气体灭火系统的控制方式一般有自动控制、电气式的手动控制和机械应急操作控制（）种。
参考答案：3
布洛芬缓释胶囊需进行
A．溶出度的测定B．释放度的测定C．片重差异检查D．崩解时限检查E．均匀度检查
The teacher took ____ the lesson where she stopped and finally she set_____ a few minutes to let us discuss it.
A．up; up
B．up; aside
C．out; about
D．on; back
