不属于自然排烟方式的是（）。
A、排烟风机送风
B、开启外窗
C、利用室外阳台
D、设置外墙排烟窗
参考答案：A
_____ 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
护法运动
