1Ifthistech的精选

问题详情： 词汇；根据下面每句句意、汉语提示或英语解释，写出空白处所缺单词的正确形式，每空一词。1.Ifthistechnologyis________(成功),humanbeingscouldlivelonger.2.Agroupofscientistshavebeentryingto________(解决)...