The best statement of the main idea of this passage is that ______.
A. human brains differ considerably
B. the brain a person is born with is important in determining his intelligence
C. environment is crucial in determining a person's intelligence
D. a person who is handicapped environmentally will never attain the level of intelligence of which he is capable
第1题:
The semantic components of the word “gentleman” can be expressed as().
A+animate,+male,+human,-adult
B+animate,+male,+human,+adult
C+animate,-male,+human,-adult
D+animate,-male,+human,+adult
第2题:
下列选项中,关于Statement描述错误的是()
A.Statement是用来执行SQL语句的
B.Statement是PreparedStatement的子接口
C.获取Statement实现需要使用Connection的createStatement()方法
D.PreparedStatement能使用参数占位符,而Statement不行
第3题:
下列选项中,关于Statement描述错误的是()
A.Statement是用来执行SQL语句的
B.Statement是PreparedStatement的子接口
C.获取Statement实现需要使用Connection的createStatement()方法
D.PreparedStatement能使用参数占位符,而Statement不行
第4题:
The semantic components of the word “gentleman” can be expressed as().
A+animate,+male,+human,+adult
B+animate,+male,+human,-adult
C+animate,-male,+human,-adult
D+animate,-male,+human,+adult
第5题:
下列关闭数据库连接的顺序正确的是:()
A.先关闭Statement,再关闭ResultSet,最后关闭Connection
B.先关闭ResultSet,再关闭Statement,最后关闭Connection
C.先关闭ResultSet,再关闭Connection,最后关闭Statement
D.先关闭Statement,再关闭Connection,最后关闭ResultSet
第6题:
3.下列选项中,关于Statement描述错误的是() A: Statement是用来执行SQL语句的 B: Statement是PreparedStatement的子接口 C: 获取Statement实现需要使用Connection的createStatement()方法 D: PreparedStatement能使用参数占位符,而Statement不行
A.A B C D
B.A B C D
C.A B C D
D.A B C D