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2012年10月30 SAT官方每日一題
考試類型: Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
If 
, for which of the following values of 
is 
NOT defined?
A. -4
B. -3
C. -1
D. 2
E. 3
adj. 有定義的，確定的；清晰的，輪廓分明的 v. 使
