实物出资
参考答案：
是指股东以有形财产出资，如机器、厂房、建筑物等。
环境管理体系二级要素有（）个。
A．10
B．7
C．17
D．5
One reason that criticism has been leveled at derivatives and derivatives markets is that:()
A. derivatives have too much default risk.
B. markets for derivatives seldom function efficiently like a stock exchange.
C. they are complex instruments and sometimes hard to understand.
