《计算机专业英语》答案

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1、《计算机专业英语》参考答案Chapter1ComputerScienceTextAExercises2.(a)out(b)with(c)in(d)in(e)in(f)with(g)for(h)aboutTextBExercises3.(a)to(b)now(c)in(d)with(e)out(f)uponTextCExercises1.(1)analyze,analytic(2)complicate,complex(3)collaborate,collaborative(4)vary,various(5)introduce,introducto

2、ry(6)base,basic(7)create,creative(8)differ,different(9)free,freeChapter2DiscreteMathematicsforComputerScienceTextAExercises1.C48=70，C38=562.6*25=1923.ifa=0thenifb=0thenreturn(0)elsereturn(1+Add(0,b-1))elseifb=0thenreturn(1+Add(a-1,0))elsereturn(1+1+Add(a-1,b-1))4.ifRest(S)=Ø

3、thenreturn(First(S))elseif(First(S)

4、n-1+2nan-1=an-2+2(n-1)……a2=a1+2*2a1=3sumallitemsinleftside,anddeletesameitemsintherightsideofequations,wecanresultthatan=3+2（2+3+……+n-1+n）=1+n(n+1)=n2+n+1thatiswhatweconclude.TextCExercises1.（1）depend,dependent(2)correspond,correspondent(3)grow,grown(4)solve,solvent(5)relate

5、,relational(6)recur,recursive(7)validate,valid(8)conclude,conclusive(9)justify,justificative2.(1)connect-disconnect(2)possible-impossible(3)regular-irregular(4)measure-countermeasureChapter3AlgorithmsintheRealWorldTextAExercises2.finite,solving,processing,effective,eventuall

6、y,next,randomly3.by,in,on,in,on,from4.thealgorithmcanterminate.Itiscorrectforsorting.IfthelengthofarrayAisn,thetimeforcomputationisO(n2)Itsmemorycostnunits.Asnincrease,itscomputationalcostwillbecomelarge.TextBExercises3.(1)—(e),(2)—(c),(3)—(d),(4)—(a),(5)—(b)4.inconvenience,

7、incapacity,independence5.Wecouldn’thavelivedwithoutwater.Chapter4DictationSystemTextAExercises2.forefront,institution,turnaround,boost,embrace,portfolio,handle,portable,issue,stringent3.off,on,from,into,in,to,over,to,on,toTextBExercises2.(1)—(h),(2)—(g),(3)—(a),(4)—(j),(5)—(

8、e),(6)—(f),(7)—(b),(8)—(i),(9)—(c),(10)—(d)TextCExercises3.organize,organiz