Why are workers with pension plans more confident about retiring comfortably？
A. Because they have a more positive attitude toward life.
Because they are more optimistic than those without such plans.
C. Because their pension plans are profiting at a high profit rate.
D. Because they are expected to get more pension.
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Jennifer Donelson has found in her study that______.
A. reef-dwelling fish can grow better as soon as they migrate to warmer waters
B. parents of the sample clownfish were gathered from the Great Barrier Reef
C. the ocean temperature will rise to 3℃ at the end of the century
D. the metabolic rate of some fish can be enhanced in warmer temperatures
It can be inferred that______.
A. female managers should adjust their own behavior. in workplace
B. men must avoid masculinity to strengthen the team cohesiveness
C. men should keep a higher share of bonus for their female leader
D. men should face up to women"s achievement and their masculinity
In order to adapt to warmer waters, some kinds of fish______.
A. switch their genes on and off
B. have to have a better swim ability
C. slow down their growth rates
D. don"t need to pay any price
According to the author, when climate changes, some kinds of fish may______.
A. have a better physical condition
B. have to leave for cold waters
C. alter its genes before extinction
D. have a higher production rate
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