Unit 2 Topic 3 Section A课件2023-2024学年仁爱科普版九年级英语上册

Unit 2 Saving the Earth Topic 3 Section A 学习目标 预习检测 知识梳理 课堂总结 学习 导航 重点探究 当堂检测 能掌握连词and，or，but与while 1 2 能从“减量”“再使用”和“再循环”的角度谈论保护环境 学习目标 1.Don’t run in the classroom, ______ you may hurt yourself.  A.and　　　　　 B.or　　　 C.but　 　　D.so 2.My job is ______ you English. A.to teach B.teaching C.teach D.teaches 预习检测 B A 3.We should use ______ sides of paper. A.neither B.both C.all D.either 4.Can you tell us__________? A.what you do yesterday B.what you are doing C.what are you doing D.what you are doing yesterday 5.They study hard______they can go to good universities. A.such that B.in order to C.in order D.so that B B D 知识梳理 Key points 1. We all know that you’re working for an organization that protects the environment. 我们都知道你在为一个环保组织工作。 ※ that you’re working for an organization中that 引导的是宾语从句。作动词know的宾语。that protects the environment中that引导定语从句。修饰前面的organization。 ※ work for…为……工作, 为……坚持不懈地努力 Eg. We should work for peace. Key points 2. My main job is to help spread the message about protecting the environment. 我的主要工作是帮助宣传有关环保方面的信息。 ※ My job(task/aim/hope/dream/…) is to do sth.此句型为不定式作表语，常表示主语的工作、任务、目标、愿望、梦想等未来的行为。 Eg：Her main job is to teach them English. ※ help为动词，意为帮助,可跟不带to的不定式或带to的不定式 句式： help sb.(to) do sth.帮助某人做某事 Eg. Could you help me (to) open the door? Key points 3. So we encourage students to collect waste paper and soft drink cans. 所以我们鼓励学生们收集废纸和软饮料瓶。 encourage作动词，意为“鼓励”。 encourage sb.to do sth.意为 “鼓励某人做某事”。 eg: Our teacher often encourages us to speak English as much as possible. Key points 4. Then we sort them so that they can be recycled. ※ sort 作动词时意为 “整理、归类、分拣”; 作名词时相当于kind, 意为 “种类”。 sort out 分类,整理 all sorts of 种种, 各种各样的 a sort of 一种 eg: We must sort out the good apples from the bad ones. 我们必须把好的苹果与坏的分开。 ※ so that意为“为了，以便”引导目的或结果状语从句， so that相当于in order that / in order to The three R's — reduce, reuse and recycle Do you know differ