#2016年职称英语理工类C级阅读判断精选(4) 搜索结果
WhereHaveAlltheBeesGone?Scientistswhostudyinsectshavearealmysteryontheirhands.Allacrossthecountry,honeybeesareleavingtheirhives(蜂巢)andneverreturning.Researcherscallthisphenomenoncolony-collapse(群体瘫痪)
