赞题库-背景图
单项选择题

Did you notice the ______ on the doctor's face when he heard that Kino had found the pearl of the world

A．appearance
B．expression
C．description
D．look
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热门试题

单项选择题Taxation in Roman days apparently was based on ______.

A．wealth
B．mobility
C．population
D．census takers

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