单元检测（二十）TrafficJam

Ⅰ.阅读理解

A

Nearlyeverydriverhasexperiencedthatfeelingofgreattiredness,whereitbeesalmostimpossibletostayawakeatthewheel.14-year-oldKatherineWuistooyoungtohaveexperiencedthissituationfirsthand.However,shenoticedhowdifficultitwasforherdadtoremainawakewhiledrivingbackfromtheirfamilyvacationsinFloridatotheirhomeinMaryland.Hermomhadtotalktoherdadalltheway.

“SoIcreatedatoolthatcanbeusedinsteadofmymomtalkingtomydadtomakesurehestaysawakeandissafe，”shesays.

Herinvention,“Driverspanion”，cannoticedriversleepinessandwarnthedriverifheorsheistootiredtobeontheroad.

Theuserwearsaheadset(耳机),whichsendsinformationaboutthedriversbrainwaves(脑电波)toatinyputer.Theputercanbeplacedinfrontofthedriver.Thesystemthengiveswarnings,ifneeded.Asthedriverbeessleepier,redcolorwillbeshowntowarnhimorher.Thedriverwillalsohearmessageswarninghimtogetofftheroad.Themachinecansay,“Youretired.Pleasetakeabreak.”

Aftersendingherinventiontothe2014DiscoveryEducation3MYoungScientistChallenge,WuwaschosenasafinalistandwasabletoworkwithDr.JesseMiller,whoisaproductdevelopmentspecialist.

“Hehelpedmeunderstandhowimportantitistomakesurethatmyinventionworkedforthepeoplewhowereusingitandthatitwasuser-friendly，”Wusays.

Asayoungscientist,Wuhassomeadviceforotherstudentsofherage:“Iwouldliketotellthemthattheyshouldchoosesomethingtheyreinterestedin.Sotheyllbewillingtospendmoretimeonitandenjoyworkingonitmore.Also,whentheresdifficulty,theyshouldjustcontinueworkinghardbecausetheyllgetoverit.”

语篇解读：本文是一篇说明文。一个美国女孩发明了一种防止疲劳驾驶的装置。

1．WhydidWusmothertalktoherdadalltheway?

A．Topreventanaccident.

B．Tohelphimfeelrelaxed.

C．Todiscusstheirvacations.

D．Tomakethetripenjoyable.

解析：选A推理判断题。由第一段