第28题: [单项选择]It is implied that ______. A. human beings will become less attractive in the future B. less use of a bodily organ may lead to its degeneration C. human beings hope for a change in the future life D. future life is always predictable 参考答案:B 答案解析:从人类身体变化可以看出,经常使用的器官部位,如大脑和手指将变得发达。而不常用的器官会退化,比如头发脱落。