课时跟踪检测(二十九)　Global warming.doc

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1、课时跟踪检测(二十九)　Globalwarming一、语法填空Wehumansareactuallyverypowerfulmachines.ScientistsintheUnitedStates__1__(work)onatechnologythatuseshumanenergytopowerdevices(装置)likecellphonesandlaptopcomputerssincethistheorywascomeup__2__.ProfessorKrupenkinandhisteamhaveplacedadeviceinashoethatcollect

2、sandstoresenergyfromhumanmovementsandturnsitinto__3__(electrical)．Onepartofthisdeviceisanenergyharvester.Ithastwosmallcontainers__4__(fill)withthousandsofverysmalldropsofliquid.Thesedropletsgetpushedbackandforth__5__apersonwalks.Theseactuallydirectlychangeitintoelectricalpower.Thepro

3、fessorsayshedoesnotexpectthisinventiontoreplacetraditionalbatteries,__6__itwillhelpreducedependenceon__7__.Hethinksthetechnologywouldbeusefultopeopleinruralareas__8__thereisnoelectricalpower.Anditcouldbeusedbysoldierswhomustcarrybatterypoweredelectronicdevicesintodifficultterritory.C

4、apturinghumanenergytopowergloballypopularmobiledevicescouldbeboth__9__technologicalandbusinesssuccess.ProfessorKrupenkinexpectstohaveacommercialproduct__10__themarketwithinthenexttwoyears.1．________2.________3.________　4.________5．________6.________7.________　8.________9．________10._

5、_______二、阅读理解AAccordingtoastudy,theNortheastoftheUSisseeingmorefrequent“extremeprecipitation(降雨量)events”inlinewithglobalwarmingpredictions,includingstormslikethefiercerainswhosefloodwatersswallowedneighborhoodsandbusinessesacrossNewEngland.Thestudydoesnotlinktherecentpowerfulfloodsto

6、itsresearchbutexamined60yearsofNationalWeatherServicerainfallrecordsinnineNortheasternstatesandfoundthatstormsthatproduceaninchormoreofraininadayarecomingmorefrequently.Thestudy’sresultsareconsistentwithwhatcouldbeexpectedinaworldwarmedbygreenhousegases,saidProfessorCameronWakeoftheU

7、niversityofNewHampshire.Heacknowledgeditwouldtakemorestudiesbeforeitcouldbelinkedtoglobalwarming,though.Whatismorecertain,researcherssaid,isthepotentialeconomicimpact.Billionsofdollarsisrequiredforinfrastructureimprovementstothingsintheregionincludingroads,bridges,andundergroundpipes

8、.Thestudyexa