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. She is learning how to teach minority students.B. She is learning how to make sound judgments.C. She is learning to perceive, not to judge.D. She is learning English and Drama.
A. She is learning how to teach minority students.
B. She is learning how to make sound judgments.
C. She is learning to perceive, not to judge.
D. She is learning English and Drama.
单项选择题
A. She will return it to the store. B. She will have it checked.C. She will refer to the book. D. She will have it replaced.
A. She will return it to the store.
B. She will have it checked.
C. She will refer to the book.
D. She will have it replaced.
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