大额信贷业务风险报告的原则不包括（）。A、依法合规原则B、诚信尽职原则C、统一授信原

某元素在人体内能调节体液平衡，人体缺乏该元素会造成心律不齐，过量会使人恶心、腹泻．

该元素的原子结构示意图为：则x=            ，此元素属于            （填“金属”或“非金属”）元素，它的元素符号是            ．

Do you know when ________?

A．does the basketball game begin

B．begins the basketball game

C．the basketball game begins

D．will the basketball game begin

下列WindowListener接口方法中当窗口被激活时调用的方法是( )。

A．windowActivated(WindowEvent)

B．windowClosed(WindowEvent)

C．windowOpened(WindowEvent)

D．windowDeactivated(WindowEvent)

设计一段真空度（）MPa，二段真空度（）MPa。