Listen to this interview a couple of times and then put the letter of the corresponding words/phrases in the blanks to answer the questions below.

a. sociology;
b. how we react to stress;
c. techniques;
d. levels of stress

1. What is Dr. Smith's field of study?
2. According to Dr. Smith, three factors may vary. The first one is
3. The second one is
4. The third one is

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