【正确答案】：
THE FUNDAMENTAL DIFFERENCE BETWEEN HOMONYMS AND POLYSEMANTS LIES IN THE FACT THAT THE FORMER REFERS TO DIFFERENT WORDS WHICH HAPPEN TO SHARE THE SAME FORM AND THE LATTER IS THE ONE AND SAME WORD WHICH HAVE SEVERAL DISTINGUISHABLE MEANINGS.
【题目解析】：同形异义词与多义词的根本区别在于前者指的是不同的词但有共同的形式。后者指的是同一个词有不同的意思。