九下英語書unit 9課件

1、九下英語書unit 9課件下面是小編收集整理的九下英語書unit 9課件，希望對您有所幫助!如果你覺得不錯的話,歡迎分享!一、教材分析本單元主要是以談論過去的發(fā)明創(chuàng)造為主線，圍繞一般過去時的被動語態(tài)展開教學的。通過談論幾項重要發(fā)明的歷史及用途，開拓學生的思路，培養(yǎng)學生創(chuàng)造精神，并學會運用一般過去時的被動語態(tài)。本節(jié)課的教學內(nèi)容為sectionA 1a至Grammar Focus.結構分Groupwork，Listening，Pairwork，Grammar Focus四部分,一課時完成。二、設計思路1.提倡自主學習，積極主動地參與學習。教師課前布置任務，學生通過上網(wǎng)、查書籍等方式查找古今中外發(fā)明

2、創(chuàng)造的相關材料。2.重視課堂實踐。將豐富的教學資料融于交際活動，使學生樂于參與，主動思考，提高語言表達能力，具體方法是根據(jù)教材內(nèi)容設計多種課堂活動方式吸引學生參與，使他們成為課堂的主人，從而達到教學目的。3.將合作探究的方法應用于語法的學習，從初步接觸一般過去時被動語態(tài)形式到運用交際對話來演練這種結構的句型，再到由學生合作探究，通過觀察、發(fā)現(xiàn)、討論和探究，進而總結出一般過去時的被動語態(tài)的構成，構建出自己的知識體系。三、教學目標1.知識與技能：(1)掌握詞匯及其用法;(2)學會談論重要發(fā)明的歷史及用途;(3)學習一般過去時的被動語態(tài);(4)提高學生聽力水平和語言交際能力。2.情感態(tài)度與價值觀：(

3、1)通過我國古代的四大發(fā)明這些成就教育學生熱愛祖國，并能為我國的悠久歷史感到自豪;(2)培養(yǎng)學生的創(chuàng)造精神，鼓勵學生立志成為一名發(fā)明家。四、教學重、難點1.教學重點：(1)一般過去時的被動語態(tài)，包括它的構成及用法;(2)熟練掌握本課所學的句型結構。2.教學難點：(1)掌握本課聽力內(nèi)容;(2)運用所學句型結構來談論重要發(fā)明的歷史及用途。五、教學過程1.Step1.Lead inT: Dear children，we all know，in the morden world there are many useful inventions in our life.You have found so

4、me information about them，lets play a game，I say some information about the inventions and you please tell me what they are，OK?”設計說明：游戲會立刻引起學生的興趣，利用教師的描述來猜出某項發(fā)明創(chuàng)造，既練習了學生的聽力、反應速度，又引出了本課的部分詞匯，為新課的導入做了鋪墊。2.Step2.Groupwork (Activity 1a.)(1)T: Students，Have you finished your homework about the useful inv

5、entions? OK，very good!Now lets see some pictures of the inventions. You can talk about them according to the following questions: Whats the most useful invention?Who invented it?When was it invented?What is it used for?Why do you think it is the most useful invention?(2)Check the results of the disc

6、ussion.Ask one or two students to talk about their own opinions.The teacher points something out.設計說明：由猜謎游戲過渡到教學內(nèi)容sectionA1a，通過布置這個小組活動，既檢查了學生的作業(yè)完成情況，又鍛煉了口語交際能力。在討論中，每個人都可以從以上幾方面來談論自己感興趣的.發(fā)明創(chuàng)造，利用1a中所提供的交際用語，初步使用了一般過去時的被動語態(tài)形式。3.Step3.Listening practice (Activity 1b.)(1)T: Please look at the picture，t

7、his is Alice and this is her grandma，they are talking about when the things above were invented. Now listen to the tape and match the inventions with the dates in your books.(2)Play the recorder，then ask one student to say his answer.設計說明：對話中的艾麗斯是個與學生年齡相仿的小女孩，她對于現(xiàn)代生活中的一些非常熟悉的用品究竟是何時發(fā)明的并不完全了解，這一點與學生的

8、經(jīng)歷相似，因此通過圖片展示及情境說明會使學生產(chǎn)生強烈的好奇心，急于想了解到這幾種用品的發(fā)明時間。通過聽力訓練，既提高了學生的聽力水平，又增長了他們的課外知識。4.Step4.Pairwork (Activity 1c.)Show the conversation in 1c on the big screen. Give students two tasks:(1)T: Students，look at the conversation，A and B are talking about when the things were invented. Do you know the answer

9、s?Now please work in pairs，practice the conversation.(2)By practicing the conversations, students can use the target language to make conversations fluently. S o havestudents work in groups to observe, discuss , find and summarize the structure of the passive voice of the past indefinite tense.At la

10、st they can grasp the important points in this class.設計說明：通過結對練習對話，學生已經(jīng)能夠熟練運用本節(jié)課的目標語言，掌握了一般過去時被動語態(tài)的表達方法，提高了交際水平。學生之間討論、探究進而得出結論，既掌握了語法又提高了自主學習的能力。5.Step5.Listening practice (Activity 2a, 2b.)Show the pictures in 2a and 2b on the big screen，they will attract studentsattention. The students will be at

11、tracted deeply and want to know when the inventions were invented.At this time，teacher show another drill: What is it used for?Its used for.(1)T:Do you know what the strange things are?What are they used for? Who were they invented by?Now lets listen to the conversation，then you can know the answer.

12、(2)Have students listen to the conversation and complete the task in 2a and 2b.(3)Check the answers.設計說明：利用學生的好奇心理將圖片展示出來，用神秘而又富有啟發(fā)性的語言來激起學生的求知欲，從而使他們積極而又認真地去聽錄音。6.Step6.Pairwork (Activity 2c.)By using the target language “What are they used for?They are used for.”to practice conversations.設計說明：運用交際

13、語言“What are they used for?They are used for.”進行對話練習，使學生進一步掌握句型結構，突破了本節(jié)課的教學難點。7.Step7.Grammar Focus(1)Have students read and translate the sentences.(2)Stress the structure and using ways of the passive voice of the past indefinite tense.設計說明：教師通過概括一般過去時被動語態(tài)的構成及用法，使學生由感性認識上升到理性認識。8.Step8.SummarizeSum

14、marize the important points in this lesson.設計說明：進一步強化本節(jié)課的重點內(nèi)容，讓學生來歸納小結，培養(yǎng)其歸納能力和自主學習能力。9.Step9. Design the group activity(Give a chance to students to practice and understand further about the target language and grammar.)T:List several inventions in our classroom orin your home，then discuss in group

15、s to talk about the inventions. Fill the chart below:inventionswhowhenBe used for設計說明：通過這項活動，使學生對本節(jié)課的新知識、新技能得到鞏固，同時還進一步練習了說和寫的能力。10.Step10.HomeworkLook up some information after school. To know about the history of the four great inventions in our country. Be proud of the long history. Choose one in

16、vention from them and introduce it by writing a composition. Ask students to use the language structure in this class.練習句型轉換1.The water is used for watering the flowers (對劃線部分提問)_ _the water used for ?2.The students clean the room every day .(改為被動語態(tài))The room _ _by the students every day .3.The computer was bought by my father last month (改為主動主態(tài))My father _ the computer last month.4.I was asked to play the piano .( 對劃線部分提問)_ _ you _to do ?5.This kind of telephone was invented in 198