单项选择题

Questions 31 to 34 are based on the passage you have just heard.

A．To move the muscles.
B．To carry different messages.
C．To protect the nerves.
D．To control nerve cells.
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单项选择题
A．In a theatre.B．In line at a museum.C．In line outside a movie house.D．In the tube.
A．In a theatre.
B．In line at a museum.
C．In line outside a movie house.
D．In the tube.
单项选择题
A．Anyone who is ill.B．Women who need the knowledge of law.C．Both men and women who have problems at work.D．Female students who have problems at college.
A．Anyone who is ill.
B．Women who need the knowledge of law.
C．Both men and women who have problems at work.
D．Female students who have problems at college.
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