2002年广东专插本英语考试

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1、2002年广东省普通高等学校本科插班生考试英语试题PartIReadingComprehension(40%)PassageoneInLabrador,acountrysocoldthatmeatispreservedbyfreezingitoutdoors,ClarenceBirdseyecametonoticethatmeatwhichwasfrozenonthecoldestdayshadabetterflavorthanmeatfrozenatothertimes.Beingcurious,hestudiedpreservedmeatsund

2、erthemicroscopeandfoundthatifmeatwerefrozenquicklyonaverycoldday,icecrystalsdidnothavetimetoformlongneedlesandthemeatcellswerenotdamaged.Birdseyebelievedthatifhecouldfreezeotherfoodsveryrapidly,thesamethingmighthappen.But,sincetherearenotmanydayswhenthetemperaturedrops40or45deg

3、reesbelowzero-eveninLabrador-somewayhadtobefoundtofreezethingsrapidlywithoutdependingontheweather.Rememberingthatsaltywatercangetverycoldwithoutfreezing,Birdseyeplacedsomecabbagesinsaltwaterandthenexposedthemtofreezingwinds.Thecabbagesfrozequickly.Later,Birdseyeinventedamachine

4、tofreezefoodwhiletheywereveryfresh.Today,storessellagreatvarietyoffrozenfoods,andsomefoodsthatwereonceavailableonlyincertaindistrictsorinseasonarenowreadilyavailableinmostcommunities(社区)inanyseason.1.Tofreezefoodsquickly,Birdseyeexperimentedwith______.A.amicroscopeB.meatinsaltw

5、aterC.meatinfreezingwindsD.cabbages2.Celldamageiscausedby______.A.saltywaterB.extremelylowtemperaturesC.outdoorfreezingmethodsD.needle-shapedicecrystals3.Birdseye’sprincipaldiscoveryregardingfoodpreservationwasthat______.A.rapidfreezingwouldreducecelldamageB.foodscouldbefrozena

6、ndpreservedforlateruseC.saltywatercangetverycoldwithoutfreezingD.meatmustbefrozenat45degreesbelowzero4.Later,Birdseyeinvented______.A.arefrigeratorB.amachinethatwouldfreezefoodsquicklyC.amachinethatwouldfreezefoodsslowlyD.theicebox5.Muchofthepopularityoftoday’sfrozenfoodsisduet

7、othefactthat______.A.foodsmaybewidelydistributedB.diseasecanbeeliminatedC.everyAmericanhomehasadeep-freezeD.suchfoodsarenowconsideredluxuriesPassageTwoAstronomersinCaliforniahavespentthepastdecadedesigningarevolutionary,10-metertelescopewithfourtimesthe“seeingpower”ofanyfunctio

8、nalscopeonearth.Alltheyneededwasthemoneytomaketheproje