九年级英语：Unit9_When_was_it_invented_Section_A课时课件_人教版新目标[1].ppt

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1、When was it invented?The four great inventions in China When was it invented?Who was it invented by?What was it used for?gunpowderpapermakingcompassprintingWhat is/are used for?Its/Theyre used forA A:When When waswas the _ the _ inventedinvented?B:I think it B:I think it was inventedwas invented in

2、in _._.Pairwork Pairwork(1c:P68)(1c:P68)19761885187619271971A A:What is the _ :What is the _ used for?used for?B B:It:It is used foris used for _._.talking with people(talk with people)A A:What is the _ :What is the _ used for?used for?B B:It:It is used foris used for _._.(study)studyingA A:What is

3、the _ :What is the _ used for?used for?B B:It:It is used foris used for _._.(count)countingWhat are they used for?They are used for giving light.light bulbslight bulbsWho invented the car?_ invented the car.Karl Benz Karl BenzThe car_ _ by_.was invented him 1885When was it invented?was invented1885I

4、t_ _ in _.1971BellA:Who was the telephone invented by?B:It was invented by_.A:When was it invented?B:I think it was invented in _.high heelsadjustable heelsadjustable 可调整的可调整的ice cream scoop heat 加热加热scoopslippersa batterybatteriesoperate 操作操作Who Who werewere they they invented invented by?by?What W

5、hat are are they they used forused for?adjustable 可调整的可调整的operate 操作操作 heat 加热加热2a312InventionWho was it/were they invented by?What is is/are they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated slippers Jayce Coziar and Jamie Ellsworth seeing in the

6、darkheated ice cream scoopJulie Thompsonchanging the style of the shoesA:What are those?B:They are battery operated slippers.A:_ are they used for?What B:They _ _ for seeing in the dark.A:Thats cool!_ were they invented _?B:Julie Thompson.And look at this heated _ _ _.A:I know what its for.Its used

7、for _ out really cold ice cream.are usedWho by coldicecreamscoopingB:Right.It _ _ by Chelsea A:My favorite are those shoes with _ heels.You know you can move the heels _and_updown.They were invented _ Jayce Coziarand Jamie Ellsworth.wasinventedadjustablebyB:And what are they used for?A:Well,you can

8、change the _ of your shoes.You can _the shoes go from casual to dressy.Lanmonstylemakeshoes with adjustable heelsWhat are they?Who were they invented by?Jayce Coziar and Jamie Ellsworthchanging the style of the shoes.What are they used for?Practice:battery-operated slippersJulie Thompsonseeing in th

9、e darkWhat are they?Who were they invented by?What are they used for?heated ice cream scoopChelsea Lanmonscooping cold ice creamWhat is it?Who was it invented by?What is it used for?abacusin the six centuryChinesecalculatingWhat telescopeWhen 1609Who GalileoUse watching stars用用“invented”或或“used for”

10、填空填空.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 forinventedused forinventedinventedA:Look!This looks so interesting!B:Ah,its a great invention of China.A:Really?When _ it _?B:I think it _ _

11、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 inventedisusedIsusedisusedGuessing:What is it?Guessing:What is it?Microwave ovenIt is used for cooking and heating food(加热加热)Useful expressions:A:What

12、 do you think is the most helpful/annoying invention?B:I think the most helpful invention isA:Why is that?B:Well,it gives/helps people I think computer is the most helpful invention.Because it helpsme search the information that I need.alarm clock Its an annoying invention.Because it wakes me up whe

13、n Im sleeping.A survey:What do you think is the most helpful/annoying inventions?Name HelpfulinventionsWhy Annoying inventionswhy In our group,Mary thinks the most helpful inventionis the telephone because it helps talk with ourfriends and relatives,and she thinks the most annoying inventions are pl

14、astic bags because they make our school dirty.Bob thinks.体验中考：体验中考：1.（2008，黄冈，黄冈 was invented by Chinese centuries ago.A.The telephone B.The car C.The clock D.The papermaking2.Safety glasses are used _ protecting your eyes.A.by B.as C.for D.to3.Personal computers _1976.It has changed the world.A.Inv

15、ent B.invented in C.was invented in D.were invented in 4.Kites_ messages in the war in the past.A.are used for send B.were used to sending C.were used send D.were used to sendDCDD1.A new school_ (build)in this town last year.2.2.I think the computer is a very important_ (invent).3.3.Tea wasnt_ (brin

16、g)to the western countries till1610.4.4.Please give him some more food _(eat).5.5.She thinks the alarm clock is the most _ (annoy)invention.6.6.It would be _ (good)to have a computer than to have a radio.7.7.Its _(help)to exercise in the morning.8.8.The room is in a mess.It needs _(clean)up.9.1.在在之前

17、之前/后被发明后被发明 11.改变鞋的风格改变鞋的风格2.由由.发明发明 12.电拖鞋电拖鞋3.按正确的顺序按正确的顺序 13.在在被制造被制造 4.被用于被用于 14.有用的发明有用的发明 5.被被.使用使用 15.恼人的发明恼人的发明 6.作为作为.被使用被使用 16.给人们更多工作给人们更多工作 7.带有可调节的后跟鞋带有可调节的后跟鞋 和玩的时间和玩的时间8.电池操作的拖鞋电池操作的拖鞋 17.Its better to do.9.加热冰淇林的勺子加热冰淇林的勺子 18.灯泡灯泡10.在黑暗中看见在黑暗中看见（The Passive Voice).主动语态与被动语态主动语态与被动语态：

18、英语动词有两种语态英语动词有两种语态,即主动语态即主动语态(The Active(The Active Voice)Voice)与被动语态（与被动语态（The Passive Voice)The Passive Voice)。主动语态表示主语是动作的执行者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。被动语态表示主语是动作的承受者。e.g.1.They make trains in Zhuzhou.Trains are made in Zhuzhou.2.The farmers grow cotton every year.Cotton is grown by the far

19、mers every year.主动语态主动语态被动语态被动语态主动语态主动语态被动语态被动语态e.g Many people speak English.English is spokenby many people.主动语态变被动语态的步骤：主动语态变被动语态的步骤：1 1、主动语态的宾语变为被动语态的主语；、主动语态的宾语变为被动语态的主语；2 2、主动句的谓语动词变为被动结构；、主动句的谓语动词变为被动结构；3 3、主动句的主语变为被动句的宾语，由、主动句的主语变为被动句的宾语，由by by 引引出，当不强调动作的执行者时，常省略。出，当不强调动作的执行者时，常省略。4.4.其它成分不

20、变。其它成分不变。变被动语态时需要注意的事项变被动语态时需要注意的事项一变一变二套二套三注意三注意宾变主，宾变主，主变宾，宾语前面主变宾，宾语前面byby跟，谓语动词变过分，不忘前跟，谓语动词变过分，不忘前面面bebe动词跟动词跟套时态，主被动时态一致套时态，主被动时态一致注意因人称的变化而引起的注意因人称的变化而引起的主谓一致问题。主谓一致问题。各种时态的被动语态的构成：各种时态的被动语态的构成：1.一般现在时态一般现在时态 am,is,are+过去分词过去分词 2.一般过去时态一般过去时态 was,were+过去分词过去分词 3.一般将来时态一般将来时态 will/am.is.are go

21、ing to +be+过去分词过去分词4.过去将来时态过去将来时态 would/was.were going to +be+过去分词过去分词 5.现在完成时态现在完成时态 have,has+been+过去分词过去分词 6.过去完成时态过去完成时态 had+been+过去分词过去分词 7.现在进行时态现在进行时态 am,is,are+being+过去分词过去分词 8.过去进行时态过去进行时态 was,were+being+过去分词过去分词 9.9.含情态动词的含情态动词的 情态动词情态动词 +be+过去分词过去分词所有时态的被动语态否定就是在所有时态的被动语态否定就是在 最前面的助动词后加最前面

22、的助动词后加 notnot疑问就是把疑问就是把最前面的助动词提前最前面的助动词提前。Many trees are not being planted nowAre many trees being planted now?把下列的句子变为被动语态的句子：把下列的句子变为被动语态的句子：1、They speak English in Canada .2、People used wood for making tables.3、They are making computers in the USA.English is spoken in Canada(by them).Wood was use

23、d for making tables.Computers are being made in the USA.把被动句变否定把被动句变否定Computers arent being made in the USA.4、They have grown rice in South China.5.We must plant more trees next year.6.I am going to clean our classroom tomorrow.More trees must be planted next year.Our classroom is going to be cleane

24、d tomorrow.Rice has been grown in South China.把被动句变疑问把被动句变疑问.Has rice been grown in South China？变被动语态的特殊情况变被动语态的特殊情况一、双宾语一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth=give sth to sb1.My father bought me a computer.A computer was bought for me by my father.I was bought a computer by my father.2

25、.He gives me a book.A book is given to me by him.I am given a book by himSth+be+过去分词过去分词+for/to sb+by sb.Sb+be+过去分词过去分词 sth +by sb二、无二、无toto不定式不定式一感一感 二听二听三让三让 四看四看feellisten to.hearlet.have.makewatch.see.look at.notice变为被动时加上变为被动时加上toeg.We often see him play basketball.He is often seen to play bask

26、etball by us.The boss made the children work for long.The children were made to workwere made to work for long by the boss.三、注意动词短语的三、注意动词短语的常考到的动词短语有常考到的动词短语有完整性完整性take care oflook afterlisten tospeak toeg.1.We should speak to the old politely.The old should be spoken tobe spoken to politely.2.The

27、nurse takes good care of the baby.The baby is taken good care ofis taken good care of by the nurse.四、无被动语态的动词。四、无被动语态的动词。不及物动词及系动词不及物动词及系动词happentake placedierisecome truecome outeg.1.An accident (happen)just now.happened 2.Im sure that my dream .(come true)some day in the futurewill come true常用的被动语态短语常用的被动语态短语be made of from intobe used to do for doing as由由-制成的制成的看出原材料看出原材料看不出原材料看不出原材料原材料制成成品原材料制成成品be filled withbe covered witheg.1.Paper is made wood.from 2.Tables are made wood.3.Wood is made paper and tables.ofinto被用来-被用作被用作用-充满被-覆盖