下列文件名中有一个在Windows中为非法的文件名，它是______。 A．My file 1 B．Basic Program C．Card“01”

A、Mouse Click

B、Mouse Over

C、Key Pressed

D、Enter Frame

A、On any click

B、On click

C、Mouse over

D、Mouse button is down

选出应填入下面一段英语中______内的正确答案。

One of the most difficult problems with systems(1)is understanding and(2)patterns that will be jointly achieved by the components of a system. To understand this term, think of a(3)like a mouse click that triggers some chains of causally related responsibilities performed in software. One way of looking at this is from outside the system,a mouse click causes a file icon to open on a screen. Another way to view this is from inside, the responsibilities of handling the click are decentralized in a set of objects in a running program and the click(4)through this set by means of a causally connected sequence ofinterobject(5). One ofthe objects causes the file icon to open on the screen.

A．错误

B．正确

A．click——鼠标单击事件

B．focus——获取焦点事件

C．mouse Over——鼠标指针移动到事件源对象上时触发的事件

D．change——选择字段时触发的事件

执行下面语句 $(document).ready(function() { $(‘#click’).click(function() { alert(‘click one time’); }); $(‘#click’).click(function() { alert(‘click two times’); }); }); 单击按钮<input type="‘button’" id="‘click’" value="‘点击我’/" />，会有什么效果（）

A、弹出一次对话框，显示click one time

B、弹出一次对话框，显示click two times

C、弹出两次对话框，依次显示click one time，click two times

D、js编译错误