Thomas Edison He was a great inventor. He had thousands of inventions. He invented …

Presentation on theme: "Thomas Edison He was a great inventor. He had thousands of inventions. He invented …"— Presentation transcript:

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2 Thomas Edison He was a great inventor. He had thousands of inventions. He invented …

3 Because of some great inventions, our life becomes much easier and more comfortable. Many inventions are widely used in our daily life. Unit 9 When was it invented?

4 What inventions are widely used in our daily life? ……

5 Practice: --What’s the …used for? /What are the… used for? --It’s / They’re used for…

6 stamps bookshelves jackets bags glasses mirrors bicycles knives umbrellas keys keeping yourself off rain holding things cutting things drinking water looking at yourself traveling keeping warm sending letters storing books opening and locking the door What are they used for?

7 A: What are light bulbs used for? B: They are used for seeing in the dark. A: Who were they invented by? B: They were invented by Edison. A: When were they invented? B: They were invented in 1879.

8 A: _________________________? B: It is used for riding from one place to another. A:__________________________? B: It was invented by a Frenchman. What is a bike used for? Who was it invented by?

9 A: What is a washing machine used for? B:_____________________________ A: Who was it invented by? B: ___________________an American. It is used for washing clothes. It was invented by

10 a microwave oven 1985 an American 1945an American mobile phones talking with friends everywhere cooking food quickly When was it/ were they invented? Who was it/were they invented by? What is it/are they used for?

11 1b Listen and match the inventions and the dates. ___ 1876 ___ 1885 ___ 1927 ___ 1971 ___ 1976 ___ 1876 ___ 1885 ___ 1927 ___ 1971 ___ 1976 d d a e c b hand held calculators

12 in 1876 in 1971 in 1976 in 1885 in 1927 --When was the…invented? --It was invented…

13 It’s the imagination that makes the world colorful and people have never stopped trying to turn dreams into reality. Thousands of inventions come out every year.

14 shoes with high heels shoes with adjustable heels

15 ice cream scoop heated ice cream scoop

16 battery slippers battery-operated slippers

17 2a Listen and number the inventions in the order that you hear. 3 1 2

18 Invention Who was it/were they invented by? What is is/are they used for? shoes with adjustable heels Chelsea Lanmon scooping really cold ice cream battery- operated slippers Jayce Coziar and Jamie Ellsworth seeing in the dark heated ice cream scoop Julie Thompsom changing the style of the shoes 2b Listen again. Match the inventions with their inventors and uses.

19 Sample dialogues: A: What __________? B: This is a _________ ice cream scoop. A: What ______________? B: It is ___________________________ A: Who ________________? B: ________________ Chelsea Lanmon. is this heated is it used for used for scooping really cold ice cream was it invented by It was invented by

20 The passive voice. 被动语态 英语中动词有主动语态和被动语态两种语态. 主动 语态表示主语是动作的执行者, 被动语态表示主语 是动作的承受者, 在被动语态中动作的执行者有时 用 by 短语表示出来. 构成 被动语态的构成 : 助动词 be+ ( 及物动词的 ) 过去分词 一般现在时 一般过去时 am (is, are) + V.ed was (were) + V.ed {

21 The passive voice. 被动语态 主动语态变被动语态的结构图 : Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语 谓语动词过去时宾语时间状语 主语谓语动词的过去分词 宾语时间状语

22 The passive voice. 被动语态 主动语态变为被动语态的步骤 : 1. 把原主动句中的宾语转换为被动语态的主语. 2. 把动词改为被动形式, 即 “ be + 过去分词 ”. 注 意 be 动词要按新的主语的人称和数进行变化, 时态要和原来的主动语态的时态保持一致. 3. 原来主动语态句中的主语, 如果需要, 就放在 by 后面以它的宾格形式出现. 如果没有必要就可以 省略. 其他的成分 ( 定语, 状语 ) 不变, 句式也不 能变.

23 1.James invented the modern bike in England. 2. Jim planted a tree in his garden. 3.The workers built a tall building in the village. 4.The alarm clock wakes me up every morning. The modern bike was invented by James in England. A tree was planted by Jim in his garden. A tall building was built by the workers in the village. I am woken up by the alarm clock every morning. Practice:

24 用 “invented” 或 “used for” 填空. 1. What are electric slippers _______? 2. Who were shoes with adjustable heels ________ by? 3. When was tea ________? 4. What are microwave ovens _______? 5. When were potato chips ________? used for invented used for invented

25 1. 复习今天所学内容, 熟读课文对话. 2. 背诵 P68-70 单词并抄写 1 次默写 1 次. 3. 作业本 (1)(2).

26 A: Look! This looks so interesting! B: Ah, it’s a great invention of China. A: Really? When ______ it ___________? B: I think it ______ ___________ in Han Dynasty. A: What ______ it ________ for? B: Guess! A: ______ it _______ for holding water? B: No. It _____ _______ for testing earthquakes. A: Wow, it’s really amazing! was invented wasinvented is used Is used isused

27 1.Write Brothers invented the airplane in 1903. 2.Jack’s father allowed him to make his own decision. 3.Many people speak English as the first language around the world. The airplane was invented by Write Brothers in 1903. Jack was allowed to make his own decision by his father. English is spoken as the first language around the world ( by many people).