TB1Unit2GrowingpainsⅠ.单项填空1．Notuntilthemotorbikelookedalmostnew________repairingandcleaningit.A．hestoppedB．didhestopC．stoppedheD．hedidstop2．He________tousthattheoutsideoftheearthismadeofanumberofdifferentplanets.A．toldB．explainedC．promisedD．apologized3．Heissuchamanwhoisalways________faultwithotherpeople.A．puttingB．seekingC．findingD．lookingfor4．Seeingthehappy________ofchildrenplayinginthepark，I’moverjoyedandsureofthefutureofourcountry.A．sightB．viewC．sceneD．sign5．Manyoccasions—birthdays，awards，graduations—________withflowers.A．ismarkedB．aremarkedC．havemarkedD．hadmarked6．Themaninsisted________ataxiformeeventhoughItoldhimIlivednearby.A．findB．tofindC．onfindingD．infinding7．Thestudentsareforbidden，unlesstheyhavespecialpasses，________after11p．m..A．tostayoutB．ofstayingoutC．stayingoutD．nottostayout8．IwouldgiveeverythingifIcould________themunhappiness.A．giveB．spareC．takeD．bring9．Hissuggestion________toseetheartexhibitioninterestedeveryoneofus.A．thatwegoB．whichweshouldgoC．thatwewouldgoD．weshouldgo10．LastsummerItookacourseon________poisonousgases.A．howtodealwithB．whattodealwithC．howtobedealtwithD．whattobedealtwith11．Hewas________tobeamusician，buthebecamealawyer.A．thoughtB．saidC．consideredD．supposed12．IwassoangryandIjustdidn’t________lookingforanotherjob.A．wantB．planC．feellikeD．tend13．________you’vegotachance，youmightaswellmakefulluseofit.A．NowthatB．AfterC．AlthoughD．Assoonas14．________productionupby60%，thecompanyhashadanotherexcellentyear.A．AsB．ForC．WithD．Through15．Whowouldyouliketohave________withyou?A．togoB．goingC．goD．wentⅡ.阅读理解Scientistshavecreatedawaytocontrolarobotwithsignalsfromhumanbrain.Bygeneratingtheproperbrainwaves—pickedupbyacapwithelectrodes(电极)thatsensethesignalsandreflectaperson’sinstructions—scientistscaninstructahumanoid(类人的)robottomovetospecificlocationsandpickupcertainobjects.Thecommandsarelimitedtomovingforward，pickinguponeoftwoobjectsandbringingittooneoftwolocations.Theresearchershaveachieved94percentaccuracybetweenthethoughtcommandsandtherobot’smovements.“Thisisreallyaproofofconceptdemonstration”，saidRajeshRao，aresearcherfromtheUniversityofWashingtonwholeadstheproject.“Itsuggeststhatonedaywemightbeabletousesemiautonomousrobotsforsuchjobsashelpingdisabledpeopleorperformingroutinetasksinaperson’shome.”Thepersonwearingtheelectrodecapwatchestherobot’smovementsonacomputerscreenthroughtwocamerasinstalledonandabovetherobot.Whentherobot’scamerasseetheobjectsthataretobepickeduptheypassontheinformationtotheuser’scomputerscreen.Eachobjectlightsuprandomlyonthecomputerscreen.Whenapersonwantssomethingpickedupandithappenstolightup，thebrainregisterssurpriseandsendsthisbrainactivitytothecomputerandthentotherobot.Therobotthenproceedstopickuptheobject.Asimilaralgorithm(计算程序)isusedtodecidewheretherobotwillgo.“Oneoftheimportantthingsaboutthisdemonstrationisthatwe’reusinga‘noisy’brainsignaltocontroltherobot”，Raosaid.“Thatmeanswecanonlyobtainbrainsignalsindirectlyfromsensorsonthesurfaceofthehead，notwheretheyaregenerateddeepinthebrain.Asaresult，theusercanonlygeneratehighlevelcommandssuchasindicatingwhichobjecttopickuporwhichlocationtogoto，andtherobotneedstobeautonomousenoughtobeabletoexecutesuchcommands.”Inthefuture，theresearchershopetomaketherobotsmor...
