任务型阅读考前训练4请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意：请将答案写在答题卡上相应题号的横线上。每个空格只填1个单词。Thewordscienceisheardsoofteninmoderntimesthatalmosteverybodyhasanideaofitsmeaning.However,itsdefinitionisdifficultformanypeople.Themeaningofthetermisconfusing,buteveryoneshouldunderstanditsmeaningandobjectives(目标).Justtomaketheexplanationassimpleaspossible,supposescienceisdefinedasclassifiedknowledgeorfacts.Eveninthetruescience,distinguishingfactfromfictionisnotalwayseasy.Forthisreasongreatcareshouldbetakentodistinguishbetweenbeliefsandtruths.Thereisnodangeraslongasacleardifferenceismadebetweentemporaryandprovedexplanations.Forexample,hypotheses(假设)andtheoriesareattemptstoexplainnaturalphenomena.Fromthesepositionsthescientistcontinuestoexperimentandobserveuntiltheyareprovedordiscredited.Theexactstatusofanyexplanationshouldbeclearlylabeledtoavoidconfusion.Theobjectivesofscienceareprimarilythediscoveryandlatertheunderstandingoftheunknown.Mancannotbesatisfiedwithrecognizingthatsecretsexistinnatureofthatquestionsareunanswerable;hemustsolvethem.Towardthatend,specialistsinthefieldofbiologyandrelatedfieldsofinterestaredirectingmuchoftheirtimeandenergy.Actually,twobasicapproachesleadtothediscoveryofnewinformation.One,aimedatsatisfyingcuriosity,isreferredtoaspurescience.Sometimespractical-mindedpeoplemissthepointofpurescienceinthinkingonlyofitsimmediateapplicationforeconomicrewards.However,oneshouldrememberthattheconstructionofthemicroscopehadtocomebeforethediscoveryofthecell.Thehostofscientistsdevotingtheirlivestopuresciencearenotapologeticaboutignoringthepracticalsideoftheirdiscoveries;theyknowfromexperiencethatmostknowledgeiseventuallyapplied.Theotherisaimedatusingknowledgeforspecificpurposes--forinstance,improvinghealth,raisingstandardsofliving,orcreatingnewconsumerproducts.Inthiscaseknowledgeisputtoeconomicuse.Suchanapproachisreferredtoasappliedscience.The(71)ofscience(72)___________ofscience●Todefinescience,wemay(73)callitclassifiedknowledgeorfacts.●Itisessential,thoughnot(74),forustodistinguishfactfromfiction.ObjectivesofscienceScienceis(75)______atdiscoveringandunderstandingtheunknown.Twobasic(76)PurescienceScientists,whomaybeblamedfor(77)_________________tonewdiscoverythepracticalsideoftheirwork,makediscoveriesoutof(78)_______.(79)_________scienceKnowledgeisputtoeconomic(80),forexample,improvinghealth,raisinglivingstandardsandcreatingnewproducts.71.nature72.Definition73.simply74.easy75.aimed76.approaches77.ignoring78.curiosity79.Applied80.use
