Language is arbitrary in that there is _____ between words and the objects, actions or concepts these words are used to refer to.

[单选题]In Java language, objects are instances of(5).A．classB．typeC．structureD．module

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin

[单选题]How men first learnt to invent words is unknown; in other words, the origin