Unit 6 Section B 1a-1e 教案 2023-2024学年人教版英语九年级全册

Unit 6　When was it invented?Section B (1a-1e) 教学课题 Section B (1a-1e) 核心 词汇 Important words:crispy,salty,sour,customer Important phrase:by mistake 核心 句式 1.—Did you know potato chips were invented by mistake? —Wow,I didn't know that.Who invented them? 2.The customer thought the potatoes were not thin enough. 3.Finally he put lots of salt on them so they were salty enough. 技能与策略 学习要点 1.能够通过听、说学习与食物有关的词汇。 2.让学生通过阅读,学会用一般过去时的被动语态描述发明史。 教学 重难点 1.重点单词及短语:sour,by mistake。 2.学会用一般过去时的被动语态对更广泛的发明进行描述。 教学过程 ◆Step 1　Warm-up Look at some delicious food.Ask students how they think of them. 设计意图 通过课前的一个师生问答互动引入新课的话题;通过图片的展示和语言的描述创设了情境,激发了学生的学习兴趣和表达欲望。 ◆Step 2　Talking 1a & 1b Work on 1a 1.Tell students that the words in the box describe how food can taste.Write them under the correct pictures.Some pictures have more than one word.( 2.Students work with their partners and try to write some proper words under the pictures. 3.Let some students read their answers.Try to remember the new words. Work on 1b 1.Let some students read the adjective words in the box.Make sure they all know the meaning of each word. 2.Students discuss with their partners.Try to write the names of different kinds of food after each adjective word.( 3.Read the new words together. ◆Step 3　Listening 1c & 1d Work on 1c 1.T:Show a picture and ask students:Do you like potato chips?How do they taste?Do you know when and how they were invented? 2.Let students read the sentences in 1c.Make sure they know the meaning of each sentence. 3.Play the recording for the students.Listen for the first time.Play the recording again and judge the sentences T or F. 4.Check the answers together.( 教学过程 Work on 1d 1.Let students read the article in 1d first.Tell them to listen for two times and fill in the blanks with the right words. 2.Check the answers together.( 3.Ask the students to read out the passage. ◆Step 4　Pair work 1e 1.Work in pairs.Make a conversation about the invention of potato chips.Use the informatio