当生产经营单位的生产工艺和技术发生变化时，应急预案( )。
A．应当废弃不用
B．可以免于重新备案
C．应当及时修订
参考答案：C
As I will be away for at least a year, I'd appreciate from you now and then me how everything is
getting along. [ ]
A. hearing; tell
B. to hear; tell
C. hearing; telling
D. to hear; to tell
稳定战略包含的类型有( )。
A．清算战略
B．无变化战略
C．维持利润战略
D．暂停战略
E．谨慎实施战略
