单项选择题

A．Exploration of the oceans.
B．Sophisticated method.
C．Satellite tracking technology.
D．Measuring devices.
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单项选择题
A．$10.00.B．$ 38.00.C．$19.00.D．$ 40.00.
A．$10.00.
B．$ 38.00.
C．$19.00.
D．$ 40.00.
单项选择题
A．Fill out an application.B．Go back to the university to get his ID.C．Go to see his friend.D．Take a written exam and an eye exam.
A．Fill out an application.
B．Go back to the university to get his ID.
C．Go to see his friend.
D．Take a written exam and an eye exam.
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