单项选择题


A．confused
B．mixed
C．empty
D．blank
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单项选择题
Civilization consists ______ having a constructive attitude.
A．of
B．on
C．about
D．in
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
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