摘要
本篇适合：拓展知识面同学们,上期我们学了动物的奇闻趣事,这期我们来了解植物的趣闻吧。
Why are plants green？Most plants are green because of a pigment called chlorophyll.This substance gives plants their green colour,and captures energy from the sunlight.Chlorophyll enables plants to make food with the use of sunlight.
