Unit 13 第4课时 Section B(2a－2e)-【名校作业】2025-2026学年九年级下册英语同步教案（人教版）

The Fourth Period—Section B(2a－2e) Teaching Important Points　【教学重点】 　Key words & phrases： 　gate，bottle，president，work，metal throw away，put sth. to good use，pull…down，bring back 　Key sentences： 　1.Have you ever thought about how these things can actually be put to good use? 　2.Nothing is a waste if you have a creative mind. 　3.He is known for using iron and other materials from old cars to make beautiful art pieces. 　Key structure： 　Review of the tenses. Teaching Difficult Points　【教学难点】 　★Understand prefixes and suffixes. Teaching Aids　【教学工具】 　A tape recorder，CAI or multimedia courseware. Teaching Steps　【教学过程】 ★Step 1　Leading in　【新课导入】 1．Greeting 2．Review Ask students some questions： What can we do to help save the earth? Have you ever recycled books or papers? ★Step 2　Cooperative inquiry　【合作探究】 1．Finish the task in 2a ①Work in groups. Look at the title and the pictures in 2b. What is the passage about？Can you guess？Discuss in groups and prepare the new words for the coming reading. ②Ask individual students to talk about this.The teacher gives suggestions.And lead to the reading. 2．Finish the task in 2b ①Ask：what can you see in the pictures？What is it/are they made of？Do you think it's a good way to protect the environment？While talking with the students，the teacher can present new words and expressions. upside down，iron，work，metal，creativity ②Read the paragraphs quickly and understand their main ideas. ③Read the passage again.Finish the chart in 2b. And underline the sentences in the passage. ④Check with the class. 3．Finish the task in 2c ①Read the phrases in the box in 2c. Then find them in the passage. Learn their meanings. ②Read the sentences in 2c and understand them. Finish the task of filling. Get the students to read out the complete sentences and check their work. 4．Finish the task in 2d ①Read the strategy in the box in 2b. Teach prefixes and suffixes. ②Get the students to find words based on these given words in the passage. Write down the words and tell their meanings. rethink，reuse，unusual actually，building，creative，recently，environmental，importance，protection，inspiration especially ③Ask how these prefixes and suffixes affect the meaning. Give more roots for the students to form new words. agree happy polite possible honest friendly China care help home use hope friend neighbor 5．Finish the task in 2e ①Read the instructions. What need to be done to save the environment？Make a list. ②Students work in groups. Discuss the following： Which things can be done by individual people? Which things have to be done by government and organizations? ③One student from each group reports the opinions to the class. ★Step 3　Homework 1．Read aloud the passage in 2b until fluently and learn the new words and expressions in it. 2．Write down the list of things we can do or have to do to protect the environment in the exercise books. 3．Translate the following sentences into English. (1)我们可以变废为宝。 ________________________________________________________________________ (2)他善于利用废旧物品。 ________________________________________________________________________ (3)这些花是由废弃的塑料瓶制作的。 ________________________________________________________________________ Board Design　板书设计 Rethink，Reuse，Recycle! rethink，reuse，unusual actually，building，creative，recently，environmental，importance，protection，inspiration especially Prefixes：re－ un－ dis－ in－/im－/il－ Suffixes：－ly－ful－less－ness－ship－ese－er/－or－y－al－hood－ing－ed－tion－sion－tive－ment agree happy polite possible honest friendly China care help home use hope friend neighbor Teaching Reflection　【教学反思】 In the reading period, students accept a large amount of information besides they learn new words and expressions and structures. So today they will learn how to help save the earth. What can we do and what do the government and organizations have to do to protect the environment？It is a good time to train the students' ability of reading quickly and efficiently.While reading，students learn the main and the most important ideas as quickly as they can.They can also learn something about prefixes and suffixes. 学科网（北京）股份有限公司 $ Section B第4课时（1a〜1e) 自主学习方案 1.学生自学生词，并记住单词拼读和拼写。 2.预习课本，找出重点短语和句式。 3.读记后完成作业。 课堂导学方案 Step1 情景导入 老师利用多媒体工具呈现一些有关环境污染、交通拥挤、浪费水电等的画面，引导学生谈论画面中的现象。 The traffic is so heavy. It causes air pollution. So what should we do? We shouldn’t waste water and electricity. What should we do?…并把学生的答语写在黑板上。 1.We should take buses more. 2.We should turn off the light when we leave the room. 3.We shouldn’t use paper napkins. 4.We should recycle books and paper. 5.Turn off the shower while we are washing our hair. 6.We stop riding in cars. … 环节说明：通过多媒体呈现画面，自然、生动、具体地引出本课的话题及重要句子，同时拓展了学生的知识面，很自然地导入本节课的内容。 Step 2完成教材1a〜1e的教学任务 1.要求学生翻开课本P101，迅速阅读1a部分的内容并按要求完成课本上的相应任务。然后要求5〜 8名同学给出自己的答案，教师可以与学生一起讨论答案。 2.完成1b的任务。阐述他们的观点并依照1b 的对话形式编写对话。老师请2〜3组同学朗读他们的对话。 3.听第一遍录音，完成课本上1c部分的任务 。 4.听第二遍录音，完成课本上1d部分的任务。 5.让学生模仿1e方框中的对话练习编写对话，并请3〜4组同学展示他们的对话。（参考1c方框中的信息） 6.小结训练 (1)It’s hard to stop (stop) driving. (2)We shouldn’t use (use) paper napkins. (3)Take your own bags when shopping (shop). (4)Saving (save) endangered animals is very important now. My uncle is a greener. He stopped using paper napkins last year. 环节说明：听、说、读、写相结合锻炼了学生的语言综合运用能力。 Step3 问题探究 ( B ) You look tired! You should stop your work and have a good relax! A. to do B. doing C . to doing Step 4 家庭作业 完成课后提升作业。 教学反思 本课时语言点较少，主要是训练学生的听说能力，在教师的指导下进行了有效的训练，同时也设计了笔试作业。 学科网（北京）股份有限公司 $