【答案】《英文科技论文写作》(北京理工大学)章节期末慕课答案

【答案】《英文科技论文写作》(北京理工大学)章节期末慕课答案有些题目顺序不一致，下载后按键盘ctrl+F进行搜索1.WritingScientificandTechnicalPapersUnit1ResearchPapersandTopicsQuiz1.单选题：Agoodresearchpapertitleofteninvolvesthefollowingcharacteristics：

选项：

A、predictingcontent,arousinginterest,reflectingthetoneofwritingandcontainingkeywords.

B、predictingkeywords,arousinginterest,reflectingthetoneofwritingandcontainingcontent.?

C、predictingthetoneofwriting,arousinginterest,reflectingcontentandcontainingkeywords.

D、predictinginterest,arousingthetoneofwriting,reflectingcontentandcontainingkeywords.

答案：【predictingcontent,arousinginterest,reflectingthetoneofwritingandcontainingkeywords.】2.单选题：Whichofthefollowingtitlesissuitableforaresearchpaperwiththekeywords“unmannedairvehicle”and“engine”?

选项：

A、Design,buildandtestan?unmanned?air?vehicle

B、ImprovedefficiencyofanunmannedairvehicleICengineusingcomputationalmodellingandexperimentalverification

C、Unmannedairvehiclesunderexternalimpact

D、Engine-integratedsolidoxidefuelcellsforefficientelectricalpowergenerationonaircraft

答案：【ImprovedefficiencyofanunmannedairvehicleICengineusingcomputationalmodellingandexperimentalverification】3.单选题：Whichofthefollowingtitlesissuitableforaresearchpaperwiththekeywords“nuclearpower”and“safety”?

选项：

A、ProfitableNuclearPowerGeneration

B、Internationalviewsonnuclearsafety

C、Safetyevaluationofspentfuelroadtransportationbasedonweightednearestneighbormethod

D、TheInternationalSafetyFrameworkfornuclearpowersourceapplicationsinouterspace—Usefulandsubstantialguidance

答案：【Safetyevaluationofspentfuelroadtransportationbasedonweightednearestneighbormethod】4.多选题：Whatarethecharacteristicsofagoodresearchtopic?Youcanchoosemorethanoneanswer.

选项：

A、Notwithasimpleanswer

B、Basedonanarguableassumption

C、Opinion-based

D、Research-worthy

E、Feasibleorresearchable

F、Narrowscope

答案：【Notwithasimpleanswer;Research-worthy;Feasibleorresearchable】5.多选题：Whatprinciplesaresupposedtobetakenintoaccountwhenwritingascientificandtechnicalpaper?Youcanchoosemorethanoneanswer.

选项：

A、Clearpurpose

B、Singlefocus

C、Logicalorganization

D、Clearpointofview

E、Sufficientandrelevantsupport

F、Targetreaders

G、Readerengagement

答案：【Clearpurpose;Singlefocus;Logicalorganization;Clearpointofview;Sufficientandrelevantsupport;Targetreaders;Readerengagement】6.单选题：Istheresearchtopic"Whyisnuclearpoweramorepromisingenergysourcethansolarpower"effective?

选项：

A、正确

B、错误

答案：【错误】7.单选题：Istheresearchtopic"Isnuclearpowerapromisingenergysource"effective?

选项：

A、正确

B、错误

答案：【错误】8.单选题：Istheresearchtopic“Howsafeisnuclearpower”effective?

选项：

A、正确

B、错误

答案：【正确】Unit1GoodResearchPapersandTopicsHomework1.Whichwordsinthefollowingresearchpapertitlereflectthetoneofthepaper?AComparativestudyofdifferentfunctionalizedgraphene-nanoplateletaqueousnanofluidsforsolarenergyapplications

AComparativestudy2.Whichwordsinthefollowingresearchpapertitlereflectthetoneofthepaper?RethinkingLiabilityandLicensingforDoctorsintheEraofAI:InsightsfromCompanyLaw

InsightsfromCompanyLaw3.Whichwordsinthefollowingresearchpapertitlereflectthetoneofthepaper?Economicandenvironmentalimpactsofprovidingrenewableenergyforelectricvehiclecharging–Achoiceexperimentstudy

Achoiceexperimentstudy4.Whichwordsinthefollowingresearchpapertitlereflectthetoneofthepaper?Buildingcustomers'trustintheridesharingplatformwithinstitutionalmechanisms:AnempiricalstudyinChina

Anempiricalstudy2.GivingDefinitionsUnit2DefinitionHomework1.Findadefinitionofatechnicalterminyourownfieldofstudyandspecifywhatthewayofgivingdefinitionisintheexampleyoufind.

给出下定义的句子。正确指出下定义使用的方法。Unit2DefinitionQuiz1.单选题：Water________aliquidmadeupofmoleculesofhydrogenandoxygenintheratioof2to1.

选项：

A、calls

B、is

C、defines

D、refers

答案：【is】2.单选题：Theforcethatpushesarocketupwardis________thrust.

选项：

A、meant

B、defined

C、viewed

D、called

答案：【called】3.单选题：Assertivenessis________asaskillofbeingabletostandupforyourownorotherpeople'srightsinacalmandpositiveway,withoutbeingeitheraggressive,orpassivelyaccepting'wrong'.

选项：

A、viewed

B、called

C、referred

D、meant

答案：【viewed】4.单选题：Accelerationrelatestomotion.It________achangeinmotion.

选项：

A、calls

B、defines

C、means

D、refers

答案：【means】5.单选题：UnbalancedForce________tothesumtotalornetforceexertedonanobject.

选项：

A、means

B、refers

C、calls

D、describes

答案：【refers】6.单选题：Tertiaryeducationmaybe________astheperiodofstudywhichisspentatuniversity.

选项：

A、defined

B、called

C、referred

D、meant

答案：【defined】3.DescribingFiguresandTablesUnit3CaptionsforFiguresandTablesHomework1.

图题:DegreeandOccupationalEmploymentdegree1分employment1分2.

图题：ScienceandTechnologyEmployment:1950-2000ScienceandTechnologyEmployment1分1950-20001分3.

表题：Powersourceandtypeofvehicles关键词powersource或energysource和vehicle写出每个关键词得1分Unit3DescriptionofFiguresQuiz1.______alltherespondents,67.1%weremarriedand32.9%weresingle.

答案：【of】2.About4.2%ofthe1,120respondentswereyoungerthan20years,and26.7%were______21and30yearsold.

答案：【between】3.Japanrankedthird______manufacturingvalueaddedat$1.1trillion(seeFigure1).

答案：【in】4.Chinesemanufacturingvalueaddedaccounted______30.6%ofitseconomy’stotaloutputin2012,accordingtotheUN.

答案：【for】5.Manufacturingvalueaddedamounted______12.3%oftotalU.S.grossdomesticproduct(GDP)in2012,accordingtoUnitedNationscalculations.

答案：【to】6.Coalispredictedtoincreasesteadilyto31qin2030,whereasgaswillremainstable______25q.

答案：【at】7.Thesecausesaffecteddifferentregionsdifferentlyinthe1990s,______Europehavingasmuchas9.8%ofdegradationduetodeforestation.

答案：【with】8.Thenumberofprivatecarsincreased______60%from2015to2016.

答案：【by】4.UsingcitationsUnit4CitationsHomework1.Citationsarenotnecessaryifthesourceisnotclear.

ForFalse2.WhentheChinesewriters'ideasarecited,thefirstnamesinPinyinwillbeprovidedinin-textcitations.

ForFalse.3.Comparedwithin-textcitations,theend-of-textreferencesaremoredetailed.

TorTrue.4.Citingcaneffectivelystresstheoriginalityofsomeone'swork.

TorTrue.5.In-textcitationsprovidetheabbreviationofanauthor'sgiven/firstnameratherthanfamily/lastname.

ForFalse.6.Eachcitationcanonlyhaveoneparticularcitingpurpose.

ForFalse.7.Unintentionalplagiarismcanbeexcused.

ForFalse.8.Citingwillmakeourwritinglessoriginal.

ForFalse.Unit4CitationsQuiz1.Thepublicationdetailsofthereferenceslistedattheendofthepaperusuallyareputina____order.

答案：【alphabetical/alphabetic/alphabet】2.Toavoidplagiarism,usingcitationsisthebestwaytogivec____totheoriginalauthor.

答案：【credit】3.Anin-textcitationusuallyincludesinformationabouttheauthorandthep____year.

答案：【publishing/publication】4.Acitationgivesthes____wheretheinformationorideaisfrom.

答案：【source】5.P____isthepracticeofusingorcopyingsomeoneelse'sideaorworkandpretendingthatyouthoughtofitorcreatedit.

答案：【Plagiarism/Plagiarising/Plagiarizing】5.DescribingProcessesandProceduresUnit5ProcessQuiz11.单选题：Tohelpthereaderbetterunderstandacomplicatedprocess,_____________is(are)veryoftenused.

选项：

A、simplevocabulary

B、visualaids

C、subtitles

D、citations

答案：【visualaids】2.单选题：Whenaprocessisdescribed,_____________areusuallyusedtoshowtheorderofthestagesorsteps.

选项：

A、conjunctions

B、sequencers

C、imperativesentencestructures

D、passivevoice

答案：【sequencers】3.多选题：Whatinformationisusuallyincludedwhendefiningaprocess?

选项：

A、Equipment.

B、Material

C、Product

D、Application.

答案：【Equipment.;Material;Product】4.单选题：Decidewhetherthefollowingstatementistrueorfalse.Adefinitionoftheprocessisveryoftengivenfirstwhenaprocessisdescribed.

选项：

A、正确

B、错误

答案：【正确】5.单选题：Decidewhetherthefollowingstatementistrueorfalse.Researchersarerequiredtousepasttensewhendescribingaprocess.

选项：

A、正确

B、错误

答案：【错误】Unit5ProcessQuiz21.单选题：Whichofthefollowingsentencesneedsrevisionforscientificaccuracyandtone?

选项：

A、Themixturewasstirredcontinuouslyfor5minutes.

B、Sampleswereweighedusingadigitalbalance.

C、Thenwecarefullytriedtocleanthecontainerasbestaswecould.

D、Allmeasurementswererecordedautomaticallybythesoftware.

答案：【Thenwecarefullytriedtocleanthecontainerasbestaswecould.】2.单选题：Whichofthefollowingsentencesbestexemplifiesanappropriateprocessdescriptioninascientificpaper?

选项：

A、Ithinkthisexperimentisreallyinterestingandeasytodo.

B、Thesampleswerecollectedandanalyzedtodeterminetheirproteinconcentration.

C、Wedecidedtochecktheresultsonemoretimejustincase.

D、Thisprocessseemstoworkwellinmostsituations.

答案：【Thesampleswerecollectedandanalyzedtodeterminetheirproteinconcentration.】3.单选题：Whichofthefollowingsentencesbestdemonstrateshowtodescribeaprocedureinscientificwriting?

选项：

A、Iaddedthesolutionandwaitedforittoreact.

B、Thesolutionwasadded,andthemixturewasallowedtoreactfor10minutes.

C、Wedecidedtoaddthesolutionjusttoseewhatwouldhappen.

D、Afteraddingthesolution,wewereverysurprisedbythecolorchange.

答案：【Thesolutionwasadded,andthemixturewasallowedtoreactfor10minutes.】4.多选题：Whichofthefollowinglinguisticfeaturesareappropriatewhendescribingproceduresinaresearchpaper?

选项：

A、Useofpreciseverbs(e.g.,measure,record,filter)

B、Useofvaguetimeexpressions(e.g.,forawhile,aftersometime)

C、Useofthepassivevoice

D、Useofquantitativedetails(e.g.,for10minutes,at37°C)

答案：【Useofpreciseverbs(e.g.,measure,record,filter);Useofthepassivevoice;Useofquantitativedetails(e.g.,for10minutes,at37°C)】5.单选题：Intheproceduredescription,theuseoffirst-personpronouns(I,we)ispreferredtomakethestepsmoredirectandpersonal.

选项：

A、正确

B、错误

答案：【错误】6.单选题：Inprocessdescription,verbsareusuallywritteninthepasttenseandactivevoicetoshowtheresearcher’sdirectinvolvement.

选项：

A、正确

B、错误

答案：【错误】7.单选题：Whendescribingprocedures,itisimportanttousechronologicalorderandlogicalconnectorssuchasfirst,next,afterthat,andfinally.

选项：

A、正确

B、错误

答案：【正确】6.ExplainingLaws/PrinciplesUnit6Laws/PrinciplesQuiz11.单选题：Chooseaproperwordfromthechoicestocompletethefollowingsentence.Soakeydifferencebetweenarocketandajetplaneis____________arocket’sengineliftsitdirectlyupwardintothesky,whereasajet’senginessimplyspeedtheplaneforwardsoitswingscangeneratelift.

选项：

A、that

B、why

C、where

D、how

答案：【that】2.单选题：Chooseaproperwordfromthechoicestocompletethefollowingsentence.Becausealltypesofenergycanbeexpressed___________thesameunits,joules,thisconversioncanbeexpressedquantitativelyinsimplemodels.

选项：

A、in

B、as

C、of

D、with

答案：【in】3.单选题：Chooseaproperwordfromthechoicestocompletethefollowingsentence.Newton’ssecondlawrelatesforce,acceleration,andmassanditisoften___________astheequation:f=ma

选项：

A、written

B、solved

C、worked

D、functioned

答案：【written】4.单选题：Chooseaproperwordfromthechoicestocompletethefollowingsentence.Newton’sfirstlaw,thelawofinertia,__________thatittakesaforcetochangethemotionofanobject.

选项：

A、states

B、determines

C、studies

D、explains

答案：【states】5.单选题：Chooseaproperwordfromthechoicestocompletethefollowingsentence.Inmechanicalsystems,power,therateofdoingwork,canbecomputed____________theproductofforce×velocity.

选项：

A、as

B、by

C、into

D、on

答案：【as】6.单选题：Chooseaproperwordfromthechoicestocompletethefollowingsentence.ArockettravelingawayfromEarth____________aspeedgreaterthan11.186kilometerspersecond(6.95milespersecond)or40,270kilometersperhour(25,023mph)willeventuallyescapeEarth’sgravity.

选项：

A、at

B、of

C、in

D、with

答案：【at】7.多选题：Whichofthefollowingaretheguidelinesforwritingformulasandequations?

选项：

A、Centeringequationsontheirownseparatelines.

B、Definingthesymbolsthatareused.

C、Numberingallequationsinsequenceifreferredtolater.

D、Usingequationsasgrammaticalunitsinsentences.

E、Givingtitlesinanyequationsused.

答案：【Centeringequationsontheirownseparatelines.;Definingthesymbolsthatareused.;Numberingallequationsinsequenceifreferredtolater.;Usingequationsasgrammaticalunitsinsentences.】Unit6Laws/PrinciplesQuiz21.单选题：Whichofthefollowingsentencesneedsrevisionforformalcorrectness?

选项：

A、ThetotalenergyisgivenbyEquation(3).

B、AsshowninEq.(2),thepressureincreaseslinearlywithtemperature.

C、Theformulacanbewritten:E=mc2.

D、Equation(5)describestherelationshipbetweenforceandacceleration.

答案：【Theformulacanbewritten:E=mc2.】2.单选题：Whichofthefollowingsentencesisthemostappropriatewaytointroduceascientificlaw?

选项：

A、WeallknowNewton’slaw,whichisreallyinteresting.

B、AccordingtoNewton’sSecondLaw,forceisproportionaltoacceleration.

C、Let’srecallwhatNewtonsaidaboutmotion.

D、Newton’slawobviouslyexplainsthisphenomenon.

答案：【AccordingtoNewton’sSecondLaw,forceisproportionaltoacceleration.】3.单选题：Whichsentenceneedsrevisionforaproperacademictone?

选项：

A、ThisobservationagreeswithBoyle’sLaw.

B、Theresultcanbeexplainedbytheprincipleofsuperposition.

C、ThisisobviouslyfollowingNewton’sLawofGravitation.

D、AccordingtoHooke’sLaw,stressisproportionaltostrain.

答案：【ThisisobviouslyfollowingNewton’sLawofGravitation.】4.多选题：Whichofthefollowingexpressionsareappropriateforintroducingorreferringtolawsandprinciplesinscientificwriting?

选项：

A、Accordingtotheprincipleofconservationofenergy…

B、BasedonOhm’sLaw,thecurrentcanbecalculatedas…

C、Everyoneknowsthatenergycannotbecreatedordestroyed.

D、Asstatedinthelawofthermodynamics…

答案：【Accordingtotheprincipleofconservationofenergy…;BasedonOhm’sLaw,thecurrentcanbecalculatedas…;Asstatedinthelawofthermodynamics…】5.多选题：WhichofthefollowingaregoodpracticeswhenwritingequationsinacademicEnglish?

选项：

A、Defineeveryvariableimmediatelyaftertheequation.

B、Useconsistentnotationthroughoutthepaper.

C、Useabbreviationsorsymbolswithoutexplanationtosavespace.

D、Punctuateequationsaspartofthesentence(e.g.,endwithacommaorperiod).

答案：【Defineeveryvariableimmediatelyaftertheequation.;Useconsistentnotationthroughoutthepaper.;Punctuateequationsaspartofthesentence(e.g.,endwithacommaorperiod).】6.单选题：Whenreferringtoawell-knownscientificprinciple,itisunnecessarytociteitsnameorsource,sincereadersalreadyknowit.

选项：

A、正确

B、错误

答案：【错误】7.单选题：Equationsshouldalwaysbecenteredonthepageandnumberedconsecutivelythroughoutthepaper.

选项：

A、正确

B、错误

答案：【错误】8.单选题：Whenpresentingalaworprinciple,writersshouldbrieflyexplainitsrelevancetothestudyorexperiment.

选项：

A、正确

B、错误

答案：【正确】9.单选题：Whenintroducinganequation,phraseslike“asshowninEquation(1)”or“asdefinedbyEq.(2)”arecommonlyusedtomaintainclarityandcross-referenceconsistency.

选项：

A、正确

B、错误

答案：【正确】7.WritingProposals&ReportsUnit7ReportsQuiz1.多选题：Whattypesofinformationaregenerallysupposedtobeincludedintheintroductionsectioninthereport?

选项：

A、Background

B、Summaryoftheresultsandconclusion

C、Thepurposeoftheresearch

D、Theresearchmethod

答案：【Background;Summaryoftheresultsandconclusion;Thepurposeoftheresearch】2.单选题：PleasedecidewhetherthefollowingstatementisT(true)orF(false)accordingtothevideo.Conclusionandrecommendationsectionstatesthesignificanceofthefindingsandusuallyincludespossibledirectionsforfurtherresearch.

选项：

A、正确

B、错误

答案：【正确】3.单选题：PleasedecidewhetherthefollowingstatementisT(true)orF(false)accordingtothevideo.Discussionsectionanalyzesandevaluatestheresearchmethods.

选项：

A、正确

B、错误

答案：【错误】Unit7ProposalsQuiz1.多选题：Whatarethelanguagefeaturesoftheresearchproposal?

选项：

A、Futuretense

B、Pasttense

C、Firstperson

D、Thirdperson

答案：【Futuretense;Firstperson】2.多选题：Whataretheelementstomaketheresearchproposalpersuasive?

选项：

A、Theimportanceandnecessityoftheresearchquestion

B、Detailedexplanationoftheresearchmethod

C、Expectedresearchresults

D、ACapableresearchteam

E、ClearSchedule

F、Reasonablebudget

答案：【Theimportanceandnecessityoftheresearchquestion;Detailedexplanationoftheresearchmethod;Expectedresearchresults;ACapableresearchteam;ClearSchedule;Reasonablebudget】3.多选题：Whoareusuallythereadersoftheresearchproposals?

选项：

A、Professionals

B、Specialists

C、Supervisorsforthestudents

D、Professors

答案：【Professionals;Specialists;Supervisorsforthestudents;Professors】4.多选题：Whichcanbethesituationsforwritingaresearchproposal?

选项：

A、Applyingforsomeresearchfundsorgrants

B、Applyingforanopportunityforaproject

C、Applyingforabachelor’s,ormaster’sordoctor’sdegree

D、Reportingtheresultsofaresearchproject

答案：【Applyingforsomeresearchfundsorgrants;Applyingforanopportunityforaproject;Applyingforabachelor’s,ormaster’sordoctor’sdegree】5.Thepurposeofwritingaproposalisto________________thereadersthattheresearchplanisfeasibleandwearecapabletodoit.

答案：【persuade】8.WritingLiteratureReviews&ResearchArticlesUnit8LiteratureReviews&ResearchArticlesQuiz11.单选题：Theheading“Briefreviewofliterature:drawingatimelinefrom2005to2017”showstheliteraturereviewisarrangedin______order.

选项：

A、methodological

B、thematic

C、chronological

D、random

答案：【chronological】2.单选题：Aliteraturereviewcouldbepossiblypresentedasa/an______.

选项：

A、partofanintroduction

B、individualsectionofaresearchpaper

C、stand-alonepaper

D、alloftheabove

答案：【alloftheabove】3.单选题：Asforthepurposesofaliteraturereview,whichoneisnotincluded?

选项：

A、summarizingthescholarlysources

B、synthesizingthescholarlysources

C、interpretingandcriticallyevaluatingtheliterature

D、predictingthetrendinrelationtoacentralresearchquestionorhypothesis

答案：【predictingthetrendinrelationtoacentralresearchquestionorhypothesis】4.单选题：Intermsofthewritingfeature,aresearcharticleresemblesa/an______.

选项：

A、exposition

B、argumentation

C、narration

D、description

答案：【argumentation】5.单选题：Aboutwritingaliteraturereview,whichofthefollowingstatementsisnotcorrect?

选项：

A、It’snecessarytomentionbothstrengthsandweaknessesofthepreviouswork.

B、Citationsarefrequentlyobservedinaliteraturereview.

C、Toshowrespecttoothers’work,ourowninterpretationsshouldnotbeincluded.

D、Differentsourcesofinformationshouldbecombinedintoawholeandpresentedlogically.

答案：【Toshowrespecttoothers’work,ourowninterpretationsshouldnotbeincluded.】Unit8LiteratureReviews&ResearchAriticlesQuiz21.单选题：Decidewhetherthefollowingstatementistrueorfalse.Thevalueofaliteraturereviewliesinitsabilitytorelatepreviousstudiestoaspecifictopic.

选项：

A、正确

B、错误

答案：【错误】2.单选题：Decidewhetherthefollowingstatementistrueorfalse.Themorecitationsaliteraturereviewpresents,themoreconvincingitis.

选项：

A、正确

B、错误

答案：【错误】3.单选题：Decidewhetherthefollowingstatementistrueorfalse.Aresearcharticleshouldbequestion-based.

选项：

A、正确

B、错误

答案：【正确】9.WritinganAbstractUnit9AbstractQuiz11.单选题：Thespeedofsoundinafluidisdeterminedby,andthereforeanindicatorof,thethermodynamicpropertiesofthatfluid.Inthissentence,thewriterpresents

选项：

A、Researchaim

B、Methodology

C、Resultsandachievement

D、Backgroundfactualinformation

答案：【Backgroundfactualinformation】2.单选题：Thisindicatesthatthereisapossibilityofobtainingfluiddensityfromsoundspeedmeasurementsandsuggeststhatitispossibletomeasuresoundabsorptionwithanultrasoniccelltodetermineoilviscosity.Inthissentence,thewriterpresents

选项：

A、Implication

B、Researchaim

C、Methodology

D、Resultsandachievement

答案：【Implication】3.单选题：Themeasurementswereshowntoleadtoanaccuratedeterminationofthebubblepointoftheoil.Inthissentence,thewriterpresents

选项：

A、Implication

B、Researchaim

C、Resultsandachievement

D、Problem/gap

答案：【Resultsandachievement】4.单选题：Anultrasoniccellwasconstructedtomeasurethespeedofsoundandtestedinacrudeoilsample.Thespeedofsoundwasmeasuredattemperaturesbetween260and411Katpressuresupto75MPs.Inthissentence,thewriterpresents

选项：

A、Implication

B、Methodology

C、Researchaim

D、Resultsandachievement

答案：【Methodology】5.单选题：Theaimofthisstudywastoinvestigatetheuseofanultrasoniccelltodeterminecrudeoilproperties,inparticularoildensity.Inthissentence,thewriterpresents

选项：

A、Implication

B、Researchaim

C、Resultsandachievement

D、Problem/gap

答案：【Researchaim】Unit9AbstractQuiz21.Sentence2shouldbe_________.

答案：【D/D./d/d.】2.Sentence5shouldbe_________.

答案：【C/C./c/c.】3.Sentence3shouldbe_________.

答案：【A/A./a/a.】4.Imaginethatyouandyourteamhavedesignedamachinethatcanremovechewinggumfromfloorsandpavementsbytreatingthegumchemicallytotransformitintopowderandthenusingvacuumsuctiontoremoveit.Thefollowingsentencesarefromtheabstractofyourresearch.Pleaserearrangethesentencesinthecorrectorder.A.Amachine,GumGone,wasdesignedandconstructed,whichinjectednon-ionicdetergentintogumdepositsusingapowersprayandthenimmediatelyvacuumedtheresultingpowder.B.Thefatsandresinsinchewinggumcontributetoelasticity,bulk,andtexture,butalsoincreasestaining.C.Performancewassuperiortoexistingsystemsandsuggeststhatthedelaybetweentreatmentandremovalisasignificantfactorinstaining.D.Theaimofthisstudywastodesignagumremovalmachineabletoremovegumchemicallywithnostainresidue.E.Itwasfoundthat1μlofdetergentachievedeffective,stain-freeremovalovera300squaremetersarea.Sentence1shouldbe_________.

答案：【B/B./b/b.】5.Sentence4shouldbe_________.

答案：【E/E./e/e.】10.WritinganIntroductionUnit10IntroductionQuiz11.多选题：Whatarethepossiblecontentsofanintroduction?

选项：

A、Reviewingtheexistingliteraturerelevanttothepresentstudy

B、Announcingthepurpose/focusofthestudy

C、Identifyingagapintheexistingliterature

D、Explainingthesignificanceornecessityoftheresearch

答案：【Reviewingtheexistingliteraturerelevanttothepresentstudy;Announcingthepurpose/focusofthestudy;Identifyingagapintheexistingliterature;Explainingthesignificanceornecessityoftheresearch】2.多选题：Choosetheproperanswersforthefollowingquestions.Waystoorganizethereferencesinclude:

选项：

A、a.Chronologicalorderofpublications

B、b.Researchmethods

C、c.Researchtheories

D、d.Researchmodes

答案：【a.Chronologicalorderofpublications;b.Researchmethods;c.Researchtheories;d.Researchmodes】3.单选题：Decidewhetherthefollowingstatementistrueorfalse.d.Thepurposesoftheintroductionaretospecifytheresearchproblemanddemonstratethenecessityandsignificanceofthestudy.

选项：

A、正确

B、错误

答案：【正确】4.单选题：Decidewhetherthefollowingstatementistrueorfalse.c.Introductionincludesmoredetailedinformationthanabstract.

选项：

A、正确

B、错误

答案：【正确】5.单选题：Decidewhetherthefollowingstatementistrueorfalse.b.Bothintroductionandabstractincluderesearchfindings.

选项：

A、正确

B、错误

答案：【错误】6.单选题：Decidewhetherthefollowingstatementistrueorfalse.a.Itispossibletofindtablesordiagramsinintroduction.

选项：

A、正确

B、错误

答案：【正确】Unit10IntroductionQuiz21.单选题：Inthispaper,wedevelopamodelfortrajectoryplanningofanairvehicle.

选项：

A、Explainingthesignificanceornecessityoftheresearch

B、Reviewingtheexistingliteraturerelevanttothepresentstudy

C、Identifyingagapintheexistingliterature

D、Announcingthepurpose/focusofthestudy

E、Outliningthepaperstructure

答案：【Announcingthepurpose/focusofthestudy】2.单选题：However,fewhavebeenreportedontheprecursorfilmsgeneratedbysputteringaCIGtarget.

选项：

A、Explainingthesignificanceornecessityoftheresearch

B、Reviewingtheexistingliteraturerelevanttothepresentstudy

C、Identifyingagapintheexistingliterature

D、Announcingthepurpose/focusofthestudy

E、Outliningthepaperstructure

答案：【Identifyingagapintheexistingliterature】3.单选题：Therefore,theaimofthispaperistopresentanimprovementofthepreviouscalculationtoolundertheovercastconditionsandtoofferanewanalyticformulaforthepipe'sopticalefficiencywhichprovidesbetterresultsthantheobviouslyusedstandardCIEformula.

选项：

A、Explainingthesignificanceornecessityoftheresearch

B、Reviewingtheexistingliteraturerelevanttothepresentstudy

C、Identifyingagapintheexistingliterature

D、Announcingthepurpose/focusofthestudy

E、Outliningthepaperstructure

答案：【Announcingthepurpose/focusofthestudy】4.单选题：Somemathematicalmodelsordesigntoolshavebeenproposedforthispurpose.

选项：

A、Explainingthesignificanceornecessityoftheresearch

B、Reviewingtheexistingliteraturerelevanttothepresentstudy

C、Identifyingagapintheexistingliterature

D、Announcingthepurpose/focusofthestudy

E、Outliningthepaperstructure

答案：【Reviewingtheexistingliteraturerelevanttothepresentstudy】5.单选题：Tubulardaylightguidancesystemsarenowbeingwidelyinstalledinvarioustypesofbuildingstodeliversolarlightintospaceswithinsufficientconventionalglazing.

选项：

A、Explainingthesignificanceornecessityoftheresearch

B、Reviewingtheexistingliteraturerelevanttothepresentstudy

C、Identifyingagapintheexistingliterature

D、Announcingthepurpose/focusofthestudy

E、Outliningthepaperstructure

答案：【Explainingthesignificanceornecessityoftheresearch】6.单选题：Toenhancethephotocatalyticactivity,numerousinvestigationshavebeenconductedtodelaytheelectron-holerecombinationbycouplingordopingwithnoblemetals,non-metalsandsemiconductors.

选项：

A、Explainingthesignificanceornecessityoftheresearch

B、Reviewingtheexistingliteraturerelevanttothepresentstudy

C、Identifyingaga