Whenwasitinvented

1、When was it invented?Section A 1 (1a-2d)一、教學目標： 1能掌握以下句型： When was the telephone invented? I think it was invented in 1876. What are they used for? They are used for seeing at night. 2. 情感態(tài)度價值觀目標： 了解一些近現代發(fā)明的時間及用途，激發(fā)自己熱愛發(fā)明的情感。培養(yǎng)想象力，善于觀察事物。面對難題，用積極的態(tài)度去解決，發(fā)揮想象力，認識世界，改造世界。 二、教學重難點1. 教學重點：1) 本課時的單詞、詞組和句型

2、，學習運用一般過去時態(tài)的被動語態(tài)。2) 學會詢問發(fā)明時間及用途的基本句型：When was the telephone invented? I think it was invented in 1876. What are they used for? They are used for seeing at night.2. 教學難點：運用一般過去時態(tài)的被動語態(tài)來討論發(fā)明的發(fā)明時間及用途。三、教學過程I. Warming up1. 展示一些近代發(fā)明的圖片與近代發(fā)明的發(fā)明者，讓學生們將圖片與發(fā)明者相連。T: Do you know what these inventions are?S1: It

3、s a car. S2: Its a telephone. S3: Its a television. T: Do you know who these inventors are? S1: Karl BenzS2: Alexander BellS3: J. L. Baird Let Ss match the inventions and the inventors. . Presentation 引導學生們學習一般過去時態(tài)的被動語態(tài)結構。讓學生們看大屏幕的如果愛和發(fā)明者的圖片,并將句子改為被動語態(tài)。如：T: Karl Benz invented the first car in 1885.

4、The first car was invented (by Karl Benz) in 1885. . Talking1. Look at the pictures in 1a. Discuss with your group, in what order do you think they were invented? Try to number them 1-4. 2. Ss discuss with their partners and number the pictures. 3. Talking about the inventions: A: I think the TV was

5、 invented before the car. B: Well, I think the TV was invented after the TV. . Listening (1b). Learning the new words & Listening Look at the pictures then learn the new words.Work on 2a: T: Tell Ss they will hear some interesting inventions. 1. Look at the pictures in 2a. Discuss the things what th

6、ey are used for. 2. Play the recording for the Ss to listen and number the pictures. 3. Play the recording again to check the answers. Work on 2b: 1. Let Ss read the chart below. Explain some main sentences for the Ss. Make sure they know what to do. 2. Play the recording for the Ss to fill in the b

7、lanks. 3. Play the recording again to check the answers. 4. Listen again and fill in the blanks. VI. Pair work (2c)1. Tell Ss to make conversations using the information in 2b. Make a model for the Ss. A: What are the shoes with special heels used for? B: They are used for changing the style of the shoes. 2. Let some Ss make conversations using the information in 2b. 3. See which group does the best. VII. Role-play(2d) 1. Read the conversations and Let Ss read after the teacher. 2. Explain some new words and m