Passage Two
30.
A. How to make computers more intelligent.
B. How to increase scientific productivity.
C. Whether humans are getting smarter.
D. Whether video games help improve IQ.
31.
A. People's IQ scores keep rising for the past half century.
B. Average people have lower IQ scores than decades ago.
C. Kids are better at school than the previous generation.
D. Parents are under more pressure than their children.
32.
A. Scientists are more creative.
B. There's no upward trend.
C. New inventions are springing.
D. There's boom in business.

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