【正确答案】：
AFFIXES ARE FORMS THAT ARE ATTACHED TO WORDS OR WORD ELEMENTS TO MODIFY MEANING OR FUNCTION. ACCORDING TO THE FUNCTIONS, AFFIXES CAN BE GROUPED INTO INFLECTIONAL AND DERIVATIONAL AFFIXES.
【题目解析】：本题考查词缀法。词缀是用来修饰词义或功能的形式。根据词缀的功能，词缀可分为屈折词缀和派生词缀。