题目内容

简述《巴黎公约》所确立的专利保护的基本原则。

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The Great Barrier Reef is included on the World Heritage list because()

A. it has the most beautiful seascape in the world
B. it has the greatest number of islands in the world
C. it has the most diverse and complex marine life in the world
D. it has the longest coast in the world

有毒作业分级主要采用毒物危害程度级别、有毒作业劳动时间、毒物浓度超标倍数三个指标来衡量有毒作业的危害条件,共分为()个级别,即()

A. 四;Ⅰ级Ⅱ级Ⅲ级Ⅳ级
B. 五;Ⅰ级Ⅱ级Ⅲ级Ⅳ级Ⅴ级
C. 五;0级Ⅰ级Ⅱ级Ⅲ级Ⅳ级
D. 四;0级Ⅰ级Ⅱ级Ⅲ级

直接筹资

历史唯物主义的基本内容。

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