个人网上银行非签约客户不享受的功能有（）
A、转账汇款
B、缴费支付
C、证券交易
D、投资理财
参考答案：A
下列哪个类是Applet进行绘制的关键类，它支持基本绘图，另外还支持图形绘制方法
A．Paint
B．Graphic
C．Graphics
D．Paints
To keep healthy, Professor Johnson ______ cycling as a regular form of exercise after he retired.
A．took up
B．caught on
C．carried out
D．made for
