大学英语四六级阅读训练【阅读理解专项】21天（18-21）.pdf

2023年6月四六级阅读训练

（18/21）

冰箱的好与坏

Thefridgeisconsiderednecessary.Ithasbeensosincethe1960s

whenpackagedfoodlistappearedwiththelabel:Storeinthe

refrigerator.

InmyfridgelessFiftieschildhood,1wasfedwellandhealthy.The

milkmancameeveryday,thegrocer,thebutcher(肉商),thebaker,and

theice-creammandeliveredtwoorthreetimeseachweek.TheSunday

meatwouldlastuntilWednesdayandsurplus(剩余的)breadandmilk

becameallkindsofcakes.Nothingwaswasted,andwewerenever

troubledbyrottenfood.Thirtyyearsonfooddeliverieshaveceased,

freshvegetablesarealmostunobtainableinthecountry.

Theinventionofthefridgecontributedcomparativelylittletothe

artoffoodpreservation.Manywell-triedtechniquesalreadyexisted--

naturalcooling,drying,smoking,salting,sugaring,bottling...

Whatrefrigerationdidpromotewasmarketingmarketing

hardwareandelectricity,marketingsoftdrinks,marketingdeadbodies

ofanimalsaroundtheworldinsearchofagoodprice.

Consequently,mostoftheworldsfridgesaretobefound,notin

thetropicswheretheymightproveuseful,butintherichcountrieswith

mildtemperatureswheretheyareclimaticallyalmostunnecessary.Every

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winter,millionsoffridgeshumawaycontinuously,andatvastexpense,

busilymaintaininganartificially-cooledspaceinsidean

artificially-heatedhouse--whileoutside,natureprovidesthedesired

temperaturefreeofcharge.

Thefridgeseffectupontheenvironmenthasbeenevident,whileits

contributiontohumanhappinesshasbeennotimportant.If