单项选择题

A．Scientists and philosophers had never studied the human body and its functions.
B．Many of the ideas and theories that people used to accept were all incorrect.
C．People used to accept ideas and theories.
D．People used to accept undoubtedly many of the ideas and theories, correct and incorrect.
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单项选择题
A．The man wants to obtain an international driver’’s license that he can use both in the U.S. and in his country.B．The man wants to take a driver’’s test to get an Arizona driver’’s license.C．The man wants to know whether he can use his international driver’’s license in Arizona.D．The man wants to fill out an application for an Arizona driver’’s license.
A．The man wants to obtain an international driver’’s license that he can use both in the U.S. and in his country.
B．The man wants to take a driver’’s test to get an Arizona driver’’s license.
C．The man wants to know whether he can use his international driver’’s license in Arizona.
D．The man wants to fill out an application for an Arizona driver’’s license.
单项选择题
Nature’’s ways of maintaining the balance are simple and easily understood.
A．Y
B．N
C．NG
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