四川省棠湖中学春季高一期中考试英语试题及答案.docx
- 文档编号:6309696
- 上传时间:2023-01-05
- 格式:DOCX
- 页数:10
- 大小:25.33KB
四川省棠湖中学春季高一期中考试英语试题及答案.docx
《四川省棠湖中学春季高一期中考试英语试题及答案.docx》由会员分享,可在线阅读,更多相关《四川省棠湖中学春季高一期中考试英语试题及答案.docx(10页珍藏版)》请在冰豆网上搜索。
四川省棠湖中学春季高一期中考试英语试题及答案
四川省棠湖中学
2020年春季高一期中考试
英语试题
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A、B、C和D四个选项中,选出最佳选项
A
TheInternationalVoluntaryServicerunsanumberofYouthExchangesthroughouttheyear.YouthExchangesgivesmallgroupsof4-5youngpeopletheopportunitytotakepartinvolunteeringtripsabroadforanaverageoftwoweeks.Theseyoungpeoplearejoinedby4-5youngpeoplefrom3-4othernationalitiesandareawonderfulinterculturalexperienceinasafeenvironment.
ExampleYouthExchanges:
YouthExchange1
Location:
Ireland
Othernationalities:
Ireland,Spain,Italy,Hungary
Theme:
Focusesonthetopicofcommunityreconstructionandcommunityactivities—exploringhowlocalissuesfacingourcommunitiesareconnectedtoglobalissues.Thegroupwillalsolearnabouttheeco-villageasanexampleofacommunityandtakepartinteam-buildingactivities.
YouthExchange2
Location:
France
Othernationalities:
Bulgaria,Italy,France
Theme:
Organicgardening&continualliving.Thisprojectwilltakeplaceinanaturalpark,wherethegroupwilltakepartingardeningactivitiesandgames/workshopsaboutcontinuousdevelopment.
YouthExchange3
Location:
Macedonia
Othernationalities:
Serbia,Turkey,Ireland
Theme:
Fostersocialinclusionandmotivatepersonaldevelopmentofyoungpeoplethroughsportsandoutdooractivities.Promoteoutdooractivitiesasatooltohelpinclusionofyoungpeoplewithfeweropportunities.
YouthExchange4
Location:
Italy
Othernationalities:
Italy,Bulgaria,Greece
Theme:
AsociaI-environmentalprojectthatintendstopromotesocialinclusionandcontinuabledevelopment,regardedasaprocessofcivilrightsandactivecitizenship.Over10days,thegroupwillparticipateinactivitiestoraiseawarenessabouttheeffectofourbehaviorontheenvironment.
21.WhatdoyoufocusonwhentravellinginFrance?
A.Gardeningwork.
B.Civilrights.
C.Developingsocialinclusion.
D.Rebuildingcommunities.
22.Ifyouareinterestedinprotectingtheenvironment,youcantakepartin________.
A.YouthExchange1B.YouthExchange2
C.YouthExchange3D.YouthExchange4
23.WhichnationalityareYouthExchangesmostpopularwith?
A.Spain.B.Italy.C.Ireland.D.France.
B
In1977,aUniversityofOxfordstatisticiannamedRichardPetopointedoutasimpleyetpuzzlingbiologicalfact:
wehumansshouldhavealotmorecancerthanmice,butwedon’t.
Dr.Peto’sargumentwassimple.Everytimeacelldivides,there’sasmallchanceitwillgainamutation(突变)thatspeedsupitsgrowth.Cellsthataccumulate(聚集)severalofthesemutationsmaybecomecancerous.Thebiggerananimalis,themorecellsithas,andthelongerananimallives,themoretimesitscellsdivide.Wehumansundergo(经历)about10,000timesasmanycelldivisionsasmice—andthusshouldbefarmorelikelytogetcancer.
Anumberofscientistshaveassumedthatlarge,long-livedanimalsmusthaveevolvedextracancer-fightingweapons.Otherwise,thesespecieswoulddieout.
Dr.JoshuaD.Schiffman,anoncologist(肿瘤学家)attheHuntsmanCancerInstitute,reviewedzoorecordsonthedeathsof644elephantsandfoundthatlessthan5percentdiedofcancer.Bycontrast,11percentto25percentofhumansdieofcancer.
Tounderstandtheelephants’defenses,thescientistsinvestigatedagenethatisvitaltopreventingcancercalledp53.TheproteinencodedbythegenemonitorscellsfordamagetotheDNAtheycontain.Dr.Schiffmanandhiscolleaguesfoundthatelephantshaveevolvednewcopiesofthep53gene.Whilehumanshaveonlyonepairofp53genes,thescientistsidentified20pairsinelephants.
Toseewhethertheseextracopiesofp53madeadifferenceinfightingcancer,theyranexperimentsonelephantcells.Theytreatedelephantcellswithdamagingradiation,chemicalsandUVlight.
“Inallcases,insteadoftryingtorepairthedamage,theelephantcellssimplycommittedsuicide”saidDr.Schiffman.Hesaidhethoughtthewaytheelephantcellsrespondedwasaveryeffectivewaytoblockcancer.
PatriciaMuller,anoncologistattheMRCToxicologyUnitattheUniversityofLeicester,whowasnotinvolvedinthestudies,saidtheresults,thoughconvincing,didn’tfirmlyestablishexactlyhowelephantsusep53tofightcancer.Onepossibilityisthattheextracopiesdon’tactuallycausecellstocommitsuicide.Instead,theymayactasdecoys(诱饵)forenzymes(酶)thatdestroyp53proteins.
Dr.Mullersaiditwasespeciallyimportanttounderstandpreciselyhowelephantsfightcancerbeforetryingtocopytheirstrategieswithdrugsforhumans.
24.Whatdoesthe2ndparagraphwanttotellus?
A.Humanshouldbemorelikelytodevelopcancerthanmice.
B.Celldivisioncanincreasethespeedofgrowthofmutations.
C.Thebiggerananimalis,thesmallerchanceofgettingcancerithas.
D.Dr.Peto’sargumentwasnotsimple.
25.Accordingtothepassage,p53is______.
A.aproteintopreventcancerB.agenetodefendagainstcancer
C.aproteintodestroydamagedcellsD.agenetochangecells
26.WhatdoesDr.Schiffmansayabouttheextracopiesofp53fightingcancer?
A.Theycausethecellstorepairthegenes.
B.Theystopcellsfromdividingfurther.
C.Theyactasdecoysforenzymesthatdestroyp53proteins.
D.Theycausethecellstocommitsuicide.
27.WhichofthefollowingisTRUE?
A.Dr.Schiffmanpointedoutthatwehumansdon’thavemorecancerthanmice.
B.Thecancerdeathrateofhumansisfivepercenthigherthanthatofelephants.
C.Thescientistsfoundthereare20pairsofp53genesinelephants.
D.Dr.Mulleralsotookpartinthestudies.
C
Businessesarewitnessingadifficulttime,whichhasinturnproducedinfluenceonconsumers,desiretogogreen.However,shoppersarestilllayingstressonenvironmentalconcerns.
Twothirdsofcustomerssaythatenvironmentalconsiderationsinformtheirpurchasestothesamedegreeastheydidayearago,whilemorethanaquartersaythattheyarenowevenbetterawareoftheenvironmentaleffectonwhattheybuy.
Thismayhelptoinfluencehowshopsstoregoodsontheirshelves.Andthecompaniesshouldstillmakeeffortstobecomemoreenvironmentallyfriendly.Twooutofthreepeoplethinkitisimportanttobuyfromenvironmentallyresponsiblecompanies,withaboutoneinsevensayingthattheyhadevendecidedtotaketheircustomelsewhereiftheyfeltacompany’senvironmentalreputationwasnotgoodenough.
HarryMorrison,chiefexecutive(主管)oftheCarbonTrust,sympathizes:
“Iunderstandthissituationwheresurvivalisveryimportantnow.Butfromenvironmentalconsiderations,theclockisticking—wedon’thavemuchtime.Inaddition,cuttingcarbonhasanimmediateeffectascostsdropandamedium-termbenefitforthebrand.”
Largercompanieshaveanextramotivationtolookatreducingtheircarbonfootprint,asnewrulesnextyearwillrequirebusinessestobuycarbonallowancestomakeupfortheiremissions(排放).Thosethathavetakenearlyactionwillhaveaheadstart.Morethantwothirdsofconsumersarenotclearaboutwhichcompaniesareenvironmentallyresponsible.Thissuggeststhatfirmsthatareabletorelayclearlytheirmessagetothepublicwillbeinapolepositiontoattractshoppers.
TheCarbonTrustbelievesthatitcanhelpbyinformingcustomersaboutthegoodworkcompaniesaredoing.“Whencompaniesaregranted(授予)thestandard,theycanusealogo(标识)inalltheirmarketingwhichmakesitclearthattheyareworkingtowardscuttingemissions,”Mr.Morrisonsaid.
28.What’sthemainideaofthepassage?
A.Businessesarefindingwaystosendtheirmessagetotheshoppers.
B.Companieswillsoongetinformationaboutcuttingcarbonemissions.
C.Firmsaremakingeffortstoencouragecustomerstokeepgoodsathome.
D.Firmsareurgedtocutcarbonemissionsbyshoppers,environmentalawareness.
29.Theunderlinedword“inform”inParagraph2probablymeans“”.
A.affectB.change
C.disturbD.reject
30.AccordingtoHarryMorrison,businesses.
A.willbenefitfromcuttingcarbonemissions
B.shouldbuycarbonallowancesforshoppers
C.arerequiredtomakeupfortheircarbonemissions
D.haveencouragedshopperstotaketheircustomelsewhere
31.Wecanlearnfromthepassagethatbusinesseswill.
A.haveastrongdesiretoreducecostsB.usethesamelogointheirmarketing
C.gainadvantagesbytakingearlyactionD.attractmoreshoppersbystoringgoods
D
Thiscouldbetheperfectgiftforthepartner,whoembarrassesyouonthedancefloor.Smartsocks,whichcanteachtodance,maybetheanswerforanyonewithtwoleftfeet.
Thesockshavebeendevelopedasarunningtooltohelprunnersimprovetheirskills.Thankstothesocks,userscanaccuratelyrecordnotonlyhowfarandfasttheyrunbutalsohowwell.Itmeanstheusermaximizestheirperformance,andreducesdamagetobodyandpreventshurt.Thehi-techsocksaremadeofspecialfibersthatwatchthemovementsofyourfeet.Theylook,feelandcanbewashedlikenormalclothes.
Sensors(传感器)recordeachmovementandsenditbyanankletransmitter(脚踝发射器)toasmartphone.Thena“virtualcoach”applicationshowstheinformationandcantelltheuserwhattheyaredoingwrong,andhelptoimproveskillinanytaskwithfeet.
Thesocksshouldbeusefultoathletesandweekendjoggers."Peoplethinkrunningissoeasyandofcourseeverybodycandoitbutnotnecessarilysafelyandwell,"DrDavideViganosaid.Arecentstudyshowedthatbetween60and80percentofrunnersgothurtperyear.Thisisprettymuchmorethananyotherhumanactivity.Researcherssaythetechnologycanalsobedevelopedtoteachpeoplehowtodance,playsportssuchasgolf,oreventohelptoteachwomentowalkbetterinhighheels.
Mr.Viganosaid,“Peoplecouldallbenefitfromtheidea.Wehavehadinterestfromallsort
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 四川省 中学 春季 期中考试 英语试题 答案