题目内容

假设当前目录下有一个文本文件textFile.txt，它有2行内容，第1行的内容是"Shall I compare thee to a summer's day?"第2行的内容是"Thou art more lovely and more temperate"执行以下命令textFile = open("textFile.txt", "r")print( textFile.readlines() )返回结果是

A. ["ShallIcomparetheetoasummer'sday?",'Thouartmorelovelyandmoretemperate\n']
B. ["ShallIcomparetheetoasummer'sday?\n",'Thouartmorelovelyandmoretemperate\n']
C. ["ShallIcomparetheetoasummer'sday?",'Thouartmorelovelyandmoretemperate']
D. ["ShallIcomparetheetoasummer'sday?\n",'Thouartmorelovelyandmoretemperate']

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执行以下各选项中的代码，返回值为False的是

A. fid = open("test.txt","w+")fid.close()fid.closed
B. fid = open("test.txt","w+")fid.closedfid.close()
C. with open("test.txt","w+") as fid:passfid.closed

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关于以下代码，下列各选项中说法正确的是with open("test.txt","w+") as fid:passfid.closed

A. 打开文件进行读写时可能出现异常，只使用open()函数可能导致最后不能正常关闭文件
B. with语句用来进行异常处理，相当于在调用open()函数后执行try和finally语句
C. 返回值是True
D. 相当于执行 fid =open("test.txt","w+")

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以下选项中，不能正确写入内容的是

A. fid = open("test.txt","r+")fid.write("Welcome to Python\n")
B. fid = open("test.txt","w+")fid.write("Welcome to Python\n")
C. fid = open("test.txt","a")fid.write("Welcome to Python\n")
D. fid = open("test.txt","a+")fid.write("Welcome to Python\n")

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以下选项中，无法成功写入内容的是

A. fid = open("test1.txt","ab")fid.writelines( ['a', 'b', 'c'] )fid.close()
B. fid = open("test2.txt","w")fid.writelines( ['a', 'b', 'c'] )fid.close()
C. fid = open("test3.txt","a")fid.writelines( ['1', '2', '3'] )fid.close()
D. fid = open("test4.txt","w")fid.writelines( [1, 2, 3] )fid.close()

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