单项选择题

In most cases, you have to use the chemicals within ______.

A．limits
B．borders
C．ranges
D．care
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单项选择题
Most people believe that the Iraq problem is ______ a military one.
A．nothing from
B．anything from
C．nothing but
D．anything but
单项选择题
The European Community says it will consider using force ______ is needed for peace keeping in the region.
A．what
B．that
C．such
D．so
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