试题题干
Fill in each of the following blanks with a word or an expression.
There are seven initial functions of children's language: instrumental function, regulatory function, 
function, interactional function, personal function, heuristic function and imaginative function.
参考答案
试题解析
儿童语言有七个初始功能：工具功能、调节功能、表现功能、互动功能、自指性功能、启发功能和想象功能。