以下文字与答案无关
提示:有些试题内容 显示不完整,文字错误 或者 答案显示错误等问题,这是由于我们在扫描录入过程中 机器识别错误导致,人工逐条矫正总有遗漏,所以恳请 广大网友理解。
1'-OH
B:3'-P
C:2'-OH
D:3'-OH
E:5'-P
'11'
B:'2'
C:'3'
D:都不是
a="1,'a', 2, 'b']"
B:a = {1,'a', 2, 'b']}
C:a = 1,'a', 2, 'b']]
D:a=(1,'a', 2, 'b'])
'k'
B:'#000000'
C:(0.0, 0.0, 0.0)
D:'b'
'k'
B:'#000000'
C:(0.0, 0.0, 0.0)
D:'b'
def foo(arg1, arg2='test', arg3=100):
print (arg1, arg2, arg3)
选项: A:foo(arg1 = 'where', arg2 = 'what')
B:foo('where')
C:foo('where','what')
D:foo(arg = 'where')
'human', 'tiger', 'dog', 'cat'】
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
">7.元组变量t=("cat", "dog", "tiger", "human"), t::-1]的结果是 选项: A:{'human', 'tiger', 'dog', 'cat'}
B:'human', 'tiger', 'dog', 'cat'】
C:运行出错
D:('human', 'tiger', 'dog', 'cat')
username=input('请输入用户名')
password=input('请输入密码')
if username=='jxz'and password=='123456':
print('登陆成功')
else:
print('登陆失败')
B:username=input('请输入用户名')
password=input('请输入密码')
if username=='jxz' or password=='123456':
print('登陆成功')
else:
print('登陆失败')
C:username=’jxz’
password=’123456’
if username='jxz'and password='123456':
print('登陆成功')
else:
print('登陆失败')
D:username=input('请输入用户名')
password=input('请输入密码')
if username='jxz'and password='123456':
print('登陆成功')
elif:
print('登陆失败')
'ppy N'
C:'py Ne'
D:'py New'
">9.设s="Happy New Year",则s3:8]的值为()。 选项: A:'ppy Ne'
B:'ppy N'
C:'py Ne'
D:'py New'
'-应交增值税'
B:'应交增值税-'
C:'交增值税'
D:'应交增值税'
True
B:False
C:'n'
D:'Y'
'-应交增值税'
B:'应交增值税-'
C:'交增值税'
D:'应交增值税'
职称='副教授' OR 性别='男'
B:职称='副教授' AND 性别='男'
C:BETWEEN '副教授' AND '男'
D:IN ('副教授','男')
Import matplotlib.pyplot as plt
Plt.subplots(2, 2, sharex=________)
Plt.show()
以上程序的横线处填充以下哪个取值,可以共享每列子图的坐标轴?
选项: A:'col'
B:'row'
C:'all'
D:'none'
'ppy N'
C:'py Ne'
D:'py New'
">15.设s="Happy New Year",则s3:8]的值为()。 选项: A:‘ppy Ne'
B:'ppy N'
C:'py Ne'
D:'py New'
Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, labels=pie_labels)
Plt.show()
B:Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, radius=1.5, labels=pie_labels)
Plt.show()
C:Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, radius=1.5, explode=0, 0.2, 0, 0, 0, 0],labels=pie_labels)
Plt.show()
D:Import numpy as np
Import matplotlib.pyplot as plt
Data = np.array(20, 50, 10, 15, 30, 55])
Pie_labels = np.array('A', 'B', 'C', 'D', 'E', 'F'])
Plt.pie(data, radius=1.5, wedgeprops={'width': 0.6},labels=pie_labels)
Plt.show()
{3:‘blue’,‘green’:2}
C:{'red':1,‘green’:2,‘blue’:3}
D:{'red':1,‘green’:2,3:‘blue’}
">17.已知字典x={"red":1,"green":2},执行语句x3]="blue"之后,则x的值为______。 选项: A:{'red':1 ,3:‘blue’}
B:{3:‘blue’,‘green’:2}
C:{'red':1,‘green’:2,‘blue’:3}
D:{'red':1,‘green’:2,3:‘blue’}