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1、课时作业(三十二) [选修7 Unit2 Robots](限时：45分钟) Ⅰ.语法填空Doyouknowaboutfirefighters?Oneofthegreatestheartbreaksforfirefightersoccurswhentheyfailtorescueachildfromaburningbuilding1.________thechild,frightenedbysmokeandnoise,hidesunderabedorinaclosetandis
2、laterfound2.________(die)．Saddestofalliswhenchildrencatch3.________glimpseofthemaskedfirefighterbuthidebecausetheythinktheyhaveseenamonster(怪物).Topreventsuchtragedies,firefighterEricVelezgivestalkstochildreninhiscommunity,explainingthat4.________shouldneverh
3、ideduringafire.Hedisplaysfirefighters'equipment,includingtheoxygenmask,5.________heencourageshisaudiencetoplaywithandputon,“Ifyouseeus，”Veleztellsthem,“don'thide!Wehavecometorescueyou.”Velezgiveshispresentations(作口头报告)6.________EnglishandSpanish.Velezand7.__
4、______firefightersthroughoutNorthAmerica,whogivesimilarpresentations,willneverknowhowmanylivestheysavethroughtheirtalks.Butitisafactthatinformativespeaking8.________(save)manylives.Forexample,onedayPeteGentry'sbrotherwaschokingonsomefood.9.________(fortune),
5、hewasrescuedbyPeteGentryusingthemethod10.________(teach)byastudentspeaker,JulieParis.ItwasjustseveralmonthsafterhelistenedtoaninformativespeechinNorthCarolina.Ⅱ.阅读理解AWASHINGTON—It'sagreatachievementthatinspiresnotions(观念)ofrobotswithconsciousnessandindepende
6、ntminds.Whenpeopleoranimalsgethurt,theycanusuallycompensateforminorinjuriesandkeeplimpingalong,butforrobots,evenslightdamagecanmakethemstumbleandfall.However,arecentlymaderobothasdemonstratedanovelability:itcanhealitsowndamage.Thenewrobot,whichlookslikeaspla
7、ylegged(弓形腿的),fourfootedstarfish,cansenseinjurytoitselfandadapt.Thatabilitysetsthenewrobotapartfromearliermachines.Becausetherobotcanrecoverfromunfamiliarplaces.“Thereisaneedforplanetaryroboticrovers(行星机器探测车)tobeabletofixthingsontheirown，”saysJoshBongard,apr
8、ofessorintheUniversityofVermont,whoisoneofthedevice'screators.“Robotsonotherplanetsmustbeabletocontinuetheirmissionwithouthumanhelpiftheyaredamagedandcannotcommunicatetheirproblembacktoearth.”At
