单项选择题

It was an allusion to what the scientist thought was an inappropriate distribution of funds for stem cell research.

A．reference
B．contradiction
C．explanation
D．rejection
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单项选择题
Many people in Wales have an affinity with music.
A．reputation for
B．solubility in
C．tincture in
D．attraction to
单项选择题
The low interest rates on banks loans provided an impetus for many to buy homes.
A．incentive
B．obstacle
C．reason
D．delay
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