单项选择题

What seems to be the man’s problem

A．He can’t sleep at night.
B．He can’t find a quiet place to study.
C．He can’t narrow down his research topic.
D．He can’t find enough information for his research paper.
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单项选择题
How long has the woman being studying in state college
A．Since the fall.
B．Since the summer.
C．For a year and a half.
D．For three years.
单项选择题
What will be the main purpose of the show
A．To demonstrate the latest use of computer graphics.
B．To raise funds for public television programming.
C．To explain the working of human brain.
D．To increase membership in professional medical societies.
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