高中英语Unit1Greatscientists课时作业四新人教版必修5.docx
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高中英语Unit1Greatscientists课时作业四新人教版必修5.docx
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高中英语Unit1Greatscientists课时作业四新人教版必修5
Greatscientists课时作业(四)
I.完形填空
Tobeagoodteacher,youneedsomeofthegiftsofagoodactor:
youmustbeableto1theattentionandinterestofyourstudents,youmustbea2speaker,withagood,strong,3voicewhichisfullyunderyourcontrol;andyoumustbeableto4whatyouareteaching,inordertomakeitsmeaningclear.
5agoodteacher,andyouwillseethathedoesnotsitstill6hisclass:
hestandsthewholetimeheisteaching;hewalksabout,usinghis7,handsandfingerstohelphiminhisexplanation,andhisfacetoexpressfeeling.Listentohim,andyouwill8theloudness,thequalityandthemusicalnoteofhisvoicealwayschangingaccordingtowhatheis9aboutThefactthatagoodteacherhassomeofthegiftsofagoodactordoesn't10thathewillindeedbeabletoact11onthestage,forthereareveryimportant12betweentheteacher'sworkandtheactor's.Theactorhastospeakwordswhichhehaslearntbyheart;hehastorepeatexactlythe13wordseachtimeheplaysacertainpart,
14hismovementsandthewayinwhichheuseshisvoiceareusually15beforehand.Whathehastodoistomakeallthesecarefullylearntwordsandactionsseem16onthestage.
Agoodteacher17inquiteadifferentway.Hisstudentstakeanactivepartinhis18:
theyaskandanswerquestions,theyobeyorders,andiftheydon'tobeysomething,theywillsayno.Theteacherthereforehastosuithisacttotheneedsofthestudents.Hecannotlearnhispartbyheart,butmust19itashegoesalong.
Ihaveknownmanyteacherswhowerefine20inclassbutunabletotakepartinastageplaybecausetheirbrainswouldn'tkeepdiscipline(规定):
theycouldnotkeepstrictlytowhatanotherhadwritten.
1.A.payB.holdC.giveD.know
2.A.clearB.slowC.quickD.loud
3.A.frighteningB.fearingC.excitingD.pleasing
4.A.actB.talkC.sayD.repeat
5.A.ListenB.LookC.WatchD.Observe
6.A.forB.beforeC.behindD.with
7.A.tongueB.wordsC.legsD.arms
8.A.hearB.seeC.thinkD.guess
9.A.talkingB.thinkingC.hearingD.listening
10.A.tellB.expressC.showD.mean
11.A.seriouslyB.badlyC.wellD.actively
12.A.thingsB.differencesC.pointsD.jobs
13.A.differentB.sameC.aboveD.following
14.A.justB.neverC.everD.even
15.A.readB.knownC.fixedD.written
16.A.naturalB.realC.trueD.clear
17.A.isB.worksC.hasD.teaches
18.A.groupB.partyC.classD.play
19.A.inventB.discoverC.teachD.continue
20.A.speakersB.watchersC.actorsD.listeners
Ⅱ.阅读理解
A
OnceWilhelmK.Roentgenandseveralotherscientistswereexperimentingwithpassingelectriccurrentsthroughcertaingasesinaspecialglasstubefromwhichtheairhadbeentakenaway.ThenonedayRoentgennoticedthatthoughwhenthetubewascoveredwithblackpaper,somestrangekindsofradiationwascomingthroughandmakingascreennearbyglow.Roentgencouldnotseeanythingoutofthetube,butthenhediscoveredthatifheputthescreeninthenextroomontheothersideofthecloseddoor,theraysstillseemedtoaffectit.Theglowingscreenshowedthattherayscouldpassnotonlythroughtheblackpaperbutalsothroughwood.
Thenextthinghefoundoutwasthatifheputhishandsbetweentheraysandaphotographicplate(感光板),therayswouldprintashadowoftheboneframework(骨架)ofhishandsontheplate.Infact,therayscouldpassaseasilythroughthefleshypartofhishandasthroughtheblackpaper,buthardlyatallthroughthebone.SoRoentgenmadethefirstX-raypictureofahandshowingjusthowthebonesinthehandfittedtogether.
RoentgencalledthisunknownraysX-rays,butotherscientistscalledthemRoentgensraysinhonorofthemanwhofirstfoundthem.
21.RoentgendiscoveredX-rays________.
A.byworkinghard
B.bychance
C.bydoingexperimentafterexperiment
D.withthehelpofseveralotherscientists
22.Whatwasinthespecialglasstube?
A.Air.B.Nothing.
C.Nothingbutgases.D.Noneoftheabove.
23.WemayconcludethattheraysRoentgenfoundwere________.
A.dangerousB.invisible
C.colorfulD.poisonous
24.WhatcouldX-rayshardlypassthrough?
A.Wood.B.Glass.
C.Bones.D.Blackpaper.
B
Lookingbackonmychildhood,Irealizethatnaturalistsarebornandnotmade.Althoughwewereallbroughtupinthesameway,mybrothersandsisterssoongaveuptheirpressedflowersandinsects.Unlikethem,Ihadnoearformusicandlanguages.IwasnotanearlyreaderandIcouldnotdomentalarithmetic.
BeforeWorldWarIwespentoursummerholidaysinHungary.Ihaveonlytheunclearmemoryofthehousewelivedin,ofmyroomandmytoys.NordoIrecallclearlythelargefamilyofgrandparents,aunts,unclesandcousinswhogatherednextdoor.ButIdohaveaclearmemoryofthedogs,thefarmanimals,thelocalbirds,andaboveall,theinsects.
Iamanaturalist,notascientistIhaveastrongloveofthenaturalworldandmyeagernesshasledmeintovariedstudiesandresearch.Ilovediscussingmyfavoritetopicsandenjoyburningthemidnightoilwhilereadingaboutotherpeople'sobservationsanddiscoveries.Thensomethinghappensthatbringstheseobservationstogetherinmysensiblemind.Suddenlyyouimagineyouseetheanswertothepuzzlingquestion,becauseitallseemstofittogether.Thishasresultedinmypublishing300papersandbooks,whichsomemighthonorwiththetitleofscientificresearch.
Butcuriously,asharpeye,agoodmemoryandenjoymentoftheanimalandplantworldsdonotmakeascientist;oneofthebest-knownandimportantqualitiesrequiredisself-training,aqualityIlack.Ascientistrequiresnotonlyself-disciplinebuthardtraining,determinationandagoal.Ascientist,uptoapoint,canbemade.Anaturalistisborn.Ifyoucancombinethetwo,yougetthebestofboth.
25.Thefirstparagraphtellsustheauthor_______.
A.wasinterestedinflowersandinsectsinhischildhood
B.losthishearingwhenhewasachild
C.didn'tlikehisbrothersandsisters
D.wasborninanaturalist'sfamily
26.Theauthorcan'trememberhisrelativesclearlybecause________.
A.hedidn'tliveverylongwiththem
B.thefamilywasextremelylarge
C.hewastooyoungwhenhelivedwiththem
D.hewasfullybusywithobservingnature
27.Itcanbeinferredfromthepassagethattheauthorwas________.
A.ascientistaswellasanaturalist
B.anaturalistaswellasascientist
C.nomorethanabornnaturalist
D.firstofallascientist
28.Theauthorsaysthatheisanaturalistratherthanascientistprobablybecausehethinkshe
A.hasagreatdealoftroubledoingmentalarithmetic
B.lackssomeofthequalitiesrequiredofascientist
C.justreadsaboutotherpeople'sobservationsanddiscoveries
D.comesupwithanswersinamostnaturalway
C
Dr.HarveyGates,thenotedscientist,mightneverhavediscoveredtheKamronLizardinBlovia,ifithadnotbeenforachildhoodaccident.Asayoungsterhewasdeterminedtobecomeabaseballplayer,butwhenhebrokehisarminpracticeattheageoffourteenandwasforcedtostayofftheplayingfieldforawhile.Hetooknoticeofthenaturalworldaroundhimandlikedwhathesaw.
Afterthecasthadbeentakenoffhisarm,hecaughtasquirrelandraiseditasapet.Soonhewasbringinghomesnakesandothercreaturesfromthewoodsnearhisschool.
In1962,heenteredBlakefordCollegeandmajoredinbiology.By1966hehadreceivedhisBachelorofSciencedegreeandtwoyearslateratDrysdaleUniversity,hereceivedhisDoctorofSciencedegree.
ItwaswhilehewasdoingfieldresearchforhisdoctoraldissertationinSouthAmericain1967thathediscoveredandnamedtheKamronLizard.Thisreptilewasdistinguishedfromothersofitskindbythefactthatithadonlyfourtoesonitsfrontfeet.Inotherrespects,itwassimilartoothersofthesamefamily.Itcouldchangeitscolorandgoforlongperiodswithoutfood.
Dr.GatesreceivedhisappointmentasaprofessorattheUniversityofHuntsfordin1970.
29.Beforebreakinghisarm,Dr.Gates_______.
A.hadlittleinterestinbiology
B.begantoloseinterestinbiology
C.enjoyedbothbaseballandbiology
D.hadagrowinginterestinbiology
30.Dr.Gatesreceived________.
A.hisfirstdegreein1962
B.hisseconddegreein1966
C.hishighestdegreein1968
D.hisdoctor'sdegreein1970
31.Dr.GatesdiscoveredtheKamronLizard_____.
A.justafterhereceivedhisdoctor'sdegree
B.whilehewaspreparinghisdoctoraldissertation
C.atthetimehewasstudyingatBlakefordCollege
D.afterhegraduatedfromDrysdaleUniversity
32.WhichofthefollowingisNOTlistedascharacteristicoftheKamronLizard?
A.Itpossessesfourtoesonitsfrontfeet.
B.Itcanlivealongwhilewithouteating.
C.Itmaygoforweekswithoutdrinking.
D.Itiscapableofalteringitscolor.
延伸探究题
I.完形填空
Deareditor,
OnedaylastmonthafterIreceivedmysalary,Iwentshoppingwithmylittleson.1inthe补缺crowdedstore,Ihadmywalletstolen.Andmywholesalarywas2withit.
IwassoangrythatIalmostlost3ofmyself.What4Ido?
Wewerenotveryrich.Themoneywasreallynota5sum6myfamily,itwouldaffectourlifegreatly.HowcouldItellmywife?
Ifeltverysadandeven7forlosingthemoneywhenIgotbackhome.Tomake8formyunforgivablemistake,I9allmystrengthtogiveourhouseathoroughcleaningandthenpreparedawonderfulmealandcookedaspecialdishmywifelovedtopleaseher.
Whenshecamehome,I10asmileto11her.Shewassurpr
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