单项选择题

The American society is______ an exceedingly shaky foundation of natural resources, Which is connected with the possibility of a worsening environment.

A．established on
B．affiliated to
C．originated from
D．incorporated with
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单项选择题
The story that follows______ two famous characters of the Rocky Mountain gold rush days.
A．scrapes
B．states
C．proclaims
D．relates
单项选择题
Her shabby clothes were often made______ by her classmates.
A．mock
B．misfortune
C．laughter
D．fun
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