单项选择题

After years of hard work, these researchers have at last discovered a new ______ to cancer treatment.

A．approach
B．method
C．channel
D．route
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单项选择题
She is______kind a girl that all of us like to make friends with her.
A．such
B．that
C．so
D．what
单项选择题
If you speak slowly and clearly, the students will______the meaning.
A．take on
B．take down
C．take in
D．take back
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