单项选择题

According to American federal government, residents of Hawaii have the longest life ______: 77.2 years.

A．rank
B．scale
C．span
D．scope
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单项选择题
Probability is the mathematical study of the ______ of an event's occurrence.
A．predictability
B．possibility
C．feasibility
D．undeniability
单项选择题
Her sharp ______ of the film in the paper this morning gave rise to a hot discussion.
A．comment
B．resume
C．view
D．review
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