单项选择题

A．Searching for reference material.
B．Watching a film of the 1930s’’.
C．Writing a course book.
D．Looking for a job in a movie studio.
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单项选择题
A．Unexpected.B．Awful.C．Exciting.D．Calm.
A．Unexpected.
B．Awful.
C．Exciting.
D．Calm.
单项选择题
A．To see how certain chemicals produce different flavors.B．To determine if a person can distinguish salty and sweet solutions.C．To map the location of taste buds.D．To count the number of taste buds.
A．To see how certain chemicals produce different flavors.
B．To determine if a person can distinguish salty and sweet solutions.
C．To map the location of taste buds.
D．To count the number of taste buds.
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