对于View类，一般包含哪些内部接口实现事件监听。（ ）。 A: View.OnTouchListener B: View.OnClickListener C: View.OnKeyListener D: View.OnLongClickListener

下列选项中，属于View监听触摸事件时，必须实现的接口的是（）。 A: View.OnClickListener B: View.OnKeyListener C: View.OnTouchListener D: View.OnFocusChangeListener

按键事件的事件监听器必须实现的接口为View.OnTouchListener。( )

下列选项中，属于键盘事件的监听器的是（）。 A: OnClickListener B: OnFocusChangeListener C: OnKeyListener D: OnTouchListener

Among the six basic views, which one can show the height of an object? () A: Front view, top<br/>view, left side view B: Top view, bottom<br/>view C: Left side view, bottom view, rear view D: Front view, left<br/>side view, right side view, rear view

Android中用以监听长单击事件的监听器是( )。 A: View.onClickListener B: View.onLongClickListner C: View.onKeyListener D: View.onTouchListener

WeregretthatweareunabletoconsideryourrequestforpaymentonD/Aterms.Asarule,weaskforpaymentbyL/C.But,_________________ourfriendlyrelations,wewill,asan A: in view to B: in view with C: in view of D: on view of

通常使用（ ）语句删除视图 A: DROP VIEW B: DELETE VIEW C: ALTER VIEW D: CREATE VIEW

以下代码： <block wx:if="{{true}}"> <view>view1</view> <view>view2</view> </block> 的输出结果为

We take the liberty of writing you______ building up business relations with your firm. A: in a view to B: with a view to C: in view to D: in view of