单项选择题


A．Neither
B．Never
C．Either
D．Whether
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单项选择题
A．observationB．captureC．phenomenonD．process
A．observation
B．capture
C．phenomenon
D．process
单项选择题
The American Statistical Association ______.
A．is converting statistical study from an art to a science
B．has an excellent record in business forecasting
C．is neither hopeful nor pessimistic
D．speaks with mathematical exactitude
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