知识产权是由()构成的。
参考答案:工业产权;著作权
Are there______ books in the bag? No, There aren't _____ books in it, but there are_____ pens in it. [ ]
A. any, any, some
B. any, some, any
C. some, any, any
每组剪刀撑的设置必须由底到顶连续设置。()