A.2:1
B.16:1
C.4:1
D.1:16
答案:B
The old man sat in front of the television every evening, happy ________ anything that happened to be on.[ ]
A. to watch
B. watching
C. watched
D. to have watched
以下属于限定性集合资产管理计划的资产投资方向的有( )。
A.国家重点建设债券
B.股票型证券投资基金
C.在证券交易所上市的企业债券
D.国债