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【单选题】
使用mysqladmin命令停止MySQL服务器的命令是什么?( )A.
mysqladmin-uroot shutdown -proot
B.
quit
C.
net start mysql
D.
net stop mysq
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反馈参考答案：
举一反三
【多选题】Task 5 Listen to the passage twice and fill in the blanks with what you hear. Time is equal to everyone. Whether you are smart or foolish, ugly or beautiful, you have the same 24 hours each day that ...
A.
quality of your life
B.
impossible situations
C.
importance
D.
focus attention
E.
work environment
【单选题】princomp(stxt, cor=TRUE)中cor=TRUE表示( )。
A.
用样本相关阵作主成分
B.
用协方差阵作主成分
C.
用协方差阵的估计值作主成分
D.
以上都是
【单选题】函数princomp(X, cor=TRUE)中cor=TRUE表示( )
A.
用样本相关阵计算主成分
B.
用协方差阵计算主成分
C.
用协方差阵的估计值计算主成分
D.
以上都是
【简答题】阅读理解。 A．Do make your boss look good B．Do discover the chains of commands C．Do try to find a common ground with the people you work with D．Do discover your company's corporate culture E．Do make yoursel...
【简答题】最具成本效益的安装方法是把方阵与屋顶( ),且指向与屋顶( )。
【简答题】A. Listen to some sentences and fill in the blanks with the missing words. 1. Many researchers now 1____ that it does 2____ both your 3_____ and your 4____ . 2. 5 people especially 6 this vitamin to 7...
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