I can swim _____ the river. [ ]
A. on
B. over
C. in
答案：C
In the forest we observed some trees ____the leaves were black with disease.
A．where
B．of which
C．in which
D．whose
公共财政管理采用与企业财务管理( )的分析方法、技术和管理工具来进行资源配置与控制的活动。
A．不同
B．一样
C．相同和不同
D．相似
