课件编号10422203

Unit 6 When was it invented? SectionA 1a-1c 课件(共29张PPT)

日期:2024-05-02 科目:英语 类型:初中课件 查看:72次 大小:1234432Byte 来源:二一课件通
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Unit,When,was,it,invented,SectionA
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(课件网) Section A Period 1 (1a—1c) When was it invented Unit6 compass printing paper-making gunpowder Compass was invented in Warring States Period. It was invented by Chinese. It was used for traveling and sailing. Paper-making was invented in Eastern Han. It was invented by Cai Lun. Paper was used for writing. Printing was invented in Song. It was invented by Bi Sheng . It was used for making books. Gunpowder was invented in Han. It was invented by Chinese. It was used in wars. 1a Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4](1=first,4=last) 1 2 3 4 1b Listen and match the inventions with the years. a b c d When was the ...invented 1876 1885 1927 1971 a c b d 1927 Matching 1885 1876 1971 The telephone was invented in (1)_____ The TV (television) 1885 1971 Fill in the blanks (2)_____ (3)_____ (4)_____ 1876 The car 1927 The computer 1c Pairwork A: When was the … invented B:I think it was invented in …. computer 1971 car 1885 TV 1927 telephone 1876 A: What is it used for B: It is used for… When was it invented It was invented in… Who was it invented by? It was invented by… iphone 6 2014年 Jobs(乔布斯) When was it invented It was invented in… Who was it invented by It was invented by… iphone 5 2012年 Jobs(乔布斯) When was it invented It was invented in… Who was it invented by It was invented by… iphone 4 2010年 Jobs(乔布斯) was/were invented in + 年份 在某某年被发明 was/were invented by + 人 被某某人发明 The hybrid(杂交) rice(不可数名词) was invented by Yuanlongping. 如果主语是_____ 或者 _____时,be动词用 was; 如果主语是_____时,be动 词用 were。 可数名词单数 不可数名词 可数名词复数 1, 一般过去时的被动语态,以invent为例 be invented by+人 由…人发明 be invented in+年 在…年被发明 2, 当主语为不可数名词或者可数名词单数 时,be动词用was;当主语为可数名词 复数时,be动词用were。 Conclusion Language points (一般过去时的被动语态的结构为“was/were + 及物动词的过去分词”)。 eg: These trees were planted last year. The car was bought yesterday. 1.invent做动词,意为“发明,创造”,指发明以前没有的新东西。当物做主语时,常用被动语态。was invented意为“被发明”,此结构为一般过去时的被动语态。 invention名词,意为“发明物”;inventor名词,意为“发明家,发明者”。 eg.:Edison, a great inventor, invented many great inventions during his life. 2.They are used for seeing in the dark. be used for doing sth.表示“被用来做某事”。与be used to do sth. 同义。表示用途、目的。 e.g. This computer is used to control all the machines. 这台电脑是用来控制所有机器的。 Do you know what this tool is used for 你知道这个工具是用来做什么的 used to do sth. 过去常常做某事 used to be 过去是/过去怎么样 be /get used to sth./doing sth.习惯于某事、干某事 Passive voice of the past tense 一般过去时的被动语态 肯定形式:主语+ +其他 否定形式:主语+ +其他. 一般疑问形式: +主语+ +其他 特殊疑问形式: 特殊疑问词+ +主语+ +其他 Summary was/were done was/were no ... ...

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