高考英语快速阅读训练(2)

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1、高考英语快速阅读训练（2）(A)(Words:290;Time:5')Picturethescene:thebatteryonyourmobilephonehasrunout.Youcan'tmakeanycallsforhelpandnoonecancontactyou.Youareallalone-well,notquite.Justreachintoyourpocketandtakeoutapieceofsugar.Putitintothebattery,waitaminute,andyouarebackonthephone.ThankstoagroupofAmericansci

2、entists,thissituationcouldbecomereal.SwadeshChaudHuriandDerekLovleyhaveinventedthe"bacteriabattery"poweredbybacteriathateatssugarandturnsitintoelectricity."Thisisaspecialorganism,"Lovleysaid."Youcanharvestenoughelectricitytopoweracellphonebatteryforaboutfourhoursfromaspoonfulofsugar."Inthepast,b

3、acteriabatterieshavebeenexpensiveandlong-lasting.Butthisbatteryusesamoreefficientbacteriathatcanturn80percentofsugarintoelectricalenergy.Thisis30percentmorethansimilarbatteriescanmanage.Thebacteriabatterycouldbecomeassmallasahouseholdbattery.It'salsocheapandstable,assugarcanbetakenfromwasteandcr

4、ops.Butthesugartoelectricityprocessisslow.Itcouldtakeweeksforthebacteriatodigestacupofsugar.Anditproduces"greenhouse"gaseswhichpollutetheenvironment.Thescientistsunderstandthere'salotmoreworktodo."Itisstillyoung,"saidLovley."Wherewearenowiswheresolarpowerwas20or30yearsago."Buthebelievethebattery

5、couldbeusedinscientificequipmentatthebottomoftheocean.Otherideasincludeusingsugarinthebloodtorunmedicaldevicesinthehumanbody,andtakingsugarfromanimalwastetoprovideenergytopowerhomesinruralareas.1.Theunderlinedsentenceinthepassagemeans________.A.thisinventionstillhasmuchtobeimprovedB.we'veusedsol

6、arpowerfor20or30yearsC.solarpowerisoutofdateD.weproduceelectricityfromsugarinthesamewayasfromsolarpower2.Whichofthefollowingisalreadyafact?A.Thebacteriabatteryhasbeeninvented.B.Youmakecallswiththeelectricitymadefromsugarinaminute.C.Thebacteriabatteryhasbeenmadeassmallasahouseholdbattery.D.Thebac

7、teriabatteryhasbeenusedtorunmedicaldevicesinthehumanbody.3.Comparedwithnewbacteriabatteries,similarbatteriescanturn________percentofsugarintoelectricalenergy.A.80B.30C.50D.1004.Thewriterwritesthepassageto________.A.callonpeo