单项选择题

Waste paper and glasses could be ______ while most plastic could not.

A．rectified
B．recycled
C．recruited
D．recurred

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单项选择题

I don't think the charge for overhauling the equipment is excessive in ______ to its size.

A．correspondence
B．equation
C．proportion
D．dimension

单项选择题

Her successful jump brought a ______ cheer from the crowd.

A．spontaneous
B．homogenous
C．simultaneous
D．instantaneous

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