试题题干
Language is not entirely （）, because there are words in every language that imitate natural sounds, such as rumble, crash, cackle and bang in English.
参考答案
正确答案：
试题解析
语言并不是完全任意的，因为在每一种语言中都有模仿自然声音的单词，如英语中的隆隆、碰撞、咯咯声和砰砰声。