下列属于资源市场调查内容的是
A、资源市场的环境
B、资源市场的规模
C、初步供应商调查
D、资源市场的性质

多项选择题辛亥革命之所以失败，从主观方面来说，在于它的领导者资产阶级革命派本身存在着许多弱点。主要是（）。

单项选择题Why did the trick-or-treaters vandalize the house in the past times on Halloween night? A. Because no treats were produced. B. Because the treats met with their disapproval. C. Both A and B. D. Neither A nor B.