根据决策对象和决策内容的不同，概括起来可以分为（）和计量决策法两大类。
A、主观决策法
B、计量决策法
C、调查决策法
D、专家决策法
参考答案：A
Beijing, ______for hosting the 2008 Olympic Games, ____its first loop (圈) of green belt around the downtown, ____an area of 102.3 square kilometers, in the past three years.
A．prepared; built; covered
B．preparing; built; and covered
C．which prepares; building; covers
D．preparing; built; covering
在资本主义世界化伊始，国家之间的关系即被打上了（）的烙印。
A.竞争
B.合作
C.开发
D.发展
