首先，我们可以通过题干中反复出现的表达来确定文章的中心，如下例：
例1: (2008 Text 1)
21. Which of the following is true according to the first two paragraphs?
22. Dr. Yehuda’s research suggests that women __.
23. According to Paragraph 4, the stress women confront tends to be __.
24. The sentence “I lived from paycheck to paycheck.”(Line 5, Para. 5) shows that__.
25. Which of the following would be the best title for the text?
[A] Strain of Stress: No Way Out?
[B] Responses to Stress: Gender Differences
[C] Stress Analysis: What Chemicals Say
