Werefertothelimitedrangeofsoundsasthephonicmediumoflanguageandindividualsoundswithinthatrangeas______.
D
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。
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
Theoldcouplehavebeenmarriedfor40yearsandneveronce_______witheachother.
Children have a natural ________ about the world around them.