Whatarethecharacteristicsofgoodwritings?
在发生人感染H7N9禽流感确诊病例的县(区)内，应当在病例确诊后开展为期()的强化监测
句子写作：Youalwaysremainavictim
_______isknowntoall，Chinawillbean_______powerfulcountryin20or30years’time.
Thereistheappreciationofthesalienthistoricaltruth________theagingofadvancedsocietieshasbeenasuddenchange
