在水喷雾灭火系统中，离心雾化型水雾喷头适用于扑救( )。
A．腐蚀性环境的火灾
B．A类固体火灾
C．电气火灾
D．可燃性气体火灾
参考答案：C
He suggested that we ______ the plan later, which suggested that he ______ against it. [ ]
A. discussed; was
B. would discuss; should be
C. discuss; was
D. should discuss; should be
下颌下间隙脓肿切开引流应做哪种切口（）
A.下颌骨下缘下2cm绕下颌角做弧形切口
B.口内翼下颌皱襞内侧做纵形切口
C.下颌骨下缘下2cm做平行切口
D.口内翼下颌皱襞处做横形切口
E.下颌骨下缘下1cm以内做平行切口
