英語Whenwasitinvented課件21.ppt

1、Unit 9 When was it invented?,Section A,Four great inventions in ancient China: Paper-making(造紙術(shù)） Compass（指南針） Printing（印刷術(shù)） Gunpowder（火藥）,Find out the new words,invent,n.,v.,inventor,invention,calculator,n.計(jì)算器,scoop,n./v. 勺子，用勺子舀,Adjustable heels,可調(diào)整的鞋跟,battery,n.電池,pl. batteries,operate,v.操作，手術(shù),n.,

2、operation,slipper,n.拖鞋,heat,v.加熱,light bulb 電燈泡,microwave oven 微波爐,The many all his life.,inventor,invented,inventions,What order do you think they were invented? Number them15,1,2,3,4,5,1a,Listen and match the inventions with the dates.,a,b,c,e,1b,Explanation,年份的讀法：兩位在一起讀。 eg. 1976 1900 2000 Read t

3、he following years 1745 1305 246,nineteen seventy-six,nineteen hundred,two thousand,seventeen forty-five,thirteen and five,two hundred and forty-six,-When was - invented?,-I think it was invented in -,1927,1976,1971,1876,1c,PAIRWORK,Listen and number the inventions in the order you hear them.,1,2,3,

4、2a,Listen again and match the items in columns A, B and C.,2b,Practice conversations like this,When was - invented? It was invented in-. Who was it invented by? It was invented by-? Whats it used for ? Its used for-,Translate the following phrases,可調(diào)整后跟的鞋,shoes with adjustable heels battery-oprated

5、slippers heated ice cream scoop the style of the shoes who was sth invented by?,電池控制的拖鞋,加熱的冰淇淋勺,鞋的樣式,誰發(fā)明的某物,microwave oven,alarm clock,light bulb,3a,What do you think is the most helpful/annoying inventions?,helpful,n.+ful adj.,useful wonderful beautiful hopeful,annoying,adj.令人惱怒的， +物 annoyed=angry

6、+人,Discuss:,3b,Practice conversations like this A: What do you think is the most helpful/annoying invention? B: I think the most helpful invention is A: Why is that? B: Well, it gives/helps people,do you think 為插入語,插入語在使用時(shí)的基本結(jié)構(gòu)是,特殊疑問詞+ do you think+(主語)+陳述語氣,eg. Where do you think the book is?,I thi

7、nk the most helpful invention is Id like to have abecause I could Its used for I also want abecause it,4 groupwork,Crazy inventions,used for dancing,used for driving and flying,used for walking and singing,used for living and walking,used for driving in the sea,used for driving,HOMEWORK,1.Recite grammar focus on Page 69and 3b on Page70 . 2.Fin