Werefertothelimitedrangeofsoundsasthephonicmediumoflanguageandindividualsoundswithinthatrangeas______.
A、vowelsD
在语言交际中占有一席之地、由人类的发音器官所发出来的声音在数量上是有限的。这些范围有限，但对人类交际活动意义重大、对语言学研究价值不菲的声音就是语言的音响媒介，凡是在这个范 围内的每个单个的声音都叫做语音。
______movesonascaleofthenationallanguage,dialects,andindividualwaysofcommunication.
I asked him to ________ me a few minutes so that we could go over all the problems.
We________goouttorestaurants,butmostlyweeatathome.
Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
The other timing system belongs in our internal clocks，which，left ________，would tie the body to a 25-hour rhythm.
