单项选择题

Which of the following best describes the organization of this passage

A．A procedure is explained and its significance is emphasized.
B．A problem is examined and solutions are given.
C．Two contrasting views of a problem are presented.
D．Recent pharmacological advancements are outlined in order of importance.
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单项选择题
It can be inferred from the passage that _________.
A．the best way to overcome a bad mood is to talk to oneself
B．when one is in a bad mood, he or she may not work very efficiently
C．some drugs are more effective than physical exercises
D．a person can make a big profit if he is in a good mood
单项选择题
According to the passage, all of the following are true, but _________.
A．moods can have an influence on people's emotions
B．aerobic exercise can help people better use oxygen
C．swimming, walking, or running is an efficient cure for a bad mood.
D．scientists have provided people with many tranquilizers
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