巩固练习一、单项选择1.________fortherain,theconstructionworkwouldhavebeenfaster.A.IfitwerenotB.WereitnotC.HaditnotbeenD.Ifithasn’t2.Thepurposeoftheresearchhadamoreimportantmeaningforthemthan_______.A.oursB.thoseofoursC.ithadforoursD.itdidforus3.—Maryhadawonderfultimeattheparty.—_______,andsodidI.A.SoshehadB.SohadsheC.SoshedidD.Sodidshe4._______wemovethecouchoverthere.Don’tyouthinktheroomwilllooklarger?A.WhataboutB.WhatifC.HowfarD.Howcome5.Johnplaysfootball_______,ifnotbetterthan,David.A.sowellB.sowellasC.aswellD.aswellas6.Areyoufreetonight?______,I'dlikeyoutomeetTom,mynewfriendfromtheStates.A.EvensoB.WhennecessaryC.IfnotD.Ifso7.“Sorry,sorry...,”hewhispered,_____talkingtohimself.A.whileB.evenifC.asifD.when8.Notasingleworddidhesaywhen________abouthisstep-mother.A.beingaskedB.askedC.askingD.wasasked9.—Itlooksasifastormiscomingup.—Yes,_______.A.itcertainlydoesB.itcertainlyisC.itlookssoD.it’scoming二、完形填空Therewasonceabridgeoverariver.Atcertaintimeseachday,atrainwouldcomealongandthebridgewouldbeturnedsidewaysacrossthefiver,__1__thetraintocrossit.Aswitchmaninasmallroomononeside__2__thecontrolstoturnthebridgeandlockitintoplacebeforeatraincrossedit.One_3___,ashewaswaitingforthelasttraintocome,helooked__4__intothe—Landcaughtsightofthetrainlights.Hesteppedtothecontrolsandstartedtoturnthebridgeinto__5__;however,tohishorror,hefoundthelockingcontroldidnot__6__.Thebridgewobbled(摇摆)backandfor¨1attheends.__7__thetraincameontothebridge,itwould__8__thetrackandfallintothefiver.Thatwasapassengertrain.He__9__acrossthebridgetotheothersidewheretherewasalever(控制杆)hecouldoperatebyhand.Afterthathetookholdofit__10_,lockingthebridge.Many__11__dependedonhisstrength.Then,comingacrossthebridge,heheardasound,makinghisbloodrun__12__.“Daddy,whereareyou?”Hisfour-year-oldsonwascrossingthebridgeto__13__him.Hisfirstthoughtwastocryouttohim,“__14__!”Butthetrainwastoo__15__;thetinylegswouldnevermakehimacrossthebridgeintime.Theman_16___lefthisleve...