单项选择题

‏有一个球形的橡皮膜气球，电荷q均匀地分布在球面上，在此气球被吹大的过程中，被气球表面掠过的点（该点与球中心距离为r），其电场强度的大小将如何变化？‎

A．无变化
B．条件不足，无法判断
C．

D．

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单项选择题

What is the major reason that the Book of Zhuangzi attracts lots of modern Western readers?

A．Because its ideas are contrary to those of the Western philosophical builders.
B．For its thorough naturalism, philosophical subtlety, and sophisticated humor.
C．Because there are many controversial translations for readers all over the world.
D．For its poetic style which has never appeared in the Western literary world.

我国独立董事制度的引入，首先是从（）上市的公司中开始的。

答案：正确答案：赴境外证券交易所