unit9-period6 When was it invented.ppt

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1、From pie plate to flying disk.The flying disk was invented by college students.They used a metal pie plate from a bakery in Bridgeport,Connecticut.Students ate the bakerys pies and then threw the pie plates.Today,there are flying disk clubs,magazines and a festival.1.I dont like eating chocolate.The

2、 taste is too _.2.Mom added salt but it still wasnt _ enough.3.I prefer lemons to oranges.I like the _ taste.4.She likes _ cookies.They are hard,dry and easily broken.crispysweetsaltysourcrispy,sweet,salty,sour1.Fill in the blank with the correct word given.Explanation 1.I prefer lemons to oranges.p

3、refer是动词，意为是动词，意为“更喜欢更喜欢”，常可与，常可与like better,instead进行替换。常见句式有进行替换。常见句式有prefer A to B,prefer doing to doing B,prefer to do A rather than do B.例如：例如：I would prefer playing outside to watching TV.I prefer to go to the movie rather than stay at home.2.They are hard,dry and easily broken.broken为为 break的

4、过去分词，相当于形容的过去分词，相当于形容 词的作用，意为词的作用，意为“碎了的碎了的，坏了的，坏了的”,可作可作 定语或表语。例如：定语或表语。例如：-What s wrong with your watch?-Its broken.There is some broken glass on the ground.Be careful of the glass broken by the cat.Do you know the difference?be invented bybe invented inbe invented toEmphasize on personEmphasize o

5、n time or placeEmphasize on the usageCan you make sentences with them?1.Telephone _ Alexander Graham Bell,who is an Englishman.2.various things have _ record the history of human being.3.paper _ first _ ancient China,and it is one of the most important inventions in the world.be invented by/in/towas

6、 invented byinvented inwasbeen invented toPlease translate these sentences into English.1.这样的话，我们明天就可以完成任务了。这样的话，我们明天就可以完成任务了。_ _ _,we can _ our task tomorrow.2.茶是在很偶然的情况下发明出来的。茶是在很偶然的情况下发明出来的。Tea was _ _ _.3.我们爬山的时候不小心掉进一个山洞里了。我们爬山的时候不小心掉进一个山洞里了。We _ _ a hole when we _ _ the mountain.4.自从发明了电之后，人类历

7、史进入了新的篇章。自从发明了电之后，人类历史进入了新的篇章。After electricity _ _,our history _ _ a new stage.In this way finish/completeinvented by mistakefell intowere climbingwas inventedgotinto2.When were they invented?abacus in the 6th Centuryumbrella at the end of Spring and Autumn Period binoculars in 1600camera in 1839bi

8、cycle in 1839car in 1885 motorcycle in 1885toothbrush in 1780 washing machine in 1858A sample version The abacus was invented in the sixth century by Chinese people.The umbrella was invented about 4,000 years ago in Assyria,China and Egypt.The binoculars was invented in 1854 by Galileo Porro in Ital

9、y.The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture.The bicycle was invented in 1880s in England.Just for fun!根据汉语及首字母写出单词。根据汉语及首字母写出单词。1.When I began to sing,he laughed and made me very e_(尴尬的尴尬的)2.After a long trip to Europe，1 felt very e_(精疲力竭的精疲力竭的)3.a_：to mak

10、e known publicly4.d_：to give an account of in speech or writingembarrassedexhaustedannouncedescribe5.a_：one that is invested with this power，especially a government or government officials.6.Last night a friend of mine invited me to a c_ party(化装舞会化装舞会)authoritycostumeI.根据首字母完成句子根据首字母完成句子:1.The ice

11、cream scoop is used for s_really cold ice cream.2.Edison i_the electric light bulb.3.He often makes m_in his spelling.4.Ill do it a_to your instructions.5.A c_ is a hundred years.6.It was so dark that I could h_see anything.5.Boys,stop t_ stones to the poor dog.coopingnventedistakesccordingenturyard

12、lyhrowing1.Wood can be used for_ paper.A.making B.to make C.made D.make2-Do you think the light bulbs were invented _?No,I dont thing so.A.by mistakes B.by mistake C.for mistake D.with mistakes9.When _ the car _?A.did,invent B.was,inventedC.does,invent D.in,invented 10.Jack _ leave _ his teacher com

13、es back.A.doesnt,until B./,until C.wont,/D.wont,until A B II.选择填空选择填空D B III.完成句子完成句子:1.电拖鞋是什么时候发明的？电拖鞋是什么时候发明的？When _ the electric _ invented?2.它们是由谁发明的？它们是由谁发明的？_ were they invented _?3.妈妈加了盐，但它仍然不够咸。妈妈加了盐，但它仍然不够咸。Mom added salt but it still wasnt _ _.wereslippersWhoby salty enough IV.补全对话补全对话:A:L

14、ook!This looks so interesting!B:Ah,its a great invention of China.A:Really?When _ it _?B:I think it _ _ in Han Dynasty.(汉朝汉朝)A:What _ it _ for?B:Guess!A:_ it _ for holding water?B:No.It _ _ for testing earthquakes.A:Wow,its really amazing!wasinventedwas inventedisusedIsusedisusedV.翻译句子1.那个孩子直到他爸爸回来才睡觉。2.自行车是用来骑的。3.根据天气预报说，明天有雨.4.茶是偶然被发明的。5.炸薯条是错误被发明的。