单项选择题


Questions 19 to 22 are based on the conversation you have just heard.

A．New foods to try when traveling.
B．Making reservations for the best travel.
C．Avoiding gaining weight while traveling.
D．Adjusting to time changes when traveling
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单项选择题
Why could Adam Smith be the last economist as the face on a bank note
A．No economic thinker could be more honorable.
B．Cash is very versatile and enduring.
C．We will not need money in the near future.
D．Electronic money will replace cash in the future.
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