Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
sever – v. to cut off (something) : to remove or separate (something) by cutting
participation – n. involvement with others in doing something: the act of taking part in an activity or event with others
deadline – n. a date or time when something must be finished : the last day, hour, or minute that something will be accepted
expire – v. to end : to no longer be valid after a period of time
headline – n. the title written in large letters over a story in a newspaper
insurgency – n. a usually violent attempt to take control of a government : a rebellion or uprising
