【正确答案】:
(1)BASIC WORD STOCK POSSESSES FIVE OBVIOUS CHARACTERISTICS, BUT NONBASIC VOCABULARY DOESN'T.
(2)BASIC WORD STOCK FORMS THE COMMON CORE OF THE LANGUAGE, WHEREAS NONBASIC VOCABULARY DOESN'T BELONG TO THE COMMON CORE OF THE LANGUAGE. 
【题目解析】:(1)基本词汇具有五个明显的特点,而非基本词汇则没有。(2)基本词汇构成了语言的共同核心,而非基本词汇不属于语言的共同核心。