单项选择题

All speakers produce summaries of the sessions they gave.
The speakers should write （）

A．a proposal for their session.
B．a brief report about their session.
C．full details of what is in their session.

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单项选择题
How to check the taste?（）

A．by eating them.
B．by eating them and doing chemical analysis.
C．by doing chemical analysis.
单项选择题
What do you check for at the final QC stage? （）

A．check weight
B．check package
C．check weight, package and taste
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