单项选择题

A．5,400,000 years.
B．65,000,000 years.
C．8,400,000 years.
D．75,000,000 years.
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单项选择题
The article deals with the employment of the future in the United States.
A．Y
B．N
C．NG
单项选择题
A．Its largest expansion took place during that period.B．Its role in society went through a dramatic change.C．Small universities combined to form bigger ones.D．Provincial colleges were taken over by larger universities.
A．Its largest expansion took place during that period.
B．Its role in society went through a dramatic change.
C．Small universities combined to form bigger ones.
D．Provincial colleges were taken over by larger universities.
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