单项选择题

______ the passage of light, many new plastics are processed using technologies rivaling those used in the manufacture of computer chips.

A．For the better of
B．Permitting better
C．To better permit
D．It is better for
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单项选择题
If drug abuse, prostitution, pollution, environmental decay, social inequality, and the like ______, more is required than an increased police presence or a fresh coat of paint.
A．are to eliminate
B．are eliminated
C．are to be eliminated
D．are being eliminated
单项选择题
Recognizing the shortage of time available to spend with their children, working mothers sometimes take ______ in the concept of quality time .
A．refuge
B．pride
C．place
D．action
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