It _____ long before we _____ the result of the experiments. [ ]
依次填入下列各句横线处的成语,最恰当的一组是 ( )①消防工作必须立足于_____,从提高公众的防火意识做起。②即使现有的产品杨销,也要_____,抓紧技术储备与新产品开发。③如果我们不从小事做起,_____,那些细小的苗头最终可能酿成大祸。
The ________ resources and stable policy provide them with the advantages of developing theirbusinesses.[ ]
Not until _________ did man accept thatfact that all living things must die.
ath toll of the quake in New Zealand is_____ 150, but officials say the figure won’t stand because they are stillgetting information in