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1、www.ks5u.com高三英语期中试卷注意事项：1．答题前在答题卡、答案纸上填写好自己的姓名、班级、考号等信息2．请将第I卷（选择题）答案用2B铅笔正确填写在答题卡上；请将第II卷（非选择题）答案黑色中性笔正确填写在答案纸上。第I卷（选择题100分）第一部分听力（共20题，每小题1.5分，共30分）第一节（共5小题；每小题1.5分，满分7.5分）听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的指定位置处。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。第二部分阅读理解（共两节，满分40分
2、）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。AAsfreeastheymakeus,mobilephonesstillneedtostayclosetoapowersource.Soonthatmaychangewith"green"power.ThreeChileanstudentsgottheideaforaplant-powereddevice(装置)tochargetheircellphones,whilesittingintheirschool'soutdoorcou
3、rtyardduringabreakfromexams,withdeadmobilephones.Then,oneofthemhadan"aha"moment.“ItoccurredtoCamilatosayaboutplants,"saidinventorEvelynAravena.“‘Whydon'tyouhaveasocket,iftherearesomanyplants?’Afterthat,wethought,‘whydon'ttheyhaveachargingoutlet?Becausetherearesomanyplantsandlivingthingsth
4、athavethepotentialtoproduceenergy,whynot?’”Theirinvention—asmallbiologicalcircuitcalledE-Kaia—usestheenergyplantstoproduceduringphotosynthesis(光合作用).Aplantusesonlyasmallpartofthatenergyandtherestgoesintothesoil,andthat'swheretheE-Kaiacollectsit.Thedeviceplugs-13-intothegroundandthenintoyo
5、urphone."It'sthemostamazingprojectI'veeverseeninmylife,plainandsimple.Theybroughtthisoriginalmodel,anditworked—andthat'swhenitallchanged,atleastfrommypersonalpointofviewandIbegantosupportthem."saidMauricioCifuentes.Thedevicesolvedtwoproblemsfortheengineeringstudents—theyneededanideaforacl
6、assproject,andanoutlettoplugintheirphones."Lookingforaplacetochargethenotebook,whichhadnopower,andthemobilephones,weweren'tabletofindanythingbecausealltheotherstudentswereinthesamestateofmadnesstryingtofindaplacetochargetheirdevices,"saidAravena.Butplantsareeverywhere,andthebio－circuitmak
7、esthebestoftheirexcess(过多的)power.TheE-Kaiadoesn'tcarrymuchchargebutit'spowerfulenoughtocompletelyrechargeamobilephoneinlessthantwohours.Thestudentinventorshaveappliedforpatentsontheirtechnology,andexpecttheE-KaiatogoonsaleinDecember2016.21.Howcouldthestudentsgetthe"
