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

Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.

改写病句：OneofJenny’greatestsjoysinlifeiseatingdesserts.Suchasmilkshake,cookiesorstrawberrycake.

Theoceansdonotsomuchdividetheworld_______uniteit

英语翻译：academicexchanges