2022年人教版九年级上册英语同步教案Unit 6 When was it invented 第二课时 Section A (3a-4c).docx

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1、第二课时 Section A （3a-4c）o目标导航类别课时要点重点单词ruler九统治者;支配者remain u.保持不变;剩余smell九气味也发出 气味;闻到national q力国家的;民族的trade .贸易;交易也做买卖;从事贸易 doubt九疑惑;疑问u.怀疑fridge九冰箱low M低的;矮的somebody pnm.某人几重要人物translate也翻译lock u.锁上;锁住几锁ring仇（使）发出钟声或铃声;打 earthquake 地震sudden q的.突然（的）bell九钟（声）;铃（声）biscuit九饼干cookie .曲奇饼musical。力.音乐的;有音

2、乐天赋的instrument几器械;仪器;工具重点短语take place发生;出现fall into=drop into 掉入 without doubt毫无疑问;确实 all of a sudden 突然;猛地 at a low price以低的价格重点句型l.Many people believe that tea was first drunk about 5,000 years ago.很多人认为最 早饮用茶是在大约5000年以前。2.It is said that a Chinese ruler called Shen Nong was the first to discover

3、tea as a drink.据说一位叫神农的中国统治者最早发现了茶可以饮用。重点句型3.In England,tea didnt appear until around 1660.在英国，直到大约 1660 年才出现 茶教学重点1 .让学生掌握本课时的重点单词、短语和句型，并能熟练运用。2 .让学生能够通过阅读练习来提高阅读能力。3 .让学生进一步熟练掌握一般过去时的被动语态。教学难点1 .让学生能够运用被动语态谈论创造。2 .让学生掌握一般过去时的主动语态和被动语态之间的转化。教学过程预习指导一方法指导1 .预习Page 43-44上的生词，根据音标能读出这些词,并掌握其词性和汉语意思。2

4、 .朗读3a中的文章，找出重点句子。3 .大声朗读和翻译Grammar Focus中的句子，画出重点短语和句型。二 预习检测单项填空(A)l.When Tim why he was late for school,he just kept silent.A.was asked B.askedC.was asking D.is asked(A)2.You have to stay behind if your homework before five oclock.A.isnt done B.wont be doneC.doesnt doD.wasnt done(C)3.A report us

5、on how to deal with our problems last Monday.A.is given B.was givingC.was given to D.was given(D)4.一Tell me one thing youre proud of your junior high school,Tony.一I as captain of the school football team.A.choose B.choseC.am chosenD.was chosen(D)5.一Was table tennis invented by the Chinese?一No.lt in

6、China until the start of the 20th century.A.played B.was playedC.didnt play D.wasnt played课堂教学Step 1 Leading in1 .Greet the class.2 .Talk about tea with the students:T:How many kinds of drinks do you know?Can you name some?What,s the most popular drink in China?How many kinds of tea do you know?Step

7、 2 Work on 3a-3c.Let the students look through the title of the passage and guess what it is about.1 .Help the students understand the demand in 3a and finish the task.Then check the answers together.2 .Make the students read the passage carefully and answer the questions in 3b,then check the answer

8、s.3 .Ask the students to work on 3c.Look through the words and sentences with the students,and then let them write down their answers.When they finish,ask some students to read the whole sentences one by one.Step 3 Work on Grammar Focus.Ask two students to read aloud the sentences in the Grammar Foc

9、us.1 .Get the students to sum up the rules of changing active voice into passive voice.Step 4 Work on 4a.Use PPT to show the five sentences and get the students to rewrite them according to the example.1 .Check the answers with the whole class.Step 5 Work on 4b1 .Go over the instruction in 4b and ma

10、ke sure the students understand what they should do.Ask the students to look through the sentences and choose the correct forms of the verbs.2 .Ask the students to write down their answers and then let them exchange and correct their partners9 work.3 .Check the answers together.Explain some difficul

11、t points.Step 6 Work on 4c.Go over the instruction in 4c.Ask the students to look through the passage and choose the correct forms of the verbs.1 .Let the students write down their answers.While the students are writing,walk around to help them.2 .Ask one student to read the passage.Check the answer

12、s with the whole class.3 . Ask the students to read the passage aloud.教学反思本课时的主要任务是阅读，课堂活动进展较为顺利。通过设问引导学生通过快速阅读文章, 回答与茶有关的问题，逐渐获取语篇信息。适当让学生进行口头表达，巩固练习了语言结构。在 被动语态的教学上虽然事前考虑到学生理解被动语态的难度，提供了例句供学生观察，并设计了 情景帮助学生理解记忆，但是由于一些学生不熟悉句子基本结构，搞不清楚句子成分，导致他们 无法正确使用被动语态。另外，让学生做观察总结练习时，未能给学生充分的时间思考，强行往下 进展，影响了教学效果。在今后的教学中,还应多考虑教学实际并结合学生的情况合理安排课程。