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
The good news to both sides of the debate is that ______.
A．an infected majority didn't sense any tick biting
B．one dose of antibiotics may prevent the infection
C．doxycycling is strong enough to end the infection
D．antibiotics live up to their reputation to cure Lyme
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