A A．analyze information in detail B B．collect information efficiently C C．switch its focus of memory D D．extend its memory duration

A A．helps us identify false information B B．keeps our memory from failing C C．enables us to classify trivial facts D D．lessens our memory burdens

A A．It may reform our learning approach. B B．It may impact our society negatively. C C．It may enhance our adaptability to technology. D D．It may interfere with our conceptual thinking.

A A．requires further academic research B B．is most studied in older adults C C．is reflected in our reading speed D D．depends on our web-surfing habits

A A．our reliance on the Internet will be costly B B．the Internet is weakening our memory C C．memory exercise is a must for our brains D D．our ability to focus declines with age

A A．develop opposite personality traits B B．see the world in an unreasonable way C C．have fond memories of their past D D．show affection for their parents

A A．explores teenagers’ social responsibilities B B．examines teenagers’ emotional problems C C．provides a new insight into adolescence D D．highlights negative adolescent behavior

A A．It results from the wish to cooperate. B B．It is cultivated through education. C C．It is subject to family influence. D D．It tends to peak in adolescence.

A A．overstress their influence on others B B．care a lot about social recognition C C．become anxious about their future D D．endeavor to live a joyful life

A A．Why teenagers are self-contradictory. B B．Why teenagers are risk-sensitive. C C．How teenagers develop prosociality. D D．How teenagers become independent.