新教材2021-2022北师大版英语必修第二册作业课件：UNIT 4 INFORMATION TECHNOLOGY WRITING WORKSHOP

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Unit4InformationTechnologyWritingWorkshop—ReadingClub21．TheMovieNightatthemuseumbringsyouclassicmoviesinaclassic____________(locate)．3．HelloKitty,oneofthemostfamous____________(imagine)charactersintheworld,greetsuseverywhere.5．Withknowledgeandgoodhumour,healwaysmakeshisclasscome____________(live)．PartⅠVocabulary&Grammar9．ComparedwithiPhone5,thelatestmodelwaseasy____________(carry)．Topreserveitsconstruction,thePotalaPalace____________________________________alimitednumberoftouristseveryday.4．和那些与你有共同之处的人交朋友。(incommon)6．他作了一系列关于现代艺术的讲座，这受到了热烈欢迎。(series)8．最近，针对中学生的阅读兴趣差异，做了一项调查。(findout)[湖南五市十校教研教改共同体2019高一联考]AsscientistsintheNetherlandstriedtofigureouthowtobuildasuperflyingrobot,theylearnedfromoneofnature'sflyers:ahumblefruitfly.Andbybuildingthisrobot,they'vegainednewunderstandingofhowtheflycarriesoutoneofitsdangeroustasks.
TherobotiscalledtheDelFlyNimble.Itswingspan(翼展)isaboutafootwide.Ithasfourwingsthatcanbeatat17timespersecond,whichappearverydelicatebecausethey'remadeofthesamematerialasspaceblankets.
Inthepreviousdesigns,theyalwayshadatail,likeatraditionalairplanetail,saidtherobot'smaindesignerMatejKarasek.He'sbasedattheMicroAirVehicleLaboratoryatDelftUniversityofTechnologyintheNetherlands,andheandhiscolleaguespublishedtheirfindingsonThursdayinScience.
“Inthepreviousgenerations，”hesaid,“flappingwingsdrovetherobotforwardwhilethetailhelpedtoguideandstabilise(稳定)it．ButnowtheDelFlyNimbleiscompletelycontrolledbythewings.”“Thechallengethenwasactuallycombiningthecontrolintothewingmovement,andthat'swhatweachieved，”Karaseksaid.
“Inthelatestgeneration,thewingscaneachmoveindividuallyorrotate(旋转)aroundthebodyoftherobot.Therobotcanremaininoneplaceintheairforaboutfiveminutesonafullbatteryorflyformorethanakilometre，”Karaseksaid,“andbecausethescientistsarecontrollingallthemovements,theycanusetherobottolearnmoreabouthowfruitfliesactuallycarryouttheirdangeroustasks,whichhascaughttheattentionofbiologists.”1．Wheredidscientistsgetthecreativeideaoftheflyingrobot?
A．Fromafruitfly.B．Fromt