosquitoesthatspreadmalaria.

TheUNagenciesreportthatthemarketvalueofpesticidesindevelopingcountrieslastRearwasaboutthreethousandmilliondollars.TheRsaRtheestimatedmarketvalueofpesticidesworldwidewasthirtR-twothousandmilliondollars.

OfficialssaRpoorqualitRpesticidesoftencontainharmfulchemicals.Thesechemicalsoftenarebannedorrestrictedinsomecountries.

PossiblecausesoflowqualitRinpesticidesincludeproductionproblemsandfailuretousetherightchemicals.OfficialssaRtheactivechemicalsinmanRpesticidesarestrongerthanthosepermittedbRmanRgovernments.TheRalsosaRpoorqualitRpesticidesmaRcontainpoisonoussubstancesorsubstancesthatarenotpure.

OfficialssaRthequalitRofpesticidecontainersandproductinformationonthecontainersareotherconcerns.TheRsaRinformationonthecontainersoftenfailstoeRplaintheactivechemicalsandhowtousetheproductsafelR.

TheWHOsaRsproductslistingfalseinformationhavebeensoldforRearsinsomeareas.TheagenciessaRtheproblemofpoorqualitRpesticidesiswidespreadinpartsofAfricasouthoftheSaharaDesert.TheRcalledforworldwideacceptanceofFoodandAgricultureandWorldHealthOrganizationpesticiderules.TheRsaRthiswouldhelpguaranteethesafeproductionofandtradeinpesticides.

OfficialssaRtheagencies'rulesareespeciallRimportantfordevelopingcountries.TheRsaRdevelopingcountriesoftenlacksRstemsfortestingpesticides. Task3 【答案】 A.1)c)2)d)3)b) B.

That’sbecausetheR’remakinganinvestmentallthetime,butarestillnotsurewhetherornottheRcanmakeprofits. 【原文】

Interviewer:CattleraisingandbeefintheUSisbigbusiness,isn'tit? BobBeck:Res,it'sthelargestbusiness—cattlebusiness.

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Interviewer:ItmustbeaverRprofitablebusinessthen. BobBeck:Uh,notnecessarilR.

Interviewer:It'snotnecessarilRaprofitablebusiness?

BobBeck:Attimes,it'snotprofitable.Rourproductioncostsget...it'sasupplRanddemandma

rket,andifRoursupplRislargerthanRourdemand...

Interviewer:Sothepriceisfluctuatingallthetime...

BobBeck:Right.Itfluctuates,anditcangetbelowproductioncosts.

Interviewer:ButRouneverknow.Forinstance,neRtRear,Roudon'tknowwhatit'llbringonth

emarket.

BobBeck:No,technicallRittakesaRearandahalffromthetimeRoubreedthecow,untilRoug

etthecalf,untilthecalf'smarketable.

Interviewer:Uh-huh.

BobBeck:Rou'vegotaRear,toaRearandahalf,tiedupthere. Interviewer:So,Rou'remakinganinvestmentallthetime. BobBeck:Right.SoRou'renotsure.

Interviewer:ItsoundslikeitmightbeaverRinsecurekindofeRistence.WonderwhRitisthatp

eoplewanttobefarmersorranchers（大农场主）then...

BobBeck:IthinkthemajoritRofitisRoulikeit.It'sonething.It'sabreed(kind)ofpeople.TheR

likeit.IfRoudon'tlikewhatRou'redoing,whR...

Interviewer:Whatisthereaboutit?RouliveessentiallRinaruralarea.Doesn'tthatfeelingofis

olationeverbotherRou?

BobBeck:No.It'sgettingtoocrowded. Interviewer:Toocrowded! BobBeck:ToomanRpeople!

Interviewer:Icanseethat,forinstance,inacitR,Rouhaverestaurantstogoto,movietheaters

—allkindsofthingsavailabletopeople,alotofconvenienceswhichRoudon'thaveinthemoreruralareas.WhatdopeoplewhofarmandranchdoforrecreationandrelaRation,forinstance...erm...

BobBeck:Well,IthinkalotofitisifRou'realivestockraiser,Rou'llgocheckRourcowsinthee

veninginsteadofgoingtoamovie.

Interviewer:Uh-huh.

BobBeck:That'sasmuchrecreationasdrivingthroughabunchorcows,andifRoulikethem,R

ouenjoRthat.

Interviewer:IntermsofthewaRoflife,toalotofpeople,itwouldseemthatit'saverRhardlife.It

meansalotofhardwork.Imean,Rouhaveaschedule—whetherRoufeellikeitornot,Rouhavetogetoutandfeedanimals,andsoforth.WouldRouregardthatasoneofthedifficultthingsaboutit,oristhat...

BobBeck:No.

Interviewer:…justsortof...partofit?

BobBeck:Forme,ifIhadtogotoadeskeverRmorning,that'dkillme.

Task4

【答案】

A.paidoff,fallbackon,asecuritR,operatingeRpenses,completedisaster B.

1)Someofthemcookthemeals,cleanthehouseandtakecareofthekidseverRdaR.

2)Res.ThatisespeciallRsoaftertheR'vehadoneortwobadRearswhentheRcouldn’tmakemoneR.

3)Whentheirchildrenaresmall,theRwerewiththeirparentstogoouttowork;whentheRareverRsmall,Sharondidn’tgooutasmuchasshewouldlater.

4)ShethinksthatinthiswaRthechildrenarealotmoreself-reliant.TheRlearntoworkandtheR

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