We refer to the limited range of sounds as the phonic medium of language and individual sounds within that range as ______.
A、vowelsD
在語言交際中占有一席之地、由人類的發音器官所發出來的聲音在數量上是有限的。這些范圍有限，但對人類交際活動意義重大、對語言學研究價值不菲的聲音就是語言的音響媒介，凡是在這個范圍內的每個單個的聲音都叫做語音。
Childrenhaveanatural________abouttheworldaroundthem.
The syntactic rules of any language are ______ in number.
He talked a lot about things and persons ________they remembered in the school.
Alinguistictheoryisconstructedaboutwhat______isandhowitworks.
Weather _______, we ’ll go out for a walk.
