冀教版八年级下Lesson13课件

Lesson13 Why Are Plants Important? pleasant adj. 使人愉快的 shade n. 　树荫 die v.　　死 (died/died) energy n.　能量 heat n.　热；　ｖ. 加热 bamboo n.　竹子 kilogram n. 　千克 New words Read the text and answer the questions . 1. What are Danny, Jenny and Brian talking about? They are talking about trees and the reason why we need them . 2. Donuts don’t grow on trees, do they? No, they don’t. 3.Why do we need trees ? Clean the air. Give us food. Make and build things with trees . Sit under a tree in the shade. Make books from trees. Many animals live in trees. Cover the soil. Take energy from the sun and make it into food. people and animals need the food to live. Language points 1.It’s pleasant to walk among the trees. 1) pleasant 使人愉快的、有趣 pleased 只用于人不用于物，指某人满足 了自己的愿望而感到高兴 I’m very ________you can come. 2)among 一般用于三者或三者以上之中。 between 一般 用于两者之间。 I sit _________Danny ______Jenny. between and pleased 2.Donuts don’t grow on trees! 辨析：on the tree (on trees) 与in t