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1、第1頁(yè)(共9頁(yè))Passage1Nuclearpower’s(核能的)dangertohealthsafetyevenlifeitselfcanbedescribedinonewd:radiation(輻射).Nuclearradiationhasacertainmysteryaboutitpartlybecauseitcannotbedetected(探測(cè))byhumansenses.Itcan’tbeseenheardtouched
2、tastedeventhoughitmaybeallaroundus.Thereareotherthingslikethat.Fexampleradiowavesareallaroundusbutwecan’tdetectthemsensethemwithoutaradioreceiver.Similarlywecan’tsenseradioactivitywithoutaradiationdetect.Butunlikecommonr
3、adiowavesnuclearradiationisnotharmlesstohumanbeingsotherlivingthings.Atveryhighlevelsradiationcankillananimalhumanbeingoutrightbykillingmassesofcells(細(xì)胞)inimptantgans(器官).Buteventhelowestlevelscandoseriousdamage.Thereisn
4、olevelofradiationthatiscompletelysafe.Iftheradiationdoesnothitanythingimptantthedamagemaynotbesignificant.Thisisthecasewhenonlyafewcellsarehitiftheyarekilledoutright.Yourbodywillreplacethedeadcellswithhealthyones.Butifth
5、efewcellsareonlydamagediftheyreproducethemselvesyoumaybeintrouble.Theyreproducethemselvesinanunusualway.Theycangrowintocancer.Sometimesthisdoesnotshowupfmanyyears.Thisisanotherreasonfsomeofthemysteryaboutnuclearradiation
6、.Seriousdamagecanbedonewithouttheknowledgeofthepersonatthetimethatdamagehasoccurred.Apersoncanbeirradiated(放射治療)feelfinethendieofcancerfivetentwentyyearslaterasaresult.achildcanbebnweakeasytogetseriousillnessasaresultofr
7、adiationabsbedbyitsgrparents.Radiationcanhurtus.Wemustknowthetruth.1Accdingtothepassagethedangerofnuclearpowerliesin________.A.nuclearmysteryB.radiationdetectionC.radiationlevelD.nuclearradiation2Radiationcanleadtoseriou
8、sresultsevenatthelowestlevel________.A.whenitkillsfewcellsB.ifitdamagesfewcellsC.thoughthedamagedcellscanrepairthemselves第3頁(yè)(共9頁(yè))kindofsuboceanvitality.ithasapsychology.Ithaspersonalities:sometimespeacefulpleasantonrareo
9、ccasionsroughwildalwaysitisstrongstriking.1UnlikerealinlseastheAtlanticOceanis________.A.alwaysenergeticB.lackinginlivelinessC.shapedlikeasquareD.favedbyancientpoets2Whatisthepurposeofusingthepoem"StmatSea"inthepassageA.
10、Todescribethemovementofthewaves.B.Toshowthestrengthofthestm.C.Torepresentthepoweroftheocean.D.Toprovethevastnessofthesea.3Whatdoestheunderlinedwd"symbiotic"meanA.Livingtogether.B.Growingfast.C.Movingharmoniously.D.Breath
11、ingpeacefully.4InthelastparagraphtheAtlanticiscomparedto________.A.abeautifulpoeticplaceB.afleshbloodpersonC.awonderfulwldD.alovelyanimalPassage3TheWinnersClubisabankaccountspeciallydesignedfteenagersIthasbeenmadetohelpy
12、oubettermanageyourmoneyTheWinnersClubisatransactionaccount(交易賬戶)whereyoureceiveakeycardsoyoucangettoyourmoney247—that’s24hoursaday7daysaweek!It’saclubwithimpressivefeaturesfteenagers:●Noaccountkeepingfees!You’renomillion
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