托福阅读真题练习2017年托福阅读真题练习当你将信心放在自己身上时，你将永远充满力量。以下是小编为大家搜整理的2017年托福阅读真题练习，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!Althoughwenowtendtorefertothevariouscraftsaccordingtothematerialsusedtoconstructthem-clay,glass,wood,fiber,andmetal-itwasoncecommontothinkofcraftsintermsoffunction,whichledtotheirbeingknownasthe"appliedarts."Approachingcraftsfromthepointofviewoffunction,wecandividethemintosimplecategories:containers,sheltersandsupports.Thereisnowayaroundthefactthatcontainers,shelters,andsupportsmustbefunctional.Theappliedartsarethusboundbythelawsofphysics,whichpertaintoboththematerialsusedintheirmakingandthesubstancesandthingstobecontained,supported,andsheltered.Theselawsareuniversalintheirapplication,regardlessofculturalbeliefs,geography,orclimate.Ifapothasnobottomorhaslargeopeningsinitssides,itcouldhardlybeconsideredacontainerinanytraditionalsense.Sincethelawsofphysics,notsomearbitrarydecision,havedeterminedthegeneralformofapplied-artobjects,theyfollowbasicpatterns,somuchsothatfunctionalformscanvaryonlywithincertainlimits.Buildingswithoutroofs,forexample,areunusualbecausetheydepartfromthenorm.However,notallfunctionalobjectsareexactlyalike;thatiswhywerecognizeaShangDynastyvaseasbeingdifferentfromanIncavase.Whatvariesisnotthebasicformbuttheincidentaldetailsthatdonotobstructtheobject'sprimaryfunction.Sensitivitytophysicallawsisthusanimportantconsiderationforthemakerofapplied-artobjects.Itisoftentakenforgrantedthatthisisalsotrueforthemakeroffine-artobjects.Thisassumptionmissesasignificantdifferencebetweenthetwodisciplines.Fine-artobjectsarenotconstrainedbythelawsofphysicsinthesamewaythatapplied-artobjectsare.Becausetheirprimarypurposeisnotfunctional,theyareonlylimitedintermsofthematerialsusedtomakethem.Sculpturesmust,forexample,bestable,whichrequiresanunderstandingofthepropertiesofmass,weightdistribution,andstress.Paintingsmusthaverigidstretcherssothatthecanvaswillbetaut,andthepaintmustnotdeteriorate,crack,ordiscolor.Theseareproblemsthatmustbeovercomebytheartistbeca