单项选择题

As the contest shows, a placebo is ______.

A．a dummy medication
B．a chronic Lyme patient
C．one peak Lyme month
D．better than an antibiotic
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单项选择题
The word adamantly (in boldface) is closest in meaning to ______.
A．unprejudicedly
B．undoubtedly
C．understandably
D．unyieldingly
单项选择题
How is the experiment with 129 patients related to the argument stated in Paragraph 2
A．It aims to look at the problem from a different perspective.
B．The experiment result shows the contrary to the argument.
C．The experiment result gives a support to the argument.
D．It aims to provide an alternative solution to the problem.
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