单项选择题

To their credit the Department of Energy ______ these ideas and funded a detailed study.

A．took over
B．took on
C．took up
D．took to
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单项选择题
There is an increasing ______ to make movies describing violence.
A．strength
B．direction
C．tradition
D．trend
单项选择题
A．on toB．in toC．intoD．up to
A．on to
B．in to
C．into
D．up to
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