在flash的编程语言as中有专门的声音对象Sound，利用Sound中的方法可以达到对声音的控制。在Sound中包括如下方法（） A: Sound.attachSound；Sound.setPan；Sound.setTransform；Sound.setVolume；Sound.getPan B: Sound.getTransform；Sound.getVolume C: Sound.getBytesLoaded；Sound.getBytesToal；Sound.start；Sound.stop D: mysound=newSound（）；//mysound

要播放声音，调用Sound对象的play()方法。如果想要立即停止Sound对象播放，调用stop()方法。

若想实现点击按钮使声音通道1停止，可以在按钮上添加命令（） A: stopsound B: sound（1）.stop（） C: sound（1）.play

The sound of a coin dropping makes people （） A: think of money B: look at each other C: pay: attention to it D: stop crossing the street

In the historical development of language, sound change is inevitable, such as sound loss, sound a______ and sound movement.

A sound mind is inseparable from a sound body. The word “sound” means______.

That ____ quite interesting. A: aren't sound B: don't sound C: isn't sound D: doesn't sound

8.Primary _________means the direct imitation of sound by sound, of natural sound by human speech sound.

Simultaneous or overlapping articulations, as when the nasal quality of a nasal sound affects the preceding or following sound so that the latter becomes nasalized. If the affected sound becomes more like the following sound, it is known as anticipatory ; if the sound shows the influence of the preceding sound, it is perseverative .​​​​

(Multiple Choice) When the volume changes, the amount of sound change is equal in both the approaching sound and the receding sound, which one is more noticeable?（ ） A: the receding sound B: the approaching sound C: both of them