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搜题
【单选题】
Linux系统超级用户root的命令行提示符是
A.
$
B.
#
C.
>
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知识点:
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举一反三
【单选题】在当前目录存在文本文件test.txt,内容是: Life is short, you need Python. Simple is better than complex. 执行下列语句输出得到的结果是以下哪一项? with open('test.txt', 'r+') as fp: fp.seek(15) print(fp.readline())
A.
Simple is better than complex
B.
you need Python.
C.
输出为空。
D.
Life is short, you need Python.
【单选题】在当前目录存在文本文件test.txt,内容是:Life is short, you need Python.Simple is better than complex.执行语句fp=open('test.txt','r+')fp.seek(15)printfp.readline()输出得到的结果是以下哪一项?
A.
Life is short, you need Python.
B.
you need Python.
C.
Simple is better than complex.
D.
输出为空。
【单选题】在当前目录存在文本文件 test.txt ,内容是: Life is short, you need Python. Simple is better than complex. 1. with open(‘test.txt’,’r+’) as fp; 2. fp.seek(15) 3. print(fp.readline())
A.
you need Python
B.
Life is short,you need Python
C.
输出为空
D.
Simple is better than complex
【单选题】我国形成的新的社会阶层不包括( )。
A.
私营企业主
B.
民营科技企业的创业人员
C.
外资企业的管理技术人员
D.
国家公务员
【简答题】在当前目录存在存在文本文件test.txt,内容是:Life is short, you need Python. is better than complex.执行如下语句:fp=open('test.txt','r+',0)fp.readline()fp.seek(10,1)print(fp.readline())
【单选题】在当前目录存在文本文件test.txt,内容是:Life is short, you need Python.Simple is better than complex.执行下列语句输出得到的结果是以下哪一项?withopen('test.txt','r+')asfp:fp.seek(15)print(fp.readline())
A.
Life is short, you need Python.
B.
you need Python.
C.
Simple is better than complex.
D.
输出为空。
【单选题】以下图标中,( )是"粘贴函数"按钮
A.
Σ
B.
S
C.
f
D.
fx
【单选题】在当前目录存在文本文件test.txt,内容是: Life is short, you need Python. Simple is better than complex. 执行下列语句输出得到的结果是以下哪一项? with open('test.txt', 'r+') as fp: fp.seek(15) print(fp.readline())
A.
you need Python.
B.
Life is short, you need Python.
C.
输出为空。
D.
Simple is better than complex.
【单选题】在分光光度法中,应用朗伯-比尔定律进行定量分析时,应采用的入射光是
A.
白光
B.
单色光
C.
可见光
D.
紫外光
【简答题】在当前目录存在存在文本文件test.txt,内容是:Life is short, you need Python. is better than complex.执行如下语句:fp=open('test.txt','rb+',0)fp.readline()fp.seek(10,1)print(fp.readline())fp.close()
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