单项选择题

What is the purpose of this class discussion

A．To discuss the results of the lab experiment.
B．To answer Bob’s question about the lab experiment.
C．To explain the method of collection by water displacement.
D．To prepare the students to do the lab experiment.
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单项选择题
Good Faith Medical Center is advertising for registered nurses because________.
A．it is a new hospital and needs nurses to begin its program
B．several nurses have left recently for better jobs
C．it is receiving more patients now and needs more nurses to care for them
D．it is not in a good location and it is very difficult to get nurses to come here
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According to the author, New Yorkers are quite _________ its fellow man.
A．sympathetic with
B．indifferent to
C．cruel and cold to
D．friendly with
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