单项选择题

Questions 29 to 31 are based on the passage you have just heard.

A．Forty hours.
B．Less than forty hours.
C．About seventy hours.
D．Less than twenty-five hours.
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单项选择题
A．Take a course.B．See the city.C．Go to the park.D．Take a rest.
A．Take a course.
B．See the city.
C．Go to the park.
D．Take a rest.
单项选择题
A．Gathering non-relevant materials.B．Stealing another person’s ideas.C．Sharing note with someone else.D．Handing in assignments late.
A．Gathering non-relevant materials.
B．Stealing another person’s ideas.
C．Sharing note with someone else.
D．Handing in assignments late.
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