UNIT1Today’ssciencefictionistomorrow’ssciencefact.--IsaacAsimovSatisfactionGuaranteedLearningobjectivesTolearnaboutthetypeandusageofarobot.0102Tofindoutthecharactersmentionedinthestoryandthentellwhotheyarebyscanningthepassage.03TograspwhatTonydidtohelpClaireandhowClaire’semotiondevelopedduringTony’sstayatherhouse.LeadinWhatarethey?robotsTherearemanytypesofrobots.industrialrobotsrepetitive,orboringtasksentertainmentrobotshouseholdrobotsserveusCharactersWhoarethey?LarryBelmontClaireTonyGladysClaffernworkedforacompanythatmakesrobotsLarry’swife,ahousewifeahouseholdrobottobetestedoutawomanthatClaireenviesReadthepassagequicklyandfindoutthecharactersmentionedinthestoryandthentellwhotheyareanddrawtheirrelationshipFastreadingClaireLarryBelmontTonycoupletotestoutmadeGladys

ClaffernawomanthatClaireenviesarobotLarryBelmont’swife,housewifeRelationshipOccasionsClaire…

Beforehearrived

WhenheofferedtohelpherdressWhenheofferedtohelpherimproveherhouseandherselfWhenhearriveddislikedhimwasalarmedfeltembarrassedadmiredhim1234Claire’s

feelings

towards

Tony

changed

as

the

story

developed.

Review

the

story,

and

then

complete

the

chart.carefulreadingOccasionsClaire…

Whenhespoketothesaleswoman

andher

attitudechangedWhenherconversationwithTonywasdiscoveredbyGladysClaffernWhenClairegothome,feelingGladyswassoadmirableWhenshefelloffaladderandcaughtbyTony

calledhimadearfelthiswarmthfeltbeingenviedcriedallnight56781.Thetextmainlytellsus______A.therobot'sfacialexpressioncouldn'tchangelikepeopleB.therobotcoulddoeverythingthatmancandoC.anexperimenttestedoutbythehouseholdrobotTonyD.anexperimentwhereahouseholdrobotwastestedout2.WhatdoesLarryBelmontthinkoftestingouttherobotinhishouse?A.Itisanextrabenefit.

B.Itishisresponsibility.C.Ithelpsimprovehishouse. D.ItcanmakeClairehappy.Readthepassageagainandchoosethebestanswer.3.WhichofthefollowingisNOTTony'scharacteristic?A.Clumsy.B.Handsome.C.Helpful.D.Smart.4.WhydoesTonyworkonthehouseimprovement?A.BecauseClairewantstoholdapartyinherhouse.B.BecauseClaireplanstogiveLarryasurprise.C.BecauseClairedoesn’tthinkitgoodenoughforLarry.D.BecauseClaireintendstomakethebestofTony.Whatrelationshipdoyouthinkwilldevelopbetweenhumansandrobotsinthefuture?Summary

Whatwehavelearnedfromthisclass?Today’ssciencefictionistomorrow’ssciencefact.ThetrafficsignalsalongFactoriaBoulevardinBellevue,Washington,generallydon'tflashthesamelengthofgreentwiceinarow,especiallyatrushhour.At9:30am,thefullred/yellow/greensignalcyclemightbe140seconds.By9:33am,aburstofadditionaltrafficmightpushitto145seconds.Lesstrafficat9:37amcouldpushitdownto135.Justlikethetrafficitself,thetimingofthesignalschanges.Thatisbydesign.Bellevue,afast-growingcityjusteastofSeattle,usesasystemthatisgainingpopularityaroundtheUS:intersection(十字路口)signalsthatcanadjustinrealtimetotrafficconditions.Theselights,knownasadaptivesignals,haveledtosignificantdeclinesinboththetroubleandcostoftravelsbetweenworkandhome.“Adaptivesignalscanmakesurethatthetrafficdemandthatisthereisbeingaddressed,”saysAlexStevanovic,aresearcheratFloridaAtlanticUniversity.ForallofBellevue’ssuccess,adaptivesignalsarenotacure-allforjammedroadways.KevinBalke,aresearchengineerattheTexasA&MUniversityTransportationInstitute,saysthatwhilesmartlightscanbeparticularlybeneficialforsomecities,othersaresojammedthatonlyasharpreductioninthenumberofcarsontheroadwillmakeameaningfuldifference.“It’snotgoingtofixeverything,butadaptivesignalshavesomebenefitsforsmallercities,”hesays.InBellevue,theswitchtoadaptivesignalshasbeenalessoninthevalueofwelcomingnewapproaches.Inthepast,therewasoftenanautomaticreactiontoincreasedtraffic:justwidentheroads,saysMarkPoch,theBellevueTransportationDepartment’strafficengineeringmanager.Nowhehopesthatothercitieswillconsidermakingtheirstreetsrunsmarterinsteadofjustmakingthembigger.【1】Whatdoestheunderlinedword“that”inparagraph2referto?A.Increasedlengthofgreenlights. B.Shortenedtrafficsignalcycle.C.Flexibletimingoftrafficsignals. D.Smoothtrafficflowontheroad.【2】WhatdoesKevinBalkesayaboutadaptivesignals?A.Theyworkbetteronbroadroads.B.Theyshouldbeusedinothercities.C.Theyhavegreatlyreducedtrafficontheroad.D.Theyareless