下列资产中，体现能力最强的是（）。
A.无形资产
B.长期股权投资
C.固定资产
D.交易性金融资产
参考答案：D
用所给单词的正确形式填空。
1．Mrs. Green was tired after her ________(day) work.
2．Excuse me. Where is the ________(man) Room?
3．There are two ________(library) in the city.
4．The ________(key) to the doors are on the table.
5．This exercise is ________. I can do it ________(easy).
某分部工程双代号网络计划如下图所示，其关键线路有（）条。
A．2
B．3
C．4
D．5
