Unit 6 Section A 1a-1c 课件 2024-2025学年人教版英语九年级全册

Unit 6 When was it invented? Section A (1a—1c) 学习目标 1. 掌握一般过去式的被动语态:was/were + invented, 掌握固定短语:be used for。 2. 通过听1b,完成听力任务,并会运用句型: —When was sth. invented? —I think it was invented in …. —Who was it invented by? —It was invented by… —What are they used for? —They are used for…来谈论发明物的时间, 人物和用途。 Revision What are they made of? They are sky lanterns. What are they? Who invented sky lanterns? They are made of bamboo and paper. Zhuge Kongming invented them. Sky lanterns were invented by Zhuge Kongming. And they were used for asking for help in the past. 3 Warming-up What are the Four Great Inventions in ancient China? Think and Say: 4 Four ancient inventions in China. compass gun powder paper making We should be proud of being Chinese people! movable type printing [ k mp s] n. 罗盘 [ pa d (r)] n. 粉末 [ mu:v bl] adj. 可移动的 5 Modern Inventions car television telephone computer light bulb battery 6 Guessing: What is it? telephone Bell 1876 Telephone was invented by Bell in 1876. Look and say A: When was the computer invented? B: It was invented in ... A. 1876 B. 1885 C. 1927 D. 1971 【教学目的】 1、通过听音匹配,了解提到的发明物发明的时间。 【讲稿内容】 【1】When was the computer invented? 【2】(点击动画)It was invented (点击动画)in nineteen seventy-one. 8 Look and say A: When was the television invented? B: It was invented around ... A. 1876 B. 1885 C. 1927 D. 1971 【教学目的】 1、通过听音匹配,了解提到的发明物发明的时间。 【讲稿内容】 【1】Third, when was the television invented? 【2】【学生可能回答】(点击动画)It was invented around(点击动画) nineteen twenty-seven. 【3】Excellent. 9 Look and say A: When was the telephone invented? B: It was invented in ... A. 1876 B. 1885 C. 1927 D. 1971 【教学目的】 1、通过听音匹配,了解提到的发明物发明的时间。 【讲稿内容】 【1】The last one, (点击动画)when was the telephone invented? 【2】【学生可能回答】(点击动画)It was invented (点击动画)in eighteen seventy-six. 【3】Excellent. 10 1a Look at the things below. Discuss them with your group. A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. A: When was the car invented? B: It was invented in 1885. A:Was the car invented before/after theTV? B:Yes,it was. / No, it wasn‵t. 1876 1885 1927 1971 Discussing 1b Look at the picture and years and predict the answer to 1b. _ 1876 _ 1885 _ 1927 _ 1971 a b c d Pre-listening 13 1b Listen and match the inventions with the years. While-listening _ 1876 _ 1885 _ 1927 _ 1971 a b c d d a c b The...was invented in.... 14 Listen and match the inventions with the years. 1876 1885 1927 1971 When was the ...invented? a b c d d a c b Listening Practice 1. When were the cars invented? A. In 1876. B. In 1885. C. In 1927. 2. What was invented in 1876? A. The telephone. B. The TV. C. The car. 3. When were the personal computers invented? A. In 1885. B. In 1927. C. In 1971. While-listening 1b Listen again and answer the questions. 本模板由小政用心设计,欢迎购买。支持正版。字体来源:经典行书简、华文新魏。(版权归字体设计方所有);图片来源:可商用图片,版权归原作者所有;小政用心设计带内容的实用模版。 16 GroupworkGroupwork A: What is this? B: It is a /an_. A: When was it invented? B: I think it was invented in _ . A: Was it invented in_? B: Yes,_. / No,_. 1870 1760 1564 1788 2007 The passive voice 被动语态 主动语态变被动语态的结构图: Bell invented the telephone. The telephone was invented by Bell. 主语 谓语动词过去时 宾语 主语 谓语动词的过去分词 宾语 be + done 19 1. 贝尔于1876年发明了电话机。 Alexander Graham Bell _ the telephone in 1876. 2. 电话机在1876年被贝尔所发明。 The telephone _ _ _ Alexander Graham Bell in 1876. Exercises invented was invented by ——说课:完成教学后,设置了两道检测题检测教学效果,检测学生是否已经掌握手性异构体的要点和手性分子的结构。 ——上课:1.下来说法不正确的是(C) 解析:手性异构体互为镜像,不能重叠,组成和原子排列完全相同,所以ABD正确,C错误。答案选C。 19 把下列句子变成被动语态的句子。 3.They planted these trees on weekends. These trees _ _ on weekends. 4.The workers built the bridge in 1968 _ _ _ built by the workers in 1968. 考考你 were planted The bridge was be + done A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. A:When was the telephone invented? B:I think it was invented in 1876. Summary Homework Make more conversations as 1c after class. 58983.41 $$