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【单选题】

The past two years have seen a ________ of TV channels.

A.
integration
B.
distribution
C.
declination
D.
proliferation
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参考答案:
参考解析:
.
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举一反三

【单选题】What he did was __________ of acceptable behavior.

A.
out of range
B.
within the bounds
C.
beyond the scope
D.
out of bounds