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1、课时作业（三十二）[选修7Unit2Robots]（限吋：45分钟）I.语法填空Doyouknowaboutfirefighters?Oneofthegreatestheartbreaksforfirefightersoccurswhentheyfailtorescueachildfromaburningbuilding1・thechild,frightenedbysmokeandnoise,hidesunderabedorinaclosetandislaterfound2.（die）・Saddest
2、ofalliswhenchildrencatch3.glimpseofthemaskedfirefighterbuthidebecausetheythinktheyhaveseenamonster（怪物）.Topreventsuchtragedies,firefighterEricVelezgivestalkstochildreninhiscommunity,explainingthat4.shouldneverhideduringafire.Hedisplaysfirefighters*equipm
3、ent,includingtheoxygenmask,5.heencourageshisaudiencetoplaywithandputon,“Ifyouseeus,nVeleztellsthem,"dorYthide!Wehavecometorescueyou."Velezgiveshispresentations（作口头报告）6.EnglishandSpanish.Velezand7.firefightersthroughoutNorthAmerica,whogivesimilarpresenta
4、tions,willneverknowhowmanylivestheysavethroughtheirtalks.Butitisafactthatinformativespeaking8.（save）manylives.Forexample,onedayPeteGentry'sbrotherwaschokingonsomefood.9.（fortune）,hewasrescuedbyPeteGentryusingthemethod10.（teach）byastudentspeaker,JuliePar
5、is.ItwasjustseveralmonthsafterhelistenedtoaninformativespeechinNorthCarolina.n•阅读理解AWASHINGTO-Nlt*sagreatachievementthatinspiresnotions（观念）ofrobotswithconsciousnessandindependentminds・Whenpeopleoranimalsgethurt,theycanusuallycompensateforminorinjuriesan
6、dkeeplimpingalong,butforrobots,evenslightdamagecanmakethemstumbleandfall.However,arecently-maderobothasdemonstratedanovelability:itcanhealitsowndamage.Thenewrobot,whichlookslikeasplay-legged（弓形腿的），four-footedstarfish,cansenseinjurytoitselfandadapt.Thata
7、bilitysetsthenewrobotapartfromearliermachines.Becausetherobotcanrecoverfromunfamiliarplaces.“Thereisaneedforplanetaryroboticrovers（行星机器探测车）tobeabletofixthingsontheirown,"saysJoshBongard,aprofessorintheUniversityofVermont,whoisoneofthedevice'screators.“R
8、obotsonotherplanetsmustbeabletocontinuetheirmissionwithouthumanhelpiftheyaredamagedandcannotcommunicatetheirproblembacktoearth."Atypicalrobotfunctionsaccordingtoacomputerprogram,butthenewrobotworksdifferently.First,sensorsinitsfo
