政策决定主体要有（）。
A.战略抉择能力
B.统筹全局的能力
C.决断能力
D.识别能力
参考答案：A, B, C, D
Robert is said _______abroad, but I don’t know country be studied in .
A. to have studied B. to study C. to be study D to have been studying
地质异常致矿理论
