单项选择题

A．value
B．ratio
C．rate
D．speed
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单项选择题
A．anotherB．otherC．one anotherD．the other
A．another
B．other
C．one another
D．the other
单项选择题
A．measuresB．measuredC．Is measuredD．was measured
A．measures
B．measured
C．Is measured
D．was measured
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