Unit 13 Section A (3a-4c)（word教案）-【优翼·学练优】2025-2026学年九年级英语下册同步备课（人教版）

该教案聚焦初中英语环保主题，核心知识点包括cruel、harmful等词汇，be harmful to、take action等短语，重点句型及时态复习（现在进行时、used to do等）。课堂导入通过头脑风暴环保问题和角色扮演2d对话，搭建旧知（环保话题）与新知（鲨鱼保护阅读）的学习支架，引导学生自然过渡。 特色在于以合作探究为主线，融合语言能力与思维品质培养。如3a阅读结合图片分析鲨鱼濒危原因，4c小组合作撰写环保报告，提升分析解决问题能力与语言表达。多媒体辅助教学，活动设计多样，助力学生综合运用知识，培养环保意识，也为教师提供清晰教学路径，提升课堂效率。

The Second Period—Section A(3a－4c) Teaching Important Points　【教学重点】 　Key words & phrases： 　cruel，harmful，industry，law，scientific，afford be harmful to，at the top of，the food chain，take part in，turn off，pay for，take action 　Key sentences： 　1.Many have heard of shark fin soup. 　2.If their numbers drop too low，it will bring danger to all ocean life. 　3.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 　4.So far，no scientific studies have shown that shark fins are good for health，so why eat them? 　Key structure： 　Review of tenses：be＋doing；used to＋do；have/has＋done；be＋done；should＋do Teaching Difficult Points　【教学难点】 　★Practice the structures to talk about pollution and environmental protection in reading. 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．Brainstorming Quickly ask questions about how to protect the environment.Like this： What are your ideas for solving the air/waste pollution problem？… 3．Ask students to role－play the conversation in 2d. ★Step 2　Cooperative inquiry　【合作探究】 1．Finish the task in 3a ①Talk about the protection of endangered animals in our country. ②Show pictures of sharks. Ask questions and think about these things： What do you know about sharks? Do you know sharks are endangered？Why? What might have caused a fall in the number of sharks? Discuss with students and present the new words.shark，fin，method，be harmful to，the food chain，ecosystem ③Quickly read the article and check their answers to these questions.Help students to learn the new items. ④Pay attention to the details of the passage.Get the students to find the sentences that have the information about the fact sheet. 2．Finish the task in 3b ①Read the instructions.Scan the five sentences with blanks. ②Read aloud the passage carefully.Fill in the blanks on their own. ③Check the answers.Show the complete sentences on the board.And read aloud them.Discuss the use of the conjunctions：so，although，if，but，when. ④Play the recording for the students to read aloud the passage. 3．Finish Grammar Focus ①Read aloud the sentences in the grammar frame until fluently.Think about the tenses，modal verbs，the structure of used to，and the passive voice. ②Ask students to say how to use the tenses，the structure of used to，modal verbs and the passive voice. ③Give some exercises.Practice with students. 4．Finish the task in 4a ①Students read the dialogue and get the main ideas of it. ②Get the students to fill in the blanks with proper verb forms. ③Ask some students to read aloud the complete conversation.All the class check the answers.Then role－play the conversation in two halves. 5．Finish the task in 4b ① Read aloud the model verbs in 4b.Understand the meaning of them. ②Students read the passage quickly and get the main idea of it.Show the sentences for the students to choose： A．People can do big things to save the earth. B．Saving the earth begins with small things. C．Plastic bags should be forbidden in stories. ③Students finish the task and discuss in pairs. ④Check the answers with individual students.Ask them to read aloud the complete sentences.Then the class read aloud the passage. 6．Finish the task in 4c ①Give advice on how to finish the task.Get students to discuss in groups of four，each having a role. ②Discuss in groups.Write down their list of things. ③Write a report to tell the class how to protect the environment.Report to class.Try to avoid repetition. ★Step 3　Homework 1．Collect words and expressions about environmental protection and tell others about it in English after class. 2．Write a report to tell the class how to protect the environment. 3．Translate the following sentences into English. (1)这里以前是又脏又窄的街道。 ________________________________________________________________________ (2)你们听说过鱼翅汤吗？ ________________________________________________________________________ (3)这不仅很残忍而且对环境有害。 ________________________________________________________________________ Board Design　板书设计 Unit 13　We're trying to save the earth! Section A(3a－4c) cruel，harmful，industry，law，scientific，afford，be harmful to，at the top of，the food chain，take part in，turn off，pay for，take action so，although，if，but，when be＋doing；used to＋do；have/has＋done；be＋done；should＋do Teaching Reflection　【教学反思】 　　　In this period，we should review the present progressive tense，present perfect tense，passive voice，modal verbs and the structure “used to” in reading and speaking activities.We will learn some new words and expressions about environmental protection in language learning，so it is necessary to get the students to pay enough attention to the new words and try to collect more of them. When we deal with the grammar，we should know how the students learn them and get them to practice in different kinds of exercises.Students should practice grammar in different activities.And we'd better give them some written work after speaking and reading. 学科网（北京）股份有限公司 $