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简述什么是节用论？

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剪裂缝的特点是裂缝紧闭，裂缝面比较平直、光滑，常有擦痕。

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纬编织物和经编织物都是由线圈构成的。

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TheNationalEndowmentfortheArtsrecentlyreleasedthetheresultsofits“ReadingatRisk”survey,whichdescribedmovementoftheAmericanpublicawayfrombooksandliteratureandtowardtelevisionandelectronicmedia.Accordingtothesurvey.“readingisonthedeclineonevery 62.____region,withineveryethnicgroup,andateveryeducationallevel.“ThedaytheNEAreportreleased,theU.S.House,inatie 63._vote,upheldthegovernment'srighttoobtainbookstoreandlibraryrecordsunderaprovisionoftheUSAPatriotAct.TheHouseproposalwouldhavebarredthefederalgovernmentfromdemandlibraryrecords,readinglists,bookcustomer 64._listsandothermaterialinterrorismandintelligenceinvestigations.Thesetwoeventsarecompletelyunrelatedto,yetthey 65._echoeachotherinthemessagetheysendabouttheplaceofbooksandreadinginAmericanculture.AttheheartoftheNEAsurveyisthebeliefinourdemocratic 66.systemdependsonleaderswhocanthinkcritically,analyzetextsandwritingclearly.Alloftheseareskillspromotedby 67.readinganddiscussingbooksandliterature.Atthesametime,throughaprovisionofthePatriotAct,theleadersofourcountryareunconsciouslysendingthemessagethatreadingmaybeconnectedtodesirableactivitiesthatmight 68._undermineoursystemofgovernmentratherthanhelpingdemocracyflourish.Ourculture'sdeclineinreadingbeginwellbeforethe 69._existenceofthePatriotAct.Duringthe1980s'culturewars,schoolsystemsacrossthecountrypulledsomebooksfromlibraryshelvesbecauseitscontentwasdeemedbyparents 70.andteacherstobeinappropriate.Nowwhatstartedinschoolsacrossthecountryisplayingitselfoutonanationstageand 71.__ispossiblyhavinganimpactonthereadinghabitsoftheAmericanpublic.在63处填写改错内容。