A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item)
B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item)
C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item)
D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)
举一反三
- 以下类方法定义正确的是（） A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item) B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item) C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item) D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)
- 不够输出20个星号的语句是（ ）。知识点：字符串的复制 A: print("********************") B: print("*"*20) C: print(20*"*") D: print(20+"*")
- 下面那个程序代码是正确的_________ A: print("Programming is fun") print("Python is fun") B: print("Programming is fun")print("Python is fun") C: print("Programming is fun)print("Python is fun") D: print("Programming is fun)print("Python is fun")
- 在Student表中，将学生姓名为“王蒙”的学生改名为“王金山”，正确的SQL语句是___________。 A: UPDATE SET 姓名="王金山" IF 姓名="王蒙" B: UPDATE Student SET 姓名="王蒙"WHERE 姓名="王金山" C: UPDATE Student SET 姓名="王金山" WHERE 姓名="王蒙" D: UPDATE Student SET 姓名="王蒙" IF 姓名="王金山"
- 设变量a=15.69458能够输出: RMB15.69 的是（）。 A: print("RMB{:.2f}".format(a)) B: print("RMB"+str(a)) C: print("RMB",a) D: print("RMB{}".format(a))
内容
- 0
Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"
- 1
根据用户在文本框txtName中输入的姓名对Student表进行查询，以下SQL语句定义正确的是__________________。 A: String sql="Select * from Student where Sname="+txtName.getText(); B: String sql="Select * from Student where Sname='"+txtName.getText()+"'"; C: String sql="Select * from Student where Sname like "+txtName.getText(); D: String sql="Select * from Student where Sname like '"+txtName.getText()+"'";
- 2
下列程序返回的结果是a = "first"def second(a): a = "second"def third(): global a a = "third"third()print(a, end=',')second("fourth")print(a)? third, third;|second,third;|second,first|first,second;
- 3
从学生表student查询所有女学生的信息，正确的语句是( )。 A: SELECT B: FROM student where 性别="女"; C: SELECT * FROM student where 性别="女"; D: SELECT ? FROM student where 性别="女"; E: SELECT FROM student where 性别="女";
- 4
在JSP页面中，正确引入JavaBean的是（）。 A: <%jsp: useBean id ="myBean” scope ="page” class="pkg.MyBean" %> B: <jsp: useBean name ="myBean” scope ="page” class="pkg.MyBean"> C: <jsp: useBean id ="myBean” scope ="page” class="pkg.MyBean”/> D: <jsp: useBean name ="myBean” scope ="page” class="pkg.MyBean”/>