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课件网) Unit 8 I love nature! 七下英语 JJ 第1课时 Lesson 1 Why are plants important 1. 知识目标： New words：cycle, soil, carry Structures and expressions: be made from, play a part in, carry...away Pronunciation：语调 Sentences：Indeed, we can’t live without plants! It’s a pleasure to walk in the forest. 2. 能力目标：能用所学单词短语等描述植物的重要性。 Learning goals Warming up Plants clean the air. Plants also play a part in the water cycle. Do you know the function of plants 1 Talk with your partner about plants. A Do you think plants are important B What can plants do to help nature Give some examples. Pre-listening Yes. They are important for us and animals. Plants can clean the air and produce oxygen for us. 2 Listen to the conversation and tick the main idea. Li Ming: I love the forest. There are so many trees and plants here. The air is fresh. Wang Mei: Trees and other plants are important for us. Li Ming: Yes, you are right. Plants clean the air. They give us food like fruits and vegetables. Some medicine and clothing are also made from plants. While-listening 2 Listen to the conversation and tick the main idea. Wang Mei: The forest is important for animals, too. Many animals live in the forest and eat leaves and fruits from the trees. Li Ming: Plants also play a part in the water cycle. And they cover the soil. That way, the wind and water don’t carry the soil away. Plants make the world look beautiful. Wang Mei: Indeed, we can’t live without plants! While-listening 2 Listen to the conversation and tick the main idea. While-listening √ It’s a pleasure to walk in the forest. We can’t live without plants. Trees and animals are part of our life. 1. Some medicine and clothing are also made from plants. （教材 P100 2） be made from 由……制成 【辨析】be made of, be made from, be made in与 be made by Language points be made of 意为“由······制成”，通常指通过制成品可以看出原材料。 The two bridges are made of wood. 这两座桥是木制的。 be made from 意为“由······制成”，通常指通过制成品看不出原材料。 The wine is made from rice.这酒是用稻米酿造的。 Language points be made in 意为“在（某地）制造”，后面接地点名词。 This mobile phone is made in China.这部手机是在中国制造的。 be made by 意为“被······制造”，后接制造者。 The cake was made by my mom. 这个蛋糕是我妈妈做的。 Language points 2. Plants also play a part in the water cycle.（教材 P100 2） play a part in 在······中扮演角色 play a part in 后接名词、代词或动词-ing形式。其中part 作名词，意为“角色”，相当于role。 He plays an important part in the new movie. 他在这部新电影中扮演一个重要的角色。 Language points 【拓展】 play a part in 还有以下两种意思： （1）发挥作用 Everyone can play an important part in society. 每个人都可以在社会中起重要作用。 （2）参加，参与 Everyone should play a part in the “ Clean Plate Campaign” and say no to food waste. 每个人都应该参与“光盘行动”, 对食物浪费说不。 Language poin ... ...
