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关于理工类类论文范文,与中石油职英语2016版相关毕业论文提纲
本论文是一篇关于理工类类毕业论文提纲,关于中石油职英语2016版相关在职研究生毕业论文范文。免费优秀的关于理工类及第一篇及短文方面论文范文资料,适合理工类论文写作的大学硕士及本科毕业论文开题报告范文和学术职称论文参考文献下载。
s,andtheirveryshapehavemadethemlesslikelytofallintoruin.BItispracticallycertainthatplansweremadeforthebuildingofthepyramidsbecausetheplansofotherlargeworkshavefortunatelybeenpreserved.
CThefirstthingtheyhadtodowastochooseasuitableplace.
DConsequently,weareonlyabletoguessatthemethodsused.
EManypeoplewerekilledwhilebuildingthepyramids.
FTheyhavestoodfornearly5,000years,anditseemslikelythattheywillcontinuetostandforthousandsofyearsyet.
第6部分:完形填空(第51～65题,每题l分,共15分)
阅读下面的短文,文中有1s处空白,每处空白给出4个选项,请根据短文的内容从4个选项中选择l个最佳答案,涂在答题卡相应的位置上.
SeeingredMeansDangerAhead
Thecolorredoftenmeansdanger--andbypayingattention,51canbeprevented.Atrailroadcrossings,flashingredlightswarncarstostayback.Aredlightatatrafficintersectiontellscarstostop,so52don'trunintoothercars.
Inthefuture,thecolorredalsomayhelppreventdanger53constructionsites.Thankstonewworkbyengineers,bridgesupports-orotherkindsofmaterials—couldonedaycontainacolor-changingmaterial.Itwillturnred54astructurecollapsesorfalls55Atinymoleculemaymakeabigdifferenceinfuturewarningsystems.
Apolymer56acolor-changingmoleculecalledamechanophoreturnsredsecondsbeforeitsnaps.Thetechnologymayonedayallowdamagetomaterialsorstructurestobeeasily57.
Thesecretbehindthecolor-changingmaterialisaparticulartypeofmolecule.Amoleculeisagroupofatomsheldtogetherby58bonds.Moleculeseinallshapesandsizes,andmakeup59youcansee,touchorfeel.Howamoleculebehavesdependsonwhatkindsofatomsitcontains,andhowthey'reheldtogether.
Whenapolymercontainingacolor-changingmoleculecalledamechanophoreisabouttobreaks,itproducesacolor.Whenapolymerwithmechanophoremoleculesbees"injured"or60,oneofthemechanophorebondsbreaksandthematerialturnsred."It'sareallysimpledetectionmethod,"saysNancySottos,oneofthescientistswhoworkedontheproject."We're61upthisonebond,anditchangescolor."Sottosandherteamtestedthecolor-changingpolymersintheirlab.Thetest62provedencouraging.
Thereisawaytogetridoftheredcolor:63.Whenabrightlightisshoneonthemechanophore,thebrokenbondisfixed-andtheredcolordisappears.This"self-healing"maybeaproblemforengineers.Theyneedtousethecolor-changerinbigconstructionprojectsthatwillbe64,insunlight.Andsunlightwillmakethemechanophore'swarningsystemuseless.
Sottosandherfellowscientistsstillhave65worktodobeforethecolor-changingmoleculescanbeusedoutsidethelab.
51.AmeasuresBaccidentsCactionsDcollapses
52.AtheyBitCsomeDmost
53.AwithBoverCatDin
54.AbeforeBafterConceDwhile
55.AtogetherBbehindCdownDapart
56.AcontactingBconductingCcontainingDconsidering
57.AcontrolledBspottedCrepairedDchanged
58.AtechnicalBelectronicCphysicalDchemical
59.AeverythingBsomethingCnothingDanything
60.AweakBstrongCtoughDsoft
61.AusingBopeningCturningDfinishing
62.AlawsBtheoriesCtoolsDresults
63.AairBelectricityClightDsound
64.AasideBbesideCinsideDoutside
65.AapartofBapairofCapieceofDalotof
2016年全国专业技术人员职称英语等级考试模拟试题(理工类)
参考答案
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关于理工类类论文范文,与中石油职英语2016版相关毕业论文提纲参考文献资料：