单项选择题


Passage One
Questions 26 to 29 are based on the passage you have just heard.

A．To replace physical therapy.
B．To control brain seizures.
C．To prevent heart disease.
D．To relieve tension.
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单项选择题
A．To drive the train after it is started automatically.B．To start the train and to drive it when necessary.C．To take care of the passengers on the train.D．To send commanding signals to the command spot.
A．To drive the train after it is started automatically.
B．To start the train and to drive it when necessary.
C．To take care of the passengers on the train.
D．To send commanding signals to the command spot.
单项选择题
A．10 points.B．2 points.C．15 points:D．5 points.
A．10 points.
B．2 points.
C．15 points:
D．5 points.
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