2014
高考英语阅读理解抓分练习题（38）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, scientists believe.
