单元测试题.docx

单元测试题.docx

《单元测试题.docx》由会员分享，可在线阅读，更多相关《单元测试题.docx（19页珍藏版）》请在冰豆网上搜索。

单元测试题

Unit2Cloning

第二部分：

阅读理解（共两节，满分40分）

第一节（共15小题；每小题2分，满分30分）

阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。

A★★☆☆☆

<

WhenatornadostruckthesmalltownofOtwell,Indiana,inMay2006,KathrynMartin,32,wholived60milesawayinEvansville,couldn’tgetthenewsofitoutofhermind.“Ikeptthinkingaboutthosepoorpeople.Somebodyhadtohelpthem,”shesays.Sheknewfirsthandwhattheyweregoingthrough.

Sixmonthsearlier,inthemiddleofthenightonNovember6,2005,atornadohadstruckhertown,takingthelivesofher2-year-oldson,C.J.,hermother-in-lawandhergrandmother-in-law.Thethreehadbeenhavingasleepoverathergrandmother-in-law’smobilehome.Kathryn,herthreeotherchildrenandherhusbandsurvived.“Itwasthemostterribleexperienceofmylife,”shesays.“Thatpainwillnevergoaway,anditbrokemyhearttothinkaboutwhatotherfamiliesweregoingthroughinOtwell,especiallythechildren.”

SoKathrynloadedhercarwithjuiceboxes,snacks（零食）andtoysanddrovetoOtwell.ShedroppedofftheitemswiththeRedCross.OnthedrivebacktoEvansville,Kathryncameupwithanideatohelpmorekids.Shespentthenextfewmonthsorganizinghomegrownfundraisers:

carnivals,carwashes,walk/runs.Finally,inAugust2007,sheunveiled（使公诸于众）C.J.’sBus,a35-footschoolbus-turned-mobile-playroom.StockedwithbinsofvideogamesandDVDs,toys,booksandmuchmore,thebustravelstodisaster-torntowns,givingthechildrenthereasafeplacetoplaywhiletheirparentssimplytakeabreak.ToKathrynandherteamof39volunteers—someofthemfellowtornadovictims—“it’sjustkeepingitnormalforkids.”

Sofar,C.J.’sBushastraveledtothreestatesaffectedbytornadoesorfloods,cheeringupmorethan756children,ages3to13.

21.Kathrynwantedtohelpothersafterthetornadomainlybecause_____.

A.shewantedtorecoverfrompain

B.shehadexperiencedthesamedisaster

C.shehadenoughexperienceoffirstaid

D.shewasoneofthemembersoftheRedCross

22.Whenthetornadostruckhertownin2005,Kathryn_____.

A.losther2-year-oldson,C.J.

B.wastheonlysurvivorinherfamily

C.triedveryhardtohelpothervillagers

D.wassleepingathergrandmother-in-law’smobilehome

23.WhatcanweknowaboutC.J.’sBus?

A.Itprovidesfunforchildrenindisaster-struckareas.

B.Parentscanplaygameswithchildreninit.

C.Childrencaneatvarioussnacksinit.

D.Itcostslotsofmoneytoproduceit.

24.WhichwordcanbestdescribeKathryn?

A.Unusual.                  B.Imaginative.             

C.Self-centered.          D.Kind-hearted.

B★★★☆☆

DearJimmy,

Youaskmewhyoursingingandspeakingvoicesaredifferent.It’saverygoodquestionrelatingtothescientificstudyofsound.

Whenapersonspeaks,heusesabunchofdifferentstructuresinsidehisbody:

hislungs,themusclesaroundhislungs,hislarynx（喉头）（voicebox）,hisvocalfolds（声带）,andthespacesabovehisvocalfolds.Whenapersonsings,whetherheisaprofessionaloperasingeroryourlittlebrothersinging“JingleBells,BatmanSmells,”heusesabunchofdifferentstructuresinsidehisbody:

hislungs,themusclesaroundhislungs,hislarynx,hisvocalfolds,andthespacesabovehisvocalfolds.

Butyoursingingvoicedoessounddifferentfromyourspeakingvoice.Onereasonisthatyoudonotuseasmuchlungpressurewhenyouspeakaswhenyousing.Anotherreasonisthatyouusemoreofthespacesaboveyourvocalfoldswhenyousingthanwhenyouspeak.Thisallowsmoreechoing（回声）andmakesyoursingingsoundmoreresonant（洪亮的）.

Youmayalsohavenoticedthatastrongaccent,likeaSouthernaccentoraBritishaccent,islessnoticeabletoyouwhensomeonesingsthanwhenhespeaks.First,rememberthatwhatyouhearasanaccentisjustsomebodysayingvowelsoundsdifferentlyfromhowyousaythem.Insinging,thevowelsoundsarelongerthaninspeaking;thismakesanydifferenceslessnoticeable.

Justlikeyou,scientistsareinterestedinthedifferencesbetweensingingandspeakingvoices.Scientistsdiscoveredthathearingavoiceforjustonesecondwasenoughtotellthedifferencebetweenasingingvoiceandaspeakingvoice95percentofthetime.And,Ipredictthatpeoplecouldtellthedifferencebetweenaprofessionaloperasingerandyourlittlebrothersinging“JingleBells”exactly100percentofthetime...although,muchtomysurprise,noscientistshaveactuallydonethatexperimentyet.

                                                                           Yourssincerely,

                                                                           Dr.CyBorg

25.Wecanlearnfromthesecondparagraphthat_____.

A.thelarynxismoreimportantinsinging

B.singingusesthesamestructuresasspeaking

C.singinginvolvesmorestructuresinsidethebody

D.adultsandchildrenusedifferentstructureswhensinging

26.Thethirdparagraphismainlyabout_____.

A.howthelungpressureisusedinspeaking

B.howtomakesingingsoundmoreresonant

C.whysingingandspeakingvoicesaredifferent

D.whysingingusesmorespacesabovethevocalfolds

27.Themainpurposeofthetextisto_____.

A.encouragepeopletolearnsinging

B.introduceascientificstudyofsound

C.tellthedifferencebetweenaccents

D.teachpeoplehowtousethestructuresofthebodycorrectly

C★★☆☆☆

TheRenaissanceisgenerallyconsideredtohavestartedinFlorence,Italyaroundtheyears1350to1400.ThestartoftheRenaissancealsowastheendoftheMiddleAges.

Humanism

IntheMiddleAgespeoplethoughtthatlifewasnothingbuthardworkandwar.

However,aroundthe1300s,thepeopleinFlorence,Italystartedtothinkthatpeopleshouldbeeducatedandthatthingslikeart,music,andsciencecouldmakelifebetterforeveryone.

ThisnewwayofthinkingwascalledHumanism.

Florence,Italy

AtthestartoftheRenaissance,Italywasdividedupintoanumberofpowerfulcity-states.Oneofthemajorcity-stateswasFlorence.

Inthelate1300s,Florencehadbecomearichcity.Wealthybusinessmenhadthemoneytohireartisans（工匠）.Thisinspiredcompetitionsamongartistsandthinkers.Artbegantoflourish（繁荣）andnewthoughtsbegantoappear.

PetrarchandHumanism

FrancescoPetrarchisoftencalledthe“FatherofHumanism”.HestudiedpoetsandphilosophersfromAncientRomesuchasCiceroandVirgil.HisideasandpoetrybecameaninspirationtomanywritersandpoetsthroughoutallofEuropeastheRenaissancespread.

GiottodiBondone

GiottowasapainterinFlorence,Italy.HewasthefirstpaintertobreakawayfromthestandardByzantinestylepaintingoftheMiddleAgesandtrysomethingnew.GiottoissaidtohavestartedtheRenaissanceinartwithhisnewstyleofrealisticpainting.

Dante

AnothermajorcontributortothestartoftheRenaissancewasDanteAlighieri.HelivedinFlorenceandwrotetheDivineComedyintheearly1300s.ThisbookisconsideredtobethegreatestliteraryworkeverwrittenintheItalianlanguage.

NewIdeasSpread

ThisnewwayofthinkingandstyleofartquicklyspreadtootherwealthyItaliancity-states.ThisearlypartoftheRenaissanceisoftencalledtheItalianRenaissance.ItalywouldbecomewealthythroughtradeandtheirnewideassoonspreadthroughoutallofEurope.

28.IntheMiddleAgespeoplethoughtthat_____.

A.lifewasreallyhard

B.lifecouldbeenjoyable

C.theycouldbeeducated

D.theyshouldlivedifferently

29.WhichofthefollowingwasthefirstRenaissancepainter?

A.FrancescoPetrarch. 

B.GiottodiBondone.

C.DanteAlighieri.        

D.Cicero.

30.Whatwouldbethebesttitleforthetext?

A.WhatdoestheRenaissancemean?

B.HowdidtheRenaissancebegin?

C.TheartistsintheRenaissance

D.LiteratureintheRenaissance

31.Thetextismostprobablytakenfrom_____.

A.abookreview      

B.ahistorypaper

C.anewspaperad        

D.atravelmagazine

D★★★☆☆

Researchershavediscoveredapreviouslyundocumentedspeciesofall-femalelizard（蜥蜴）thatcanreproduceitselfbycloning.

LeiolepisngovantriiisasmalllizardfoundonlyintheMekongRiverdeltainsouthVietnam.

ThespecieswasdiscoveredbyaVietnamesescientistwhocameacrosstanksfullofthematsmallrestaurantsinvillagesinBaRia-VungTauProvince.

Thescientist,NgoVanTrioftheVietnamAcademyofScienceandTechnology,becameintriguedwhenhenoticedthatallofthelizardsappearedtobefemale.

HecontactedanAmericancolleagueaboutwhathehadseenwhocameouttoassessthefindings.

DrLeeGrismer,aprofessoratLaSierraUniversityinRiverside,California,andhisson,JesseGrismer,adoctoralcandidate,flewtoHanoiandtravelledtoalittlerestauranttwo-day’stripawaywheretheownerhadpromisedtosetasidesomeofthelizardstobestudied.

However,bythetimeDrGrismerandhissonarrived,theyfoundthattheownerhadcookedallthelizardstoserveuptocustomersandtherewerenoneleft.

Determinednottoabandontheirstudythemenhiredsomechildrentotrackdownandcatchasmanylizardsastheycouldfind.

Witharound60lizardscaughtandidentified,thescientistsdiscoveredthattheyhadapreviouslyundocumentedspecies.

‘It’sanentirelynewlineage（血统）oflifethatwasbeingeatenandsoldinrestaurantsforfood,’saysGrismer.‘Butit’ssomethingthatscientistshavemissedforhundredsofyears.’

AfterDNAsamplingcarriedoutonthetinylizardsthemenmadeanothersurprisingdiscovery:

allofthelizardswerefemale,andwereclonesoftheirmothers.

Grismersaysthatthelizardstheydiscoveredarelikelytobeahybridmixoftwosimilarlizardspeciesinthearea.Headdsthattappingintolo