单项选择题


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

A．He’s studying for a test.
B．He lost his notes.
C．He missed the class.
D．He’s doing research on alternative.
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单项选择题
A．It preserves the vitamins.B．It breaks down the vitamins.C．It makes the meat easier to digest.D．It reduces the protein content.
A．It preserves the vitamins.
B．It breaks down the vitamins.
C．It makes the meat easier to digest.
D．It reduces the protein content.
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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