《全国银行间债券市场交易管理办法》规定，债券交易的结算方式有哪四种？
参考答案：
债券交易结算方式包括券款对付、见款付券、见券付款和纯券过户四种。
实行两极多元格局多党制的国家是( )
A．美国
B．新西兰
C．加拿大
D．德国
By 2015, China plans to have its own Global Positioning System ( GPS) _____ more than 30 satellites. [ ]
A. made of
B. made from
C. made up of
D. made out
