當前位置:首頁 > 教育 > 關于甲流感的作文 > 正文

甲流英語作文:h1n1并不可怕_1500字
關于甲流感的作文

        According to the World Health Organization circular, US and Mexico has the human to infect A/H1N1 the Type A H1N1 flu epidemic situation. Since March 18, 2009, the Mexican flu type case has assumed the trend of escalation. Up to April 24, Mexico has 3 epidemic situations successively, altogether reported that the case 882 examples, die 62 examples, the case fatality rate 7%, majority of cas    (共 2113 字)     [閱讀本文] >>

開通會員,享受整站包年服務立即開通 >