单项选择题

Mario was awarded the medal for displaying professional ______ of the highest order in the rescue attempts two weeks ago.

A．solution
B．supervision
C．intelligence
D．competence
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单项选择题
Mary and John took a long time in saying good night in order to postpone the ______ of parting.
A．jealousy
B．relief
C．anguish
D．appreciation
单项选择题
Some one has said that a man's history begins about one hundred and fifty years before his birth, or words ______.
A．in any case
B．to that effect
C．in a sense
D．to the contrary
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