单项选择题

A．What kind of medicine to develop.
B．When to advertise the drugs.
C．How to promote their products.
D．The regulations of medicine advertising.
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单项选择题
A．He takes things very seriously.B．He knows the woman well.C．He doesn’ t have good hearing.D．He doesn’ t pay attention to people’ s words.
A．He takes things very seriously.
B．He knows the woman well.
C．He doesn’ t have good hearing.
D．He doesn’ t pay attention to people’ s words.
单项选择题
A．In the early 1800s.B．Several decades after its break.C．In 1861.D．In 1865.
A．In the early 1800s.
B．Several decades after its break.
C．In 1861.
D．In 1865.
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