单项选择题

The survival ______ of some wild animals is not very high as they are ruthlessly hunted for their skins.

A．standard
B．scale
C．ratio
D．rate
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单项选择题
I think it was all fixed up by lawyers or ______ arranges adoptions.
A．someone
B．anyone
C．whoever
D．those
单项选择题
Soccer is the most truly international team sport, hut there is still some question ______ whether it should be called a game or open warfare.
A．as to
B．due to
C．in addition to
D．owing to
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