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1、(闵行)A.essentialB.endangeredC.goingD.performanceE.crisesF.supposedG.consequenceH.materialI.exposedJ.involves Asthepaceoflifecontinuestoincrease,wearefastlosingtheartofrelaxation.Onceyouareinthehabitofrushingthroughlife,beingonthe41frommorningtillnight,itishardtoslowdown.Butrelaxati
2、onis42forahealthymindandbody. Stressisanaturalpartofeverydaylifeandthereisnowaytoavoidit.Infact,itisnotthebadthingasoften43tobe.Acertainamountofstressisvitaltoprovidemotivationandgivepurposetolife.Itisonlywhenthestressgetsoutofcontrolthatitcanleadtopoor44andillhealth. Theamountof
3、stressapersoncanstanddependsverymuchontheindividual.Somepeoplearenotafraidofstress,andsuchcharactersareobviouslyprime45formanagerialresponsibilities;othersloseheartatthefirstsignofunusualdifficulties.When46tostress,inwhateverform,wereactbothchemicallyandphysically.Infactwemakechoic
4、ebetween“flightorfight”andinmoreprimitive(远古的)daysthechoicesmadethedifferencebetweenlifeordeath.The47wemeettodayareunlikelytobesoextreme,buthoweverlittlethestress,it48thesameresponse.Itiswhensuchareactionlastslong,throughcontinuedexposuretostress,thathealthbecomes49.Sincewecan’trem
5、ovestressfromourlives(itwouldbeunwisetodosoevenifwecould),weneedtofindwaystodealwithit.41.C42.A43.F44.D45.H46.I47.E48.J49.B（浦东）A.steadilyB.processesC.environmentalD.displaysE.coveredF.variesG.severeH.influenceI.inheritedJ.fortunately Manytreesandshrubschangecolorinfall.Foryears,sc
6、ientistshaveworkedhardtounderstandthechangesthathappentothem.Theyfindthatthreefactors41fall'scolorfulfarewell—leafpigments(色素),lengthofnight,andweather.Thetimingofthecolorchangeismainlyregulatedbytheincreasinglengthofnight.Noneoftheother42influences,suchastemperature,rainfall,foods
7、upply,areasunchangingasthe43increasinglengthofnightduringfall.Asdaysgrowshorter,andnightsgrowlongerandcooler,biochemical44inleavesbegintopaintthelandscapewithanexplosionofcolors.AndNatureputsononeofitsmostsplendid45ofbeauty. Thetimingofthecolorchange46byspecies.Somespeciesinsouthe
8、rnforestscanbecomevividlyc
