单项选择题

Passage Two
Questions 30 to 32 are based on the passage you have just heard.

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．They both enjoyed watching the game.B．People were surprised at their winning the game.C．They both felt good about the results of the game.D．The man thought the results were beyond their expectations.
A．They both enjoyed watching the game.
B．People were surprised at their winning the game.
C．They both felt good about the results of the game.
D．The man thought the results were beyond their expectations.
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The main purpose of this passage is to ______.
A．explore the sociological roots of terrorism and enhance the international cooperation to fight against it
B．defend terrorism as a heroic deeds
C．praise terrorism for its heroic deeds
D．demonstrate the damages done by terrorism
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