实用业务英语综合训练与自测

()()()()104(PracticalReading)(AppliedWriting)(CommunicativeSpeaking)()()ContentsUnit1.......................................................................................................1Unit2.....................................................................................................14Unit3.....................................................................................................26Unit4.....................................................................................................37Unit5.....................................................................................................47Unit6.....................................................................................................59Unit7.....................................................................................................72Unit8.....................................................................................................85Test1.....................................................................................................95Test2...................................................................................................103Test3...................................................................................................111Test4...................................................................................................120KeytoExercises...................................................................................128KeytoTests..........................................................................................151010–640545884800–810–0598100011–82028899’sunderstandingofthematerialandtoleadthereadertoconsiderfurtherdevelopmentofthebasicprinciples.ThematerialinChapters1−4andChapters6,7,10,and11hasbeenfoundtobesuitableforaone-termcourseforundergraduatecomputersciencestudentswhopreviouslyhavecoveredthematerialinChapter5.SelectedportionsofChapters1−10havebeencoveredinatwo-termcourseforstudentswithamoregeneralbackground.ThematerialinChapters7−13hasalsoformedthebasisofacourseforgraduatestudents.Itisbelieveddesirablethatthetextshouldbereasonablyself-sufficientsoastoprovidethenon-computer-sciencestudentwithacertainamountofbackgroundmaterialthatislikelytobewellknowntothereaderwhohassomepreviouseducationincomputerscience.ThisbackgroundmaterialiscontainedatthebeginningofChapter3andChapter5.Chapter3alsoservestoprovidethestudentofcomputersciencewithillustrationschosenfromtheareaofinformationretrieval.SomemathematicalmaturityisrequiredforafullunderstandingofChapters13and14.However,itisbelievedthatastudentnotwell-versedinmathematicsshouldbeabletoappreciatethevalueofthetechniques,andthesignificanceoftheresults,withoutunderstandingthedetailsoftheanalysis.zComprehensioncheckA.Choosethebestanswerforeachofthefollowing.Unit121.Thisbookisintendedfor_________.A)studentsofcomputerscienceonlyB)librariansonlyC)informationofficersonlyD)allofthepeoplementionedabove2.Theword“versed”(Para.1)couldbestbereplacedby_________.A)experiencedB)educatedC)interestedD)versatile3.Ifyouwanttodoagraduatecourse,whichchaptersshouldyouread?A)Chapters1–4.B)Chapters5–10.C)Chapters1–10.D)Chapters7–13.4.Chapters3and5arespeciallydesignedforthe_________.A)non-computer-sciencestudentB)studentofcomputerscienceC)readerwithpreviouseducationincomputerscienceD)studentpreparingforagraduatecourse5.Agoodmathematicalknowledgeisnecessaryfor_________.A)afullunderstandingofthewholebookB)athoroughunderstandingofthedetailsofthemathematicalanalysisC)appreciatingthesignificanceoftheresultsofthemathematicalanalysisD)appreciatingChapters3and5B.Fillintheblankswiththekeywordsgiveninthebox.offersuggestedintended/designedTheLongmanKeystoLanguageTeachingseriesis_________especiallyfortheordinaryteacher.Thebooksinthisseries_________sound,practical,down-to-earthadviceonusefultechniquesandapproachesinthemodernELTclassroom.Mostoftheactivities_________inthesebookscanbeadaptedandusedforalmostanyclass,byanyteacher.zTranslationA.TranslatethefollowingsentencestakenfromthepassageintoChinese.Thepurposeofthepresentbookistwofold.Ontheonehand,anattemptismadetointroducethestudentofcomputersciencetosomeofthebasicconceptsofinformationretrievalandtodescribethetechniquesrequiredtodevelopsuitablecomputerprograms.B.T