In Brazil, the football World Cup moves into its second day later, _____________________________________________________ Officials from football's governing body and the Brazilian government have expressed their satisfaction with the opening day. A study into the behavior of Crayfish suggests they can experience anxiety. Researchers in France found that when Crayfish were stressed they hid away in dark areas of their tanks, but when given an anti-anxiety drug, they moved into more exposed areas. The study is the latest to suggest that crustaceans may feel pain. Some experts say the seafood industry may need to reconsider how it treats the creatures. BBC News. 此次巴西世界杯的第二天就出现了小高潮,______________________________________足联官员和巴西政府都对此次的开幕比赛表示满意. 一项小龙虾行为研究显示,小龙虾会感到焦虑.法国研究学者发现,当他们感受到压力时,他们会缩在水池中阴暗的角落,但食用抗压抑药物后,他们就会游到到更开放的区域.这项最新研究表明甲壳动物能感受到痛感.一些专家称水产行业需要重新考虑应如何对待这些生物.BBC 新闻.