单项选择题

Questions 19 to 21 are based on the conversation you have just heard.

A．To help him explain information to his roommate.
B．To help him write a paper.
C．To prepare for a test.
D．To tell her if notes are accurate.
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单项选择题
A．We should eat more meat than vegetables.B．We should eat more vegetables than meat.C．We should eat different kinds of vegetables.D．We should eat fruit, fish, meat and vegetables.
A．We should eat more meat than vegetables.
B．We should eat more vegetables than meat.
C．We should eat different kinds of vegetables.
D．We should eat fruit, fish, meat and vegetables.
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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