窗口事件是指操作窗口时所引发的事件，下列不属于窗口事件的是( )。
A．加载
B．打开
C．关闭
D．确定
参考答案：D
解析： 确定不属于窗口事件。
When she first arrived in China,she wondered what the future might have for her,but now all
her worries are gone. [ ]
A.in need
B.in time
C.in preparation
D.in store
转位生产从何时开始测定转位效果？
