单项选择题

A．Average tuition costs increased by 9 percent.
B．Average tuition costs increased by 15 percent.
C．Average tuition costs increased by 90 percent
D．Average tuition costs increased by 150 percent.
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单项选择题
A．An overall rise in blood pressure and heart rote.B．There is no change in blood pressure and heart rate.C．A drop in blood pressure but a rise in heart rote.D．An overall drop m blood pressure and heart rote.
A．An overall rise in blood pressure and heart rote.
B．There is no change in blood pressure and heart rate.
C．A drop in blood pressure but a rise in heart rote.
D．An overall drop m blood pressure and heart rote.
单项选择题
A．He is a college professor.B．He is in the a computer company.C．He is in the advertising business.D．He is a computer specialist.
A．He is a college professor.
B．He is in the a computer company.
C．He is in the advertising business.
D．He is a computer specialist.
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