单项选择题

Many houses in the north are warm in winter because they are ______ so that the heat is not lost.

A．insulated
B．insulted
C．imitated
D．initiated
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单项选择题
It is well known that knowledge is the ______ condition for expansion of mind.
A．incompatible
B．incredible
C．indefinite
D．indispensable
单项选择题
In the first round of the FA cup most of the amateur teams were ______ from the competition.
A．withdrawn
B．diminished
C．abandoned
D．eliminated
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