代码"var audioCtx=wx.createInnerAudioContent()"创建一个InnerAudioContent实例对象，下面哪些是该实例对象的属性或方法。 A: src、duration和currentTime B: play()和pause() C: onEnded() D: seek() E: onTimeUpdate()

获取音频当前播放时间的属性是（ ）。 A: playtime B: time C: currentTime D: duration

I’d rather ______ the piano than ______ the violin. A: play; playing B: to play; playing C: play; play D: to play; play

HTML5中的currentTime用于设置或返回视频中的当前播放位置（以秒计）

【单选题】You’d better on work time, or the boss may be angry with you. not play not to play to not play A. not play B. not to play C. to not play

‎下面（）是函数重载。‏ A: void play(int) 和void play(float) B: play( ) 和 ~play() C: void play(int) 和int play(int) D: void play( ) 和int play( )

下面（　　）是函数重载。 A: void play(int) 和void play(float) B: play( ) 和 ~play() C: void play(int) 和int play(int) D: void play( ) 和int play( )

She needs other children ______.() A: to play B: whom to play C: to play with D: whom to play with

I have no idea _________ football in America. A: how to play B: to play C: how play D: play

Let’s _____ and ______football on the playground. A: to go; to play B: go; play C: to go; play D: go; play the