多项选择题
专利文献中常见的几种人有（ ）。
- A．申请人
B．发明人
C．专利权人
D．委托代理人
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未知题型
求教：2016年计算机一级考试WPS选择题7如何解答？
A.生产厂家预先写入的
B.计算机工作时随机写入的
C.防止计算机病毒侵入所使用的
D.专门用于计算机开机时自检用的 -
单项选择题
In which one of the stages of moral development do individuals stick to rules to avoid physical punishment and follow rules only when doing so is in their immediate interest? A、preconventional stage B、conventional stage C、principled stage D、post-conventional stage -
未知题型
Commercials create che sensation of loudness because____________________.A.TV stations always operate at the highest sound levelsB.their sound levels are kept around peak levelsC.their sound levels are kept in the middle frequency rangesD.unlike regular programs their intensity of sound varies over a wide range
A.A.TV
B.their
C.their
D.unlike
