Securities证券
参考答案：用来表示各种各样金融资产的术语，如股票、债券、期权、票据等；更确切地说，是用来确立对这些资产的所有权的文件。
如图所示的分子模型（不同颜色、大小的小球代表不同的原子）可以表示的分子是（ ）
A．HCHO
B．CO2
C．NH3
D．CH4
It is a market which sales value might be more than 10 billion yuan.()
A. a market with a sales value that might be
B. a market which might be sales value
C. a market with sale value might be
D. market with sales might be a value
