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【单选题】
晶体三极管要处于饱和状态必须满足
A.
发射结集电结构正偏
B.
发射结集电结均反偏
C.
发射结正偏集电结反偏
D.
发射结反偏集电结正偏
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参考答案：
举一反三
【单选题】如下程序的运行结果是（）import rere.compile (r'\d+?')pat = re.compile (r'\d+?')s = pat.search('python123').span()print(s)
A.
(6,9)
B.
(6,7)
C.
(0,9)
D.
None
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【多选题】在公路工程中,一般会用到( )作为基本参数。
A.
回弹弯沉
B.
设计弯沉
C.
竣工验收弯沉
D.
总弯沉
查看完整题目与答案
【单选题】Look!There ______ an egg, a bottle of milk and several pieces of bread on the table.
A.
are
B.
is
C.
was
D.
were
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【简答题】句型转换。 1. May I smoke here? (否定回答) No, ______ ______. 2. Look! There is some milk in the glass. (改为否定句) Look! There milk in the glass. 3. This bag is made of leather. (对画线部分提问) this bag ? 4. How do you...
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【简答题】写出下面程序的运行结果。 import re str='''sno:#1810101#,name:#李晓明#,age:#19#,major:#计算机# sno:#1810102#,name:#马红#,age:#20#,major:#数学#''' rlt=re.search(r'sno:#([\s\S]*?)#[\s\S]*?major:#([\s\S]*?)#', str, re.I) if rl...
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【简答题】写出下面程序的运行结果。 import re html='''%abc%%def%python(ghi)''' content=re.sub(r'%[\s\S]*%', '&', html) content=content.strip() print('替换之后的内容为: ', content) content2=re.subn(r'%[\s\S]*%', '&', html) print('替换...
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【单选题】According to the text, American emergency plans for coping with an outbreak of pandemic flu ______.
A.
have been stipulated
B.
have been enacted
C.
have been abolished
D.
have been delayed
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【单选题】The most appropriate title for this text would be_________.
A.
American Newspapers Struggling for Survival
B.
American Newspapers: Gone with the Wind
C.
American Newspapers: A Thriving Business
D.
American Newspapers A Hopeless Story
查看完整题目与答案
【简答题】句型转换。 1. May I smoke here? (否定回答) No, . 2. Look! There is some milk in the glass. (改为否定句) Look! There milk in the glass. 3. This bag is made of leather . (提问) this bag ? 4. How do you like the film? (...
查看完整题目与答案
【判断题】import res="xaxby"m=re.search(r"a.b",s)print(m)结果"."代表了字符"x"
A.
正确
B.
错误
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相关题目：
【单选题】如下程序的运行结果是（）import rere.compile (r'\d+?')pat = re.compile (r'\d+?')s = pat.search('python123').span()print(s)
A.
(6,9)
B.
(6,7)
C.
(0,9)
D.
None
查看完整题目与答案
【多选题】在公路工程中,一般会用到( )作为基本参数。
A.
回弹弯沉
B.
设计弯沉
C.
竣工验收弯沉
D.
总弯沉
查看完整题目与答案
【单选题】Look!There ______ an egg, a bottle of milk and several pieces of bread on the table.
A.
are
B.
is
C.
was
D.
were
查看完整题目与答案
【简答题】句型转换。 1. May I smoke here? (否定回答) No, ______ ______. 2. Look! There is some milk in the glass. (改为否定句) Look! There milk in the glass. 3. This bag is made of leather. (对画线部分提问) this bag ? 4. How do you...
查看完整题目与答案
【简答题】写出下面程序的运行结果。 import re str='''sno:#1810101#,name:#李晓明#,age:#19#,major:#计算机# sno:#1810102#,name:#马红#,age:#20#,major:#数学#''' rlt=re.search(r'sno:#([\s\S]*?)#[\s\S]*?major:#([\s\S]*?)#', str, re.I) if rl...
查看完整题目与答案
【简答题】写出下面程序的运行结果。 import re html='''%abc%%def%python(ghi)''' content=re.sub(r'%[\s\S]*%', '&', html) content=content.strip() print('替换之后的内容为: ', content) content2=re.subn(r'%[\s\S]*%', '&', html) print('替换...
查看完整题目与答案
【单选题】According to the text, American emergency plans for coping with an outbreak of pandemic flu ______.
A.
have been stipulated
B.
have been enacted
C.
have been abolished
D.
have been delayed
查看完整题目与答案
【单选题】The most appropriate title for this text would be_________.
A.
American Newspapers Struggling for Survival
B.
American Newspapers: Gone with the Wind
C.
American Newspapers: A Thriving Business
D.
American Newspapers A Hopeless Story
查看完整题目与答案
【简答题】句型转换。 1. May I smoke here? (否定回答) No, . 2. Look! There is some milk in the glass. (改为否定句) Look! There milk in the glass. 3. This bag is made of leather . (提问) this bag ? 4. How do you like the film? (...
查看完整题目与答案
【判断题】import res="xaxby"m=re.search(r"a.b",s)print(m)结果"."代表了字符"x"
A.
正确
B.
错误
查看完整题目与答案
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