单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．The Helicopter.
B．The Advantages of the Helicopter.
C．The Disadvantages of the Helicopter.
D．The Uses of the Helicopter.
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单项选择题
A．13 million.B．30 million.C．14 million.D．40 million.
A．13 million.
B．30 million.
C．14 million.
D．40 million.
单项选择题
A．Relax.B．Fidget.C．Lie perfectly still.D．Make more eye movements.
A．Relax.
B．Fidget.
C．Lie perfectly still.
D．Make more eye movements.
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