Kelly is very _______ her new Mp4 and sh

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问题选择题

Kelly is very _______ her new Mp4 and she is always telling everyone about it.

A. known as
B. proud of
C. interested in
D. famous for

答案

答案：B

填空题

液压传动中，最重要的参数是（）和（），二者的乘积则是（）。

判断题

知识产权的客体是智力成果和其他相关的工商业成就。