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
______ she realized she was in great danger.
[A] No sooner the gangster took out the gun than
[B] It was not until the gangster took out the gun that
[C] Scarcely had the gangster took out the gun that
[D] Hardly did the gangster took out the gun that
单项选择题
A．soldB．is soldC．sellsD．sells to be
A．sold
B．is sold
C．sells
D．sells to be
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