1.答案是declare。2.declare英 [dɪˈkleə(r)] 美 [dɪˈkler] 公布;宣布;宣告 to say sth officially or publicly例句:(1)The government has declared a state of emergency.政府已宣布进入紧急状态。(2)Germany declared war on France on 1 August 1914.德国在1914年8月1日向法国宣战。(3)The government has declared war on (= officially stated its intention to stop) illiteracy.政府已宣布要扫除文盲。3.declare的同义词包括state, indicate, announce, claim, proclaim, publish