我国审计监督体系的组成内容包括（）。
A.专项审计
B.国家审计
C.内部审计
D.独立审计
参考答案：B, C, D
_____ that the government can lead them out of the financial crisis, people are optimistic about the future of the country.
A．Convincing
B．Convinced
C．To convince
D．Having convinced
换热器内设置挡板是为了提高管外流体流速，提高传热速率。
