广西南宁市届第二次适应性测试英语试题.docx

广西南宁市届第二次适应性测试英语试题.docx

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广西南宁市届第二次适应性测试英语试题

广西南宁市2021届第二次适应性测试英语试题

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一、阅读选择

InternationalUNVolunteerProgram2021

IfyouareinterestedandreadytobecomeaUNvolunteer,youcanjoinamillionvolunteerstoregisterandbecomeaninternationalvolunteerthroughanyoftheavailableopportunitiescuttingacrossawiderangeofprofessions.UNvolunteerjobisavailabletothevolunteersfromanypartoftheglobe.Youcancontributeyourtime,skillsandknowledgethroughvolunteeringwiththeUN.Thisisanopportunitytocreateapositiveimpactandbeasignificantforceforachievingpeaceanddevelopment.

Whatitinvolves

TheInternationalUNVolunteerspromotepeaceanddevelopmentincommunitiesaroundtheglobe,whilesupportingtheidealsandaspirations（抱负）oftheUnitedNations.

Volunteerscomefrom160countries,representingmanyculturesandbackgrounds.Theybringawidevarietyofperspectives（观点）andapproaches.

Asavolunteer,youcanlearnaboutdifferentcultures,expandyournetworks,studyforeignlanguagesandgainprofessionalandlifeexperiences.

RequirementsforbecomingaUNvolunteer

*25yearsoldorolder（noupperagelimit）.

*Universitydegreeorhighertechnicaldiploma（文凭）.

*Twoyearsofrelevantvolunteerexperienceinaprofessionalbackgroundwillgaintheprioritytobeemployed.

*GoodworkingknowledgeofatleastoneofUNV'sthreeworkinglanguages:

English,FrenchorSpanish.

*Abilitytoworkinamulticulturalenvironment.

*Willingnesstoworkwithpeopleandlocalorganizationstodrawuponthesynergies（协同作用）betweenexpertsolutionsandlocalknowledge.

*Abilitytoadjustindifficultlivingconditionsandsometimesremotelocations.

*Stronginterpersonalandorganizationalskills.

1．WhatbenefitcananInternationalUNvolunteerenjoy?

A．Expandednetworks.

B．Afreehigheducationopportunity.

C．WorkingasaclerkintheUNlater.

D．Opportunitiestotravelinmorethan160countries.

2．Whatisrequiredfortheapplicant?

A．GoodcommandofRussian.

B．Excellentorganizationalskills.

C．Ahighschooldiploma.

D．Attheageof18orolder.

3．Whoismostlikelytogetthevolunteeropportunity?

A．Onewithtechnicaldiploma.

B．Onewithgoodcooperationability.

C．OnewithexcellentspokenEnglish.

D．Onewithyearsofrelevantvolunteerexperience.

StudentsatSummerCreekandKingwoodParkHighschoolshavejoinedaprojectcalled“StudentsHelpingVeterans（退伍军人）:

BigHeroes,TinyHomes”overthepastschoolyear.

Thehighschool’sstudentsandteacherspartneredtogethertocreateatinyhomecommunityintheHoustonarea,forhomelessveterans.Generouslocalcommunitydonationshelpedfundtheproject.Besides,theschoolscollaboratewitharchitects,engineersandothercommunitypartnersinthelocalcommunitytodesignandbuildhomesexpectedtobe200to300squarefeetinsize.Theyeventuallywanttobuildacommunitywhereveteranscanbesurroundedbyotherveteranneighborswhounderstandandrelatetotheirdifficultiesandissueswhencomingbacktocivilianlife.

Asateam,thestudentsattendregularmeetingstogethertoworkonthedesign.Theyaremotivatedbythepurposebehindtheprojectwhichkeepsthemfocusingonthetasksathand.Witheverynailthatgoesin,theyknowthattheyareimprovingaveteran'slifeandprovidinghimasecurehomewherehecanspendhisgoldenyears."Thekidsaredoingsomethingforsomeonewithoutanyrewardexceptknowingtheyaredoingitforsomeone,"saidMissyTayler,theirproudteacher.

"Theywantedtoservetheircountryandprotectus,andtheycamebackbuttheydidn'tgetthesametreatment,"saidseniorstudentSarahDalby,describinghermotivationtohelp.Sheaddedthatwhenshestartedtheproject,shebarelyknewhowtouseasawbutsheisafastlearnerandlovesthework.“Youhavetoappreciatethearmedforcesofourcountryforgivingustheindividuallibertiesthatweenjoy,”seniorstudent,NicolasLogansaidwhenexplaininghisownmotivationtoparticipateintheproject.

4．Whatdoestheunderlinedphrase“collaboratewith”inparagraph2mean?

A．Learnfrom.B．Teamupwith.

C．Competeagainst.D．Makeupwith.

5．Whoaidedtheprojectfinancially?

A．Highschoolstudentsandteachers.

B．Localarchitectsandengineers.

C．Citizensandorganizationsfromlocalcommunities.

D．GovernmentsofHoustonareas.

6．Whichcanbestdescribethestudentsinvolvedintheproject?

A．Caringandcooperative.

B．Demandingandconsiderate.

C．Humorousanddetermined.

D．Independentandintelligent.

7．What'sthepurposeofthelastparagraph?

A．Toexpresstheteachers'feelings.

B．Toexplainthesecretoftheproject.

C．Toexplainthestudents'motivation.

D．Torevealapotentialeducationalbenefit.

Identicaltwins（同卵双胞胎）maynotbeexactcopiesattheDNAlevelafterall.Normally,identicaltwinsdifferby5.2geneticchanges.ResearcherssharedtheirnewfindinginNatureGenetics.

Identicaltwinsarealsocalledmonozygotictwins（单卵双胞胎）.Theycomefromasingleegg.Thateggformsanembryo（胚胎）.Then,itsplitsintotwoembryos.Eachoftheseembryoswillgoontobecomeababy.

Identicaltwinshavelongbeenthoughttohavetheexactsamegenes.That'swhysomescientificstudiesstudythesetwins.Suchstudiestrytodeterminewhetherparticularfeatures,diseasesorconditionsareduetogenesorinsteadreflectenvironmentalinfluences.Anydifferencesinthehealthofidenticaltwinswerethoughttobeduetodifferentenvironmentalexposures.Thenewfindings,though,suggestthatgeneticchangesmightalsoexplainwhyidenticaltwinsaren'ttrulyidentical.

ResearchersinIcelandstudied381pairsofidenticaltwins.Thenthescientistsstudiedallthegenesineachpersoncarefully.Only38pairsoftwinshadallthesamegenes.MosttwinpairsdifferedsomewhatintheirDNA．Thosedifferenceslikelyaroselongbeforebirth.Itcouldhavehappenedeitherjustbeforeoneembryosplittoformtwooritcouldhavehappenedshortlyafterthesplit.Someofthetwinshadmanygeneticdifferences.Thirty-ninepairshadmorethan100differencesintheirgenes.

Genechanges,ormutations（突变）,seeninthenewlystudiedtwinssuggestthatembryosdon’tsplitneatlyinhalfwhentwinsform.Sometwinsmayarisewhenasinglecellorasmallgroupofcellssplitsofffromanembryo.Howmanycellseachtwinoriginatesfrommaydeterminehowgeneticallydifferenttheyare.Moreunevensplitsoftheembryomayleadtoagreaternumberofgenedifferencesinthetwins.

8．Whatdoestheauthorintendtodoinparagraph1?

A．Makeacomparison.B．Proposeadefinition.

C．Presentaconclusion.D．Raiseanargument.

9．Whatmayexplainthereasonwhyidenticaltwinsaren’tthesame?

A．Somediseases.B．Educationeffects.

C．Thegeneticorigin.D．Thechangesofgene.

10．WhatdoestheresearchinIcelandshow?

A．Almostallthetwinshavenodifferenceingenes.

B．Halfoftwinshavemorethan100differencesingenes.

C．Abouttenpercentoftwinssharethesamegenes.

D．Genedifferencesusuallyoccurshortlyafterthesplit.

11．Whatcanbeasuitabletitleforthetext?

A．SomeIdenticalTwinsDon'tHavetheSameDNA

B．ManyPeopleHavetheExactlySimilarGenes

C．NotAlltheIdenticalTwinsLooktheSame

D．IdenticalTwinsAttractManyResearchers

China’sChang’e5missiontothemoonwascompletedinlessthanamonthafterblastingoff（点火起飞）.Acapsulecontainingsamplesoflunar（月球的）rocksandsoilcollectedfromthesurfaceofournaturalsatellitelandedinInnerMongolia,whereitwastakenbackforstudy.

ChinesebroadcasterCGTNreportedthatthecapsulehadlandedbacktoEarthjustafter10amDec.16.Searchcrewswereoutinthefreezingpre-dawnHourslookingtofindbackthecapsulefromthesnowygrasslandduringtemperatureswellbelowzero.Aerialimages（航拍影像）appearedtoshowthecapsulesafelyrestingontheground.

China'sNationalSpaceAdministrationannouncedonThursday,Dec.3,thatitsascentmodule（上升器）hadblastedofffromthetopofthemission'slunarlander,carryingsamplesofrockandsoilitdugfromthelunarsurface.Itthenmetwithanorbitercirclingthemoon.ThepairmadethereturntriptoEarthwherethecapsulecarryingthesampleswassentonitswayforahotandfastgoingdownthroughouratmosphereonlytolandonthefrozenground.

ThemissionliftedofffromChinaonNov.23andlandedonthemoononDec.l.VideosfromChinesemediashowedthelander’sroboticarmhardatworkduringitsshortshiftonanotherworld.Duringitsstay,Chang'e5alsosentbackimagesofalunarplainofrelativelyyoungvolcanicmoonrock.Theimageshowsbothdistanthillsandhowthefeetofthelanderdugintothesoftsurfaceofthemoonasittoucheddown.Enlargingthefootofthelanderinparticularprovidersarealsenseofthedry,desert-likelunarsurface.Whenthesampleswerecollected,theyhavebeenthefirstpiecesofthemoontobereturnedtoourplanetsincethe1970s.

12．WhatisthemissionofChang'e5?

A．Collectingsamplesofrocksandsoilfromthemoon.

B．Takingthesamplesfromtheearthtothenmoon.

C．Sendingaman-madesatellitetoorbitthemoon.

D．Sendingamannedspaceshiptomakealunarlanding.

13．Whichofthefollowingwasleftonthemoonaccordingtothetext?

A．Thecapsule.B．Thelunarlander.

C．Theascentmodule.D．Theorbiter.

14．Whatdotheunderlinedwords"anotherworld"inparagraph4referto?

A．TheEarth.B．Aspaceship.

C．Chang'e5.D．TheMoon

15．Inwhichsectionofanewspapermaythistextappear?

A．Entertainment.B．Science.C．Education.D．Health.

二、七选五

Peoplesaythattheeyesarea“windowtothesoul”.Eyescanconveyalotofinformationaboutsomeone’smoodandlevelofinterest.

Peopletendtobli