2012届高考英语专题复习精选资料集（一）.doc

《2012届高考英语专题复习精选资料集（一）.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、2012届高考英语专题复习精选资料集（一）(一)SchoolsofroboticfishcouldbesentintotheThamestoproducea3Dpollutionmapoftheriver.ResearchersattheUniversityofEssexinColchesterareworkingontheroboticfishaspartofa￡2.5millionEUfundedprojecttofindnewwaysofmonitoringwaterwaste.Eachfishwill

2、beabout50cmlong,15cmhighand12cmwide.Theywillbepackedwithpollutionsensors(传感器)thatcanelectronically“smell”harmfulchemicalsinthewater.Scientistshavedeveloped“swarm(群)intelligencetechniques”whichallowthefishtoworkasateamwithouthumans.Theroboticfishwillcommunic

3、atewitheachotherusingwifiastheyseekoutareasofpollution.TheyworkoutwheretheyarewithinbuiltGPSsystemsandartificialintelligencesoftwarewillenablethemtomovewithouttheneedforahumanoperator:theywillonlywarnstaffifareasofpollutionarefound.Afishthatfindspollutionse

4、ndsthedataofthelocationtoothers.“Eachschoolwillcontainfivefish,andtheywillconstantlymonitorforpollutants，”saidDr.DongbingGu,whoisleadingtheresearch.“Whentheyfindsomething,theywillsendamessagetotherestoftheschool,whowillthengatherintheareatotakereadings.”The

5、fishmovetheirbodiesupanddownlikewaves—drivenbymotors—andusefinsandatailtochangedirection.Itishopedtheywilltravelatspeedsofuptohalfametrepersecond.Workingmodelscouldbeavailablewithin18months.Differentsensorswillbefittedtohuntfordifferentpollutants.Thedatacou

6、ldbeusedtobuilda“realtime”3Dmapofareasofpollutioninthewater,allowingoperatorstodeterminethebestwaytocleanupthearea.Thefishwillinitiallybeusedinportstomonitorleaksfromlargeships,butDrGusaidthesamesystemcouldbeusedintheThames.Researchershopetheroboticfishwill

7、beabletospendupto24hoursinthewaterbeforeneedingtoberecharged.(　　)1.Thepurposeoftheroboticfishprojectisto________.A．findoutwhetherinbuiltGPSsystemsareusefulB．findnewwaystomonitorwaterwasteC．provethatroboticfishcanbesentintotheThamesD．testthespeedoftherobotic

8、fish(　　)2.Roboticfishcanfindharmfulpollutantsbyusing________.A．GPSsystemsB．a3DpollutionmapC．pollutionsensorsD．finsandatail(　　)3.Whenafishfindspollutants,itwill________.A．changedirectionimmediately-5-用心