2012届高考英语一轮复习-Unit-3-Travel-journal课堂作业-新人教版必修1VIP免费

Unit3TraveljournalⅠ.单项填空1．Notuntilthemotorbikelookedalmostnew________repairingandcleaningit.A．hestoppedB．didhestopC．stoppedheD．hedidstop2．Theyoungladyprefersdressingupforapartyto________byothers.A．benoticedB．beingnoticedC．havingbeennoticedD．havebeennoticed3．Hetrustsyou，soonlyyoucan________himtogiveupthatcrazyidea.A．temptB．persuadeC．adviseD．trytopersuade4．Withthatcalmand________expressionofhers，ouranxietyalmostdisappearedintotheair.A．confusingB．determinedC．opposingD．confused5．Hethinksonlyofhimself；hedoesn’t________otherpeople.A．careaboutB．careforC．careofD．careto6．Nomatterwhatyoudo，youmust________yourmind________it.A．put；toB．keep；onC．apply；onD．put；into7．Whatshallweuseforpowerwhenalltheoilintheworldhas________？A．givenoutB．putoutC．heldupD．usedup8．—________whenhasthecountrybeenopentointernationaltrade?—1978，Isuppose.A．SinceB．InC．FromD．After9．Saminsistedthathe________thelawand________.A．didn’tbreak；mustn’tbepunishedB．doesn’tbreak；shouldn’tpunishC．hadn’tbroken；benotpunishedD．hadn’tbroken；notbepunished10．WhatIneedis________bookthatcontains________ABCofoilpainting.A．a；/B．the；/C．the；anD．a；the11．—I’vegotacoughandmychesthurts.—________.Letmeexamineyou.A．Don’tmindB．Youshouldlearntoprotect用心爱心专心1yourselfC．TakeiteasyD．Keepcalm.Youwillrecoversoon12．Forests________andburnedatsuchaspeedthattheywilldisappearfromtheearthinthefuture.A．cutB．arecutC．arebeingcutD．hadbeencut13．Leaveyourkeywithaneighbor________youlockyourselfoutoneday.A．eversinceB．evenifC．soonafterD．incase14．—Isawnomorethanonemotorcarinthatshop.Willyougoandbuy________？—No，I’dratherbuy________inothershops.A．one；oneB．it；oneC．one；itD．it；it15．—Look！He’srunningsofast!—Hardto________hislegswereoncebroken.A．knowB．imagineC．realizeD．findⅡ.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.“Thatmeanswecan用心爱心专心2onlyobtainbrainsignalsindirectlyfromsensorsonthesurfaceofthehead，notwheretheyaregenerateddeepinthebrain.Asaresult，the...