湖北省黄石市2014
高考英语阅读理解训练题（20）及答案 科普知识型阅读理解(二) (一) plants have family values, too, it seems, with new research suggesting they can recognize close relatives in order to work together. an ability to tell family from strangers is well known in animals, allowing them to cooperate and share resources, but plants may possess similar social skills,
