在线网课知道《Python语言程序设计（全英）（华南理工大学）》单元测试考核答案

第一章单元测试1【单选题】(20分)WhichisNOTthemainpartofcomputer()A.CacheB.I/OequipmentC.memoryD.CPU2.【多选题】(20分)正确答案：CDWhichsymbolcanbeusedforcommentsinPython()A.//B.!C.“D.#3【单选题】(20分)TheintegrateddevelopmenttoolbuiltintoPythonis().A.VscodeB.IDLEC.JupyterD.Pycharm4【单选题】(20分)Whichisthecorrectoperatorforpower(Xy)?()A.NoneofthementionedB.X^yC.X**yD.X^^y5【单选题】(20分)Whichofthefollowingisincorrect?()A.float(3)B.float(4.2)C.float("3")D.float("3+5")第二章单元测试1【单选题】(20分)Whichofthefollowingisaninvalidvariable?()A.my_string_1B.fooC._D.1st_string2【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?not(10＜20)andnot(1030)()A.NooutputB.TrueC.FalseD.Error3【单选题】(20分)Whichonewillreturnerrorwhenaccessingthelist‘l’with10elements.()A.l[-1]B.l[10]C.l[-10]D.l[0]4【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?lst=[3,4,6,1,2]lst[1:2]=[7,8]print(lst)()A.[3,[7,8],6,1,2]B.[3,7,8,6,1,2]C.SyntaxerrorD.[3,4,6,7,8]5【单选题】(20分)WhichofthefollowingoperationswillrightlymodifytheA.t=['h','e','l','l','o']t[0]='H'B.s='hello's[0]='H'C.t={'h','e','l','l','o'}t[0]='H'D.t=('h','e','l','l','o')t[0]='H'6【单选题】(20分)Thefollowingprograminputdata:95,theoutputresultis?()A.noneofthementionedB.Pleaseenteryourscore:95Yourabilityexceeds85%ofpeople!C.Pleaseenteryourscore:95Awesome!Yourabilityexceeds85%ofpeople!D.Pleaseenteryourscore:95Awesome!第三章单元测试1【单选题】(20分)Whichonedescriptionofconditioninthefollowingsiscorrect?()A.Thecondition24＜=28＜25islegal,andtheoutputisFalseB.Thecondition24＜=28＜25isillegalC.Thecondition24＜=28＜25islegal,andtheoutputisTrueD.Thecondition35＜=45＜75islegal,andtheoutputisFalse2【单选题】(20分)Theoutputofthefollowingprogramis?()A.PythonB.NoneC.pythonD.t3【单选题】(20分)forvarin___:()A.range(0,10)B."Hello"C.13.5D.[1,2,3]4【单选题】(20分)Afterthefollowingprogramisexecuted,theA.19B.9C.47D.465【单选题】(20分)Whichistheoutputofthefollowingcode?a=30b=1ifa=10:a=20elifa=20:a=30elifa=30:b=aelse:b=0print("a=",a,"b=",b)（）A.a=20,b=20B.a=30,b=1C.a=20,b=1D.a=30,b=30第四章单元测试1【单选题】(20分)WhichkeywordisusedtodefineafunctioninPython?()A.defineB.defC.functionD.fun2【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?()A.xis50Changedlocalxto2xisnow50B.xis50Changedlocalxto2xisnow100C.NoneofthementionedD.xis50Changedlocalxto2xisnow23.【多选题】(20分)正确答案：ABCDWhicharetheadvantagesoffunctionsinPython?()A.ReducingduplicationofcodeB.EasiertomanagethecodeC.ImprovingclarityofthecodeD.Decomposingcomplexproblemsintosimplerpieces4【单选题】(20分)Howdoesthevariablelengthargumentspecifiedinthefunctionheading?()A.twostarsfollowedbyavalididentifierB.oneunderscorefollowedbyavalididentifierC.onestarfollowedbyavalididentifierD.twounderscoresfollowedbyavalididentifier5【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?list(map((lambdax:x**2),filter((lambdax:x%2==0),range(10))))()A.NooutputB.ErrorC.[0,1,2,3,4,5,6,7,8,9]D.[0,4,16,36,64]第五章单元测试1【单选题】(20分)Whichofthefollowingstatementscannotcreateademo.txtfile?()A.f=open("demo.txt","r")B.f=open("demo.txt","a")C.f=open("demo.txt","w")D.f=open("demo.txt","x")2【单选题】(20分)Afterexecutingthefollowingprocedure,whatcontentwillbesavedinthefile？file=open('test.txt','wt+')file.write('helloSCUT')file.close()file=open('test.txt','at+')file.write('helloworld')file.close()()A.helloSCUTworldB.helloSCUThelloworldC.helloSCUThelloworldD.helloworld3【单选题】(20分)WhichfunctionisnotthewayPythonreadsfiles.()A.readtext()B.readlines()C.readline()D.read()4【单选题】(20分)HowtorenameafileinPython?()A.os.rename(fp,new_name)B.os.set_name(existing_name,new_name)C.os.rename(existing_name,new_name)D.=‘new_name.txt’5【单选题】(20分)Whatistheusageoftell()functioninPython?()A.noneofthementionedB.tellsyoutheendpositionwithinthefileC.tellsyouthecurrentpositionwithinthefileD.tellsyouthefileisopenedornot第六章单元测试1【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?()A.ReportserrorasoneargumentisrequiredwhilecreatingtheobjectB.Runsnormally,doesn’tdisplayanythingC.ReportserrorasdisplayfunctionrequiresadditionalargumentD.Displays0,whichistheautomaticdefaultA.‘New’B.NothingisprintedC.ErrorD.‘Old’3【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?()A.testB.DemoC.__main__D.Exceptionisthrown4【单选题】(20分)WhichoneofthefollowingsisnotcorrectaboutClasshierarchy?()A.SubclasscaninheritallattributesfromsuperclassB.SubclasscanoverridethemethodsinheritedfromsuperclassC.Subclasscannotaddmorebehavior/methodsD.Subclasscanhavemethodswithsamenameassuperclass5【单选题】(20分)WhatwillbetheoutputofthefollowingPythoncode?()A.ErrorbecauseclassBinheritsAbutvariablexisn’tinheritedB.00C.01D.Error,thesyntaxoftheinvokingmethodiswrong第七章单元测试1【单选题】(20分)Numpyisathirdpartypackagefor____inPython?()A.FunctionB.ArrayC.TypecastingD.Lambdafunction2【单选题】(20分)HowtoconvertaNumpyarraytoalistinPython?()A.list(array)B.array.listC.list.append(array)D.list.array3【单选题】(20分)WhichkeywordisusedtoaccesstheNumpypackageinPython?()A.loadB.fetchC.fromD.import4【单选题】(20分)Whichoneiscorrectsyntaxforthe‘reshape()’functioninNumpy?()A.reshape(array,shape)B.array.reshape(shape)C.reshape(shape,array)D.reshape(shape)5【单选题】(20分)Whatwillbetheoutputforthefollowingcode?importnumpyasnpa=np.array([1,2,3],dtype=complex)print(a)()A.[[1.+0.j,2.+0.j,3.+0.j]]B.[1.