上证50ETF基金可以实现T+0交易,是指当日买入(申购)的上证50ETF基金份额可以在当日卖出(赎回)。( )
参考答案:错
请在下面代码中加入监听器语句。 importjava.awt.*; importjava.applet.Applet; publicclassSimpleextendsAppleimplementsMouseListener StringBuffer; publicvoidinit() //监听器语句 buffer=newStringBuffer(); addltem(“initializing…”); publicvoidmoseEntered(MouseEventevent) publicvoidmoseExited(MouseEventevent) publicvoidmosePressed(MouseEventevent) publicvoidmoseReleased(MouseEventevent) publicvoidmoseClicked(MouseEventevent) addltem(“click!…”);
老年人服用可发生慢性低蛋白血症的药物是()
A.地西泮
B.苯巴比妥
C.唑吡坦
D.卡马西平
E.苯妥英钠