60. Which of the following best summarizes the author’s main argument?
A ) Senior citizens should fight hard against age discrimination.
B ) The elderly are selfish and taking senior discounts for granted.
C ) Priority should be given to the economic needs of senior citizens.
D ) Senior citizen discounts may well be a type of age discrimination.
答案：
Speed Reading
1.B
2. A
3. D
4. A
5. B
6. C
7. C
8. (sunlight)
9. (toxins)
10. (liver, yeast and dairy products)
Passage one 47 They have more choices.
48 the government
49 Because it is a valuable competitive asset.
50 Switzerland
51 Electronic shoppers
Passage Two DDCCB
Passage Three ACBCD
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