单项选择题

All parts of this sewing machine are ______ so that it is very simple to get replacements for them.

A．maximized
B．minimized
C．optimized
D．standardized
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She always handles the problems ______ her own experience and principles.
A．in the light of
B．in the event of
C．in the face of
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单项选择题
Your exam results ______ my expectations, and you have to work harder.
A．fall on
B．fall back
C．fall though
D．fall short of
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