单项选择题

A. 对 B. 错

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多项选择题

Which of the following are normally included in the cover letter for a submitted manuscript?

A． Thesis title
B． Journal's name
C． Statement of Originality
D． Introduction to the study
E． Conflict of interest statement

单项选择题

下列哪种原件不具有记忆功能

A．编码器
B．D触发器
C．计数器
D．RS触发器