【答案与解析】本文是一篇说明文。大阪都市大学研发番茄采摘机器人,首创“采摘难度评估”系统,成功率81%,未来将实现人机协作的精准农业新模式。28.A细节理解题。根据第一段“..meaning robots must identify and remove only the ripe fruit while leaving unripe tomatoesattached to the vine.Doing this reliably requires careful judgement and precise control.”可知,用机器人收获西红柿的困难在于机器人必须做出判断,只能收割成熟的西红柿。29.D推理判断题。根据第四段“The model represents a shift in focus from the traditional‘detection/recognition’model to whatFujinaga calls a‘harvest ease estimation'.”可知,Fujinaga的机器人采摘模式代表了研究焦点从传统的“检测/识别”模型,向“采摘难易度估算”模型的转变,即把采摘机器人的设计理念以“方便采摘”为目标。3O.B细节理解题。根据第五段“Around one quarter of those successful picks involved tomatoes collected from the right or left sideafter earlier attempts from the front had failed,indicating that the robot adjusted its strategy when it encountered difficulty.",在Fujinaga模式的81%成功率中,有四分之一是通过改变机器人的采摘角度(方向)实现的。3l.C推理判断题。根据最后一段“Fujinaga said..‘This is expected to introduce a new form of agriculture where robots and humanscollaborate.”可推断,Fujinaga认为,有关方面的研究将会带来一个全新的人机合作实现农业自动化采摘的新时代。