专业外语习题册

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1、专业外语习题册（何乐芹编写）•词汇练习•长句翻译•课外知识河北工程大学理学院应用化学系2011.9一、词汇练习LThecomputersystemsuddenlywhilehewassearchingforinformationontheInternetA>brokedownB.brokeoutC.brokeupD>brokein2.Itwasverylatelastnightyandtomakeitworse,ourcarhada_ontherode.A.breakdownB・breakupC.breakthroughD>break-in3.Thebooktell

2、suswhatweshoulddosuchterriblethingsasrobbery,fire,etc.A.inchargeB.incaseofC.infrontofD.intouchwith4.Youmayrefertoyourdictionary_difficulty.A・inthecaseofB.incaseofC.inanycaseD・innocase5.1alwaystakesomethingtoreadwhenIgotothedoctort_IhavetowaitA.incaseB>sothatC.inorderD

3、Woodcan%seeyouuntil4o，clock・■一oh，_Iwon'twaitA.nodoubtB.afterallC.inthatcaseD.inthisway7.Itwasdifficulttoguesswhather_tothenewswouldbe.A>impressionB>reactionC.commentD.opinion8.Shebecamea_customerofthebookshop.A・continuousBeconstantC.contentD.consent9-Wemay_asquareasarectanglewithfoureq

4、ualsides.A.describeB・determineC.deviseD-define10.Thereistoomuchnoiseoutside，Ican%A.fillconnectmyattentiononmybook.C.flatD>concentrateD>nativeDeconvictionD>electronsD.SO2ILMrwangwasdeterminedtoremain_heneverstoodonhiswifeyssidenoronhismother'sside.A.naturalB-neutralC.nervous12.Usingther

5、ighthandtoshakehandsisa_A.conversationB.conventionC.conservation13、WhatareproducedwhenHC1covalentbondbreaks?A.neutralatomsB>moleculeC.ions14>TheconjugatebaseofHS"isA.H2SB.S2'C.NH4HS15>Whichofthefollowingstatementsaboutbaseisnottrue?A.tastebitterB.feelslipperyofsoapyC.reactwithoilsandgr

6、easeD・causelitmustochangecolorfrombluetored16、SolutionswithpHvaluesabove7aredefinedasA・neutralB.acidicC.basicD・solute11.Ifsthedutyofthepolicetothepublicorder.A.preventpresentC.preserveD-prepare18.Children，whoareover-protectedbytheirparents,maybecome•A.hurtB.damagedC.spoiledD.harmed19.W

7、hichisright?_A.LitmusisadyewhichhasaredcolorinbasicsolutionLitmusisadyewhichhasaredcolorblueinacidsolutionC・LitmuscanenableustodeterminewhetheragivensolutionisacidorbasicarecalledindicatorsD.Litmusalsocalledmethylorange20-Whiteteethareasharptoblackskin.A.containB.contractC-contentD-c