债券投资所具有的优势包括（）
A.效益型
B.流动性
C.安全性
D.时效性
参考答案：A, B, C, D
--- What on earth are you doing here?
--- Can’t you see I’m trying to ____the garage ____ a recreation room.
A, transform; from B. transform; into change; into D. turn; into
战略管理的特点？
change; into D. turn; into