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1、Unit2RobotsⅠ.阅读理解(2017·海南省海口市第一中学月考)Whydohumanbeingsstillrisktheirlivesundergroundanddoingoneofthedirtiestandmostdangerousjobsintheworld?Itisanincreasinglyurgentquestion,giventherecentminingaccidentsinSago,W.VaandHuntington,Utah.Asmallgroupofengineersandroboticsexpe
2、rtslookforwardtoadayinthenottoodistantfuturewhenrobotsandothertechnologydomostofthedangerousminingwork.Robotictechnology,inparticular,holdsmuchpromise,McAteersays,especiallywhenitcomestomappingminesandrescuingtrappedminers—thespecialoperationsoftheminingindustry.One
3、ofthefirstminingrobotswasdevelopedfiveyearsagoatCarnegieMellonUniversity'sRoboticsInstitute.ItwascalledGroundhog.Itusedlasers(激光器)to“see”indarktunnelsandmapabandonedmines—someofthemostdangerousworkinthebusiness.ThelatestdesigniscalledCaveCrawler.It'sabitsmallerthanG
4、roundhog,andevenmoreadvanced.Itcantakephotosandvideosandhasmoresensorsthatcandetectthepresenceofdangerousgases.Incredibly,therobothasarealsenseoflogic.Ifitcomesacrossanobstacleitgetsmomentarilyconfused.Ithastothinkaboutwhattodoandwheretogonext.Sometimesitthrows_a_fi
5、tjustlikearealperson.Thegreatestproblem,though,iscost.Themoneyoftheearliestresearchprojectwasprovidedbythegovernment,butthatmoneyhaddriedup,andit'snotclearwherefuturemoneywillcomefrom.Partlyforthatreason,andpartlybecauseofadvancesinsafety,miningisnotnearlyasdangerou
6、sasitwasinthepast.Since1990,fatalities(致命性)havedeclinedby67%andinjuriesby51%,accordingtotheNationalMiningAssociation.Someexpertspredictthatrobotsinmineswillservemuchofthesamefunctionthattheydointheautomotiveindustry.Therobotsdothemostboringanddangerousjobs,butwon'tg
7、etridoftheneedforhumanworkers.1.ThelatestrobotismoreadvancedthanGroundhog,mainlybecause________.A.itcanmapabandonedminesB.ithasarealsenseoflogicC.itcanseeinthedarktunnelsD.it'ssmallerthanGroundhog2.Theunderlinedphrase“throwsafit”inparagraph4probablymeans“________”.A
8、.getssickB.getsangryC.becomeshungryD.becomescheerful3.Wecaninferfromthelastparagraphthat________.A.theminerobotswillhaveaverybrightfutureB