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时间:2018-08-02
《大学英语六级长篇阅读练习(5套)概要》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、大学英语六级考试阅读要求考生能顺利读懂语言难度中等的一般性题材的文章、掌握中心大意以及说明中心大意的事实和细节,并能进行一定的分析、推理和判断。下面小编为大家整理了六级长篇阅读练习题及答案解析,希望对您有所帮助,祝大家备考顺利!大学英语六级改革新题型长篇阅读练习(一) 英语六级新题型练习之长篇阅读:段落匹配题。 Paper--MorethanMeetstheEye A) Wearesurroundedbysomuchpaperandcardthatitiseasytoforgetjusthowco
2、mplexitis.Therearemanyvarietiesandgradesofpapermaterials, andwhilstitisfairlyeasytospotthevarieties, itisfarmoredifficulttospotthegrades. B) Itneedstobeunderstoodthatmostpaperandcardismanufacturedforaspecificpurpose, sothatwhilstthecorn-flakepacketmaylook
3、smart, itisclearlynotsomethingdestinedforthearchives.Itismadetolookgood, butonlyneedsalimitedlifespan.Itisalsomuchcheapertomanufacturethanhighgradecard. C) Papercanbemadefromanalmostendlessvarietyofcellulose-basedmaterialwhichwillincludemanywoods, cottons
4、andgrassesorwhichpapyrusisanexampleandfromwherewegettheword"paper".Manyoftheseareveryspecialized, butthepreponderanceofpapermakinghasbeenfromsoftwoodandcottonorrags, withthebulkbeingwood-based. PaperfromWood D) Inordertomakewoodintopaperitneedstobebroke
5、ndownintofinestrands.Firstlybypowerfulmachineryandthenboiledwithstrongalkaliessuchascausticsoda, untilafinepulpofcellulosefibersisproduced.Itisfromthispulpthatthefinalproductismade, relyingonthebondingtogetherofthecelluloseintolayers.That, inaverysmallnutsh
6、ell, istheessenceofpapermakingfromwood.However, therealityisrathermorecomplicated.Inordertogiveusourwhitepaperandcard, themakerswilladdbleachandothermaterialssuchaschinaclayandadditionalchemicals. E) Afurtherproblemwithwoodisthatitcontainsamaterialthatisn
7、otcellulose.Somethingcalledlignin.Thisisessentialforthetreesinceitholdsthecellulosefibrestogether, butifitisincorporatedintothemanufacturedpaperitpresentsarchivistswithaproblem.Lignineventuallybreaksdownandreleasesacidproductsintothepaper.Thiswillweakentheb
8、ondbetweenthecellulosefibersandthepaperwillbecomebrittleandlookratherbrownandcareworn.Wehaveallseenthisinoldnewspapersandcheappaperbackbooks.Ithasbeenestimatedthatmostpaperbackbookswillhavealifeofnotgr
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