( )
A. They need time to make preparations.
B. They haven’ t started their careers yet.
C. They need to save enough money for it.
D. They haven’t won their parents’ approval.
( )
A. Expressing ideas and opinions freely.
B. Enriching social and intellectual lives.
C. Acquiring information and professional knowledge.
D. Using information to understand and solve problems.
( )
A. Traveling to different places in the world.
B. Playing games that challenge one’s mind.
C. Improving mind-reading strategies.
D. Reading classic scientific literature.
( )
A. Participate in debates or discussions.
B. Expose themselves to different cultures.
C. Discard personal biases and prejudices.
D. Give others freedom to express themselves.
( )
A. Why dogs can be faithful friends of humans.
B. The nature of relationships between dogs.
C. The reason a great many people love dogs.
D. How dogs feel about their bonds with humans.
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