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Whenyouchooseafreezerrememberit’sprobablygoingtobewithyouforalongtime.Soit’simportanttoknowwhichfreezerisrightforyourneeds.
Firstdecideifyouwantanuprightorchestmodel.Uprightsaremoreconvenient.Theirstoragespaceismoreaccessibleandtheytakeuplessfloorarea.Howeverchestmodelsaremoreenergy-efficientbecauselesscoldairescapeswhentheyareopen.
Ifyouarebuyinganuprightyou’llhavetochoosebetweenfrostless(无霜)ormanual(手动的)defrost(解冻).Chestfreezersarealwaysmanual.Frostlessfreezersautomaticallydefrostatpresentintervals(每隔一段时间)andremovethewater.Manualmodelsmustbedefrostedbyhandeveryfewmonthsorwheneverfrostpileuptoaboutaquarterofaninch.
Tohelpyourfreezerreacharipeoldagetrytofindaspotthat’scooldryandawayfromdrafts(精棉).Draftsandheatwillraisethefreezer’scabinettemperaturewhichmakesitworkhardertokeepcool.Thatmeanswastedenergy.Thatmeanswastedenergyandashortenedlife.
Dryairisimportantbecausehighhumidity(湿气)cancausethefreezertorustoutsideandfrostupinside.Withpropercareafreezercanserveyoufor15yearsormore.Regularcleaningandsimplemaintenancewillhelpitmaintainazero-degreetemperatureandkeepitsmellingfreshandlookingalmostnew.
Frostlessmodelsrequireslesscarethanmanualdefrostfreezers.Theinsideofafrostlessunitshouldbewashedperiodicallywithwarmwaterandbakingsodaoramildsoaprinseanddried.
Goodhabitsgoalongwaytowardafreezerthatrunsefficiently.Togetthemostfromyourfreezercheckregularlytomakesureit’sprovidingatruezero-degreetemperature.
Keepthefreezeratleastthree-quartersfull.Theemptieritgetthemoreenergyiswasted.Ifmorethanthreepoundsoffoodpercubicfootofstoragespaceisaddedevery24hourstheresultinghighorlowtemperaturecandamagethefood.
72.Whatcanwelearnfromthispassage?
A.Itismoreimportanttokeepthefreezeratthetemperatureofzero-degree.
B.Itisaneasytasktohaveyourfreezerserveyoufor15years.
C.Youdon’thavetoworryaboutdefrostingifyouchooseachestfreezer.
D.Theopeningoffreezershasnothingtodowithen