高一英语精品课件：UNIT3 TOMORROW’S WORLD-WORLD POWER（牛津译林版必修4）.ppt

1、Unit 3 Tomorrows worldUnit 3 Tomorrows worldWord powerFinish the sentences with the right words:1.Many wild animals _ because people have destroyed their living environment.We have to take some actions to prevent the _ of wild animals.(disappearance;disappear)2.The new motorway between the two citie

2、s has finally _.Its good news for people who have to travel a lot there.The manager made a speech at the _ ceremony of the supermarket.(open;opening)3.Thanks to his _,we are all saved,and all of us think he is such a _ person.(kind;kindness)4.The man carried the boy to _ as the train come over,and t

3、he boy was _ at last.(safe;safety)disappearancehave disappearedopenedopeningkindnesskindsafetysafe Whats an abstract noun?an abstract noun:a noun that refers to an idea,an action,a general quality or something that we cant see or touch directly.Such as disappearance,opening,kindness and safety.Group

4、 1:verbsabstract nounsverb+ingtrain/feel+urepress/fail+anceperform/enter+enceprefer/differ+mentmove/develop+iondiscuss/connect+ationinform/presenttraining/feelingpressure/failureperformance/entrancepreference/differencemovement/developmentdiscussion/connectioninformation/presentationGroup 2:adjectiv

5、esabstract nounsadjective+nesskind+tysafe+ityrealkindnesssafetyrealityTry to think about more similar examples!Tips:We sometimes need to change the final letter(s)of a word before adding the suffix:verbProduce(production)Decide(decision)Please(pleasure)Adj.Silent(silence)Pretty(prettiness)-e+tion-de

6、+sion-e+ure-t+ce-y+iness Additional information Most abstract nouns are uncountable,only a few of them are countable:hopea hope;ideaa idea;situationa situation More examples:1.He had been a talented musician in his youth.2.The fight was started by a gang of youths.3.He has the power to make things u

7、npleasant for us.4.The USA is among the world powers.5.The woods are considered to be an area of natural beauty.6.She had been a beauty in her day.年轻年轻人能力强国美丽美人Exercise(P46)Answers:1.development 2.popularity3.failure 4.connection5.improvements 6.presentation7.achievement 8.admiration Words related t

8、o computersTry to recognize the different parts of computers in the picture:speakermonitorprinterCD-Rom/DVD-RomscreenkeyboardmouseU-DiskFloppy diskHard driverCD-ROM/DVD-ROM driveFloppy disk driverMouse matPractice:Use some of the words in the picture and the words in the box to complete the poster:A

9、nswers:1.keyboard 2.mouse3.data 4.floopy disk5.CD-ROMs 6.CPU7.connect 8.e-mails9.information 10.Webmore words related to computers1.If we havent_,we cant enjoy the beautiful music by computers.2.If we want to surf online,we just need to connect the computer with cables by_.3.Your photos are so beaut

10、iful,and I can use the _ to copy them into my computer.4.Sometimes the information in the floppy disk is easy to be destroyed,so we can use a _ to store the information for a long time.Choose the right words to complete the sentences:scanner,sound card,CD-writer,network cardsound cardnetwork cardscannerCD-writer Homework Revise what you have learned in this period.Preview Grammar.