单项选择题

A．It went out of use 300 years ago.
B．It was invented after the short bow.

C．It was discovered before fire and the wheel.

D．It is still in use today.
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单项选择题
A．A recipe for a soft drink. B．The medicinal effects of cola. C．The history of cola. D．Soft-drink production.
A．A recipe for a soft drink.
B．The medicinal effects of cola.
C．The history of cola.
D．Soft-drink production.
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