理工C第二讲3版.docx
- 文档编号:29983335
- 上传时间:2023-08-04
- 格式:DOCX
- 页数:9
- 大小:20.91KB
理工C第二讲3版.docx
《理工C第二讲3版.docx》由会员分享,可在线阅读,更多相关《理工C第二讲3版.docx(9页珍藏版)》请在冰豆网上搜索。
理工C第二讲3版
1、CallingforSafeCelebrationsThisFourthofJuly
LastFourthofJuly,Pete,a14-year-oldboy,wasenjoyingthelit-upskiesandloudboomsfromthefireworksbeingsetoff1inhisneighborhood.Suddenly,theeveningtookaterribleturn2.Abottlerocketshotintohiseye,immediatelycausinghimterriblepain.Hisfamilyrushedhimtotheemergencyroomfortreatment.Asaresultoftheinjury,Petedevelopedglaucomaandcataracts.Today,Petehaspermanentvisionlossinhisinjuredeyebecauseofhisbottlerocketinjury.JuneisFireworksEyeSafetyAwarenessMonth,andthroughitsEyeSmartcampaigntheAmericanAcademyofOphthalmologywantstoremindconsumerstoleavefireworkstoprofessionals."ThereisnothingworsethanaFourthofJulycelebrationruinedbysomeonebeinghitintheeyewithabottlerocket,"saidDr.JohnC.Hagan,clinicalcorrespondentfortheAcademyandanophthalmologistatDiscoverVisionCentersinKansasCity."Asafecelebrationmeanslettingtrainedprofessionalshandlefireworkswhileyouenjoytheshow."AccordingtotheU.S.ConsumerProductSafetyCommission,morethan9,000fireworksrelatedinjurieshappeneachyear.Ofthese,nearlyhalfarehead-relatedinjuries,withnearly30percentoftheseinjuriestotheeye.One-fourthoffireworkseyeinjuriesresultin3permanentvisionlossorblindness.Childrenarethemostcommonvictimsoffireworkabuse,withthosefifteenyearsoldoryoungeraccountingfor450percentoffireworkseyeinjuriesintheUnitedStates.Dr.Haganestimatesthathispracticeseesmorethan30injurieseachyearfromfireworks.Evenfireworksthatmanypeopleconsidersaferepresentathreattotheeyes.Forchildrenundertheageoffive,apparentlyharmlesssparklersaccountforone-thirdofallfireworksinjuries.Sparklerscanbumatnearly2,000degreesFahrenheit.词汇:
Fireworksn.烟火professionaln.专业人员Glaucoma凡.青光眼abusen.伤害Cataractn.白内障sparklern.花炮ophthalmologyn.眼科学Fahrenheitn.华氏注释:
1.setoff:
点燃2.tookaterribleturn:
发生恶转3.resultin:
导致4.accountingfor:
(指数量)占..
练习:
1.WhathappenedtoPetelastFourthofJuly?
A:
Hewasburnedinahousefire.
B:
Hewascaughtinarain.
C:
Hewasinjuredinafight.
D:
Hewashitintheeye.
答案:
D
解析:
D短文的第一段讲到,去年七月四日,Pete在观看国庆焰火燃放时不幸被击中眼睛。
2、TheAmericanAcademyofOphthalmologycallsonconsumersto_______.
A:
celebratetheFourthofJulywithfireworks.
B:
leavefireworkstoprofessionalsintheircelebrations.
C:
stopcelebratingtheFourthofJulyaltogether.
D:
setofffireworkstogetherwithtrainedprofessionals.
答案:
B
解析:
B短文的第二段讲到,美国眼科学会呼吁人们在庆祝国庆时最好让专业人员去放烟火,而自己只作观赏者。
3、HowmanyfireworkseyeinjuriesoccurintheUSeachyear?
A:
About9,000.
B:
About4,500.
C:
About1,350.
D:
About30.
答案:
C
解析:
C短文的第三段讲到,在美国,每年发生9,000多起有烟火导致的伤害,其中有一半是头部伤,而在这一半头部伤中,又有三分之一是眼伤。
4、FireworkseyeinjuriescanresultineachofthefollowingEXCEPT_______.
A:
blindness.
B:
permanentvisionloss.
C:
glaucomaandcataracts.
D:
head-relatedinjuries.
答案:
D
解析:
D前面三项危害短文都分别提到过,而head—relatedinjuries包含fireworkseyeinjuries,而不是由其导致的。
5、WhichisNOTtrueofsparklers?
A:
Theyareharmlesstochildren.
B:
Theyareconsideredsafebymanypeople.
C:
Theyareathreattotheeyes.
D:
Theycanburnatveryhighdegrees.
答案:
A
解析:
A短文最后一段说到,sparklers在许多人看来是安全的,但其实对于小于5岁的孩子来说,但其所有烟花造成的伤害的三分之一都是由sparklers导致的。
显然,它们不是没有危害的。
6、UrbanRainforest
OnthewestsideoftheislandofManhattaninNewY0rkCity,treebytree,leafbyleaf,a2,500squarefootsectoroftheCentralAfricanRepublic’sDzangaNdokiRainforesthasbeentransportedto,orrecreatedat,theAmericanMuseumofNaturalHistory’snewhallofbiodiversity.WhenthehallopensthisMay,visitorswillvisitoneoftheworld’sbiggestandmostaccuratereproductionofoneofnature’smostthreatenedcreations.TobringtherainforesttoNewY0rk.ateamofnearlytwodozenscientists—thelargestcollectingexpeditionthemuseumhaseverorganizedforanexhibit—spentfiveweeksintheAfricanrainforestcollectingsoil,plants,andleaves;recordinganddocumentingspecies;studyingtrees;shootingvideotapeandstillphotos;andinterviewinglocalpeople.“Thisareahasbeenexploredverylittle,”saysHoelCracraftwhoestimatesthatthemuseumwilleventuallycollect150to180mammals,morethan300speciesofbirds,hundredsofbutterflies,andhundredsofthousands,ifnot111illions,oforganisms.Theexhibitionmayevenhaveproducedaspecialprize-scientistssuspecttheyhaveuncoveredseveralnewspecies.Togivetheforestasenseofrealness,thebackwalloftheexhibitisanenormousvideoscreen,soundswillcomeoutfromhiddenspeakers.andplansevencallforforestsmells.Computercontrolswillvarytheeffectssothatnotwowalkthroughswilleverbeexactlythesame.AftertheteamreturnedtoNewYork.theforestwasreproducedwiththehelpofthecomputerComputerModellingprogrammesplotteddistancesandspecialrelationships.Artistsstudiedphotosandbroughtwhattheysawto1ife.Plastertreesweremade.Recreatedanimalsbegantostandintherainforestofthehall.Flyingcreatureswillhangfromtheceiling.The1ightintheforest—oneoftheexhibit’scleverestre-creations—willseemreal.Longtube1ightswillhavethecorrectcolourandtemperaturetoproduceanaturaleffect.Theplantsandanimalsexhibitedthroughoutthehallexistnaturallyinaperfectbalance—removeone.andthewholeisimperfectifnotendangered.Theexhibitisprooftothehopethattheworld’srainforestswillneverexistsolelyasacarefullypreservedartifact.
词汇:
biodiversityn.生物多样性documentv.纪实性地描述mammaln.哺乳类动物organismn.微生物walkthroughn.开拍前的排练,预排plotv.为……设定plastern.熟石膏artifactn.人工制品
Whatisthispassagemainlyabout?
A:
ThehistoryoftheAmericanMuseumofNaturalHistory.
B:
ThereproductionoftherainforestataNewYorkmuseum.
C:
Visitors’interestintherainforestreproductionataNewYorkmuseum
D:
SavingrainforestsintheCentralAfricanRepublic.
答案:
B
解析:
B通篇文章谈的是把中非共和国的雨林重现于位于纽约的一个博物馆中。
这就是本文的主旨。
7、HowdidthemuseumcollectthedataintheCentralAfricanRepublic?
A:
Itsentalargeteamofscientiststhere.
B:
ItcooperatedwithmanyAfricanscientists.
C:
Itrecruitedlocalpeopletocollectmammals,etc..
D:
Itsentcameramentoshootvideotapes.
答案:
A
解析:
A第二段第一句就说博物馆组织了20余位科学家到中非共和国实地考察与收集资料。
选项B、C、D都与上述说法不符。
8、Togivetheforestasenseofrealness.allthefollowingareusedEXCEPTthat
A:
hiddenloudspeakersareusedtoproduceforestsound.
B:
ahugevideoscreenisputuponthebackwall.
C:
specialequipmentisemployedtoproduceforestsmells.
D:
theforestissurroundedbyfrontandbackwalls
答案:
D
解析:
D第三段提到选项A、B、C分别列出的声、像、味,但选项D没有提到。
所以选项D是答案。
9、Whatisthemainthemeofthelastparagraph?
A:
Thelayoutoftherainforestexhibition.
B:
Thebalancebetweenanimalsandplants.
C:
Thecleverdesignoflighting.
D:
Preservationoftherainforestexhibitionasanartifact
答案:
A
解析:
A第四段具体提到展品的距离、相互关系、动植物制作、灯光等问题,所以本段是涉及展览的设计、布局,选项A是正确的。
10、Whatdoesthelastsentenceofthepassagemostprobablymean?
A:
TherainforestintheCentralAfricanRepublicwillbepreservedforever.
B:
Thewell-designedexhibitwillbepreservedasanartifact.
C:
Theexhibitreflectsthehopethatnaturalrainforestswillbewellpreserved
D:
Theexhibitoftherainforestinthemuseumisthesoleoneintheworld.
答案:
C
解析:
C最后一句点出了在博物馆展出雨林的目的,希望自然界的雨林不会消失。
这个雨林展览也就不会成为自然界雨林惟一的存在形式。
C是最接近原意的选项。
11、第3篇
Poolwatch
Swimmerscandrowninbusyswimmingpoolswhenlifeguardsfailstonoticethattheyareintrouble.TheRoyalSocietyforthePreventionofAccidentssaysthatonaverage15peopledrowninBritishpoolseachyear,butmanymoresuffermajorinjuryaftergettingintodifficulties.NowaFrenchcompanyhasdevelopedanartificialintelligencesystemcalledPoseidonthatsoundsthealarmwhenitseessomeoneindangerofdrowning.Whenaswimmersinkstowardsthebottomofthepool,thenewsystemsendsanalarmsignaltoapoolsidemonitoringstationandalifeguard’spaper.IntrialsatapoolinAncenis,nearNantes,itsavedalifewithinjustafewmonths,saysAlistairMcQuade,aspokesmanforitsmaker,PoseidonTechnologies.Poseidonkeepswatchthroughanetworkofunderwaterandoverheadvideocamera.AIsoftwareanalysestheimagestoworkoutswimmers’trajectories.Todothisreliably,ithastotellthedifferencebetweenaswimmerandtheshadowofsomeonebeingcastontothebottomorsideofthepool.“Theunderwaterenvironmentisaverydynamicone,withmanyshadowsandreflectionsdancingaround,”saysMcQuade.Thesoftwaredoesthisby“projecting”ashapeinitsfieldofviewontoanimageofthefarwallofthepool.Itdoesthesamewithanimagefromanothercameraviewingtheshapefromadifferentangle.Ifthetwoprojectionsareinthesameposition,theshapeisidentifiedasashadowandignored.Butiftheyaredifferent,theshapeisaswimmerandsothesystemfollowsitstrajectory.Topickoutpotentialdrowningvictims,anyoneinthewaterwhostartstodecendslowlyisaddedtothesoftware’s“pre-alert”list,saysMcQuade.Swimmerswhothenstayimmobileonthepoolbottomfor5secondsormoreareconsideredindangerofdrowning.Poseidondouble-checksthattheimagereallyisofaswimmer,notashadow,byseeingwhetheritobscuresthepool’sfloortexturewhenviewedfromoverhead.Ifso,italertsthelifeguard,showingtheswimmer’slocationonapoolsidescreen.Thefirstfull-scalePoseidonsystemwillbeofficiallyopenednextweekatapoolinHighWycombe,Buckinghamshire.OnemanwhoisimpressedwiththeideaisTravorBaylis,inventoroftheclockworkradio.Baylisrunsacompanythatinstallsswimmingpool–andhewasonceanunderwaterescapologistwithacircus.“Isayfullmarkstothemifthisworksandcansavelives,”hesays.Butheaddsthatanylocala
- 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:
- 理工 第二