pretest59 3/19

lily88888UID: 2828533

If understanding a word always involves knowing its dictionary definition, then understanding a word requires understanding the words that occur in that definition. But clearly there are people --for example, all babies-who do not know the dictionary definitions of some of the words they utter.

Which one of the following statements follows logically from the statements above?

A. some bobies utter individual words that they do not understand.
C. If some words can be understood without knowing their dictionary definitions, then babies understand some words.
E. If some babies understand all the words they utter, then understanding a word does not always involve knowing its dictionary definition.

duijinxiaoziUID: 2585955

understanding a word always involves knowing its dictionary definition（X）---》understanding a word requires understanding the words that occur in that definition（Y）
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If some babies（who do not know the dictionary definitions of some of the words they utter）understand all the words they utter（非Y）
---------》understanding a word does not always involve knowing its dictionary definition（非X）