the world health organization gave a warning to the public withou_英语解答

the world health organization gave a warning to the public without any()when the virus of H1N1hit mexico in april ,2009

人气：448 ℃　时间：2019-11-24 08:05:49

解答

A.delay
当H1N1病毒袭击墨西哥的时候,
世界卫生组织没经一点耽搁地向公众发布了一个警告.