单项选择题

A．A stormy ocean.
B．Calm water.
C．Golden sand.
D．Little waves.
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单项选择题
Which of the following in support of the finding that people tend to perform worse,...when a reward is involved ( last paragraph )
A．People are not used to being conditioned by prizes.
B．Rewards, like punishments, are attempts to control behavior.
C．Rewards are so indispensable to American cultures.
D．The principle of "positive reinforcement" in not fully enforced.
单项选择题
According to the passage, all the following are the description of today’’s Frenchmen EXCEPT that
A．many of them prefer the modern lifestyle
B．they actually enjoy working at the assembly line
C．they are more concerned with money than before
D．they are more competitive than the old generation
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