Why do earthquakes worry people so much？
A. Because they can't be predicted.
Because they happen very often.
C. Because they kill more people than other disasters do.
提交投标文件的投标人少于（）个的，招标人应当依法重新招标。
期权按照标的物不同,可以分为金融期权与商品期权,下列属于金融期权的是()
Ⅰ利率期货Ⅱ股票指数期权Ⅲ外汇期权Ⅳ能源期权Ⅴ农产品期权
A. Ⅰ，Ⅱ，Ⅲ
B. Ⅲ，Ⅳ
C. Ⅱ，Ⅲ
D. Ⅱ，Ⅳ，Ⅴ
微信支付 
支付宝支付