单项选择题

Civilization consists ______ having a constructive attitude.

A．of
B．on
C．about
D．in
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单项选择题
His body temperature has been ______ for three days, the highest point reaching 40.3℃.
A．uncommon
B．disordered
C．abnormal
D．extraordinary
单项选择题
The weather may not be fine tomorrow, in ______ case we'll have to put the trip off.
A．this
B．which
C．that
D．whose
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