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.
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单项选择题
A．Because she feels very hot in the room.B．Because she wants to avoid meeting people.C．Because she wants to smoke a cigarette outside.D．Because she doesn’t like the smell of smoke inside.
A．Because she feels very hot in the room.
B．Because she wants to avoid meeting people.
C．Because she wants to smoke a cigarette outside.
D．Because she doesn’t like the smell of smoke inside.
单项选择题
A．She Was too busy to remember if she had returned them.B．She didn’t return them in fact.C．She gave them to the landlord to return.D．She did return them but somehow the library made a mistake.
A．She Was too busy to remember if she had returned them.
B．She didn’t return them in fact.
C．She gave them to the landlord to return.
D．She did return them but somehow the library made a mistake.
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