一般外伤伤口的处理应（）。
A、立即涂抹抗菌素饮膏
B、立即清冼伤口
C、不需敷药，立即用消毒敷料包扎
参考答案：C
The factory which I visited yesterday was not the one I once worked. [ ]
A. where
B. which
C. what
D. that
变换水循环的建立步骤。
