初中英语九年级上册ModuleUnitLanguageinuse.pptx

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1、To summarize and consolidate the rules of word buildingObjective:第1页/共32页Observe the following sentences carefully.They are all from this module.1.Reuse means“use again”.2.Though pollution is heavy now,I dont think its hopeless.3.If the rivers are polluted,farmers cant use the water for their crops.

2、4.If everyone starts to do something,the world will be saved.第2页/共32页5.We all need a healthy environment,but we produce waste every day,and it is harmful to our environment.6.Do not waste things.7.Repeat these three words daily:reduce,reuse and recycle.8.Before you buy something new,think whether it

3、 is really necessary because maybe old one is just as good!9.but lets take these simple steps today so that we will save the world for our grandsons and granddaughters tomorrow.第3页/共32页1._(use)means“use again”.2.Though _(pollute)is heavy now,I dont think its _(hope).3.If the rivers are polluted,_(fa

4、rm)cant use the water for their crops.4.If _(everyone)starts to do _(something),the world will be saved.5.We all need a _(health)environment,but we produce _(waste)every day,and it is _(harm)to our environment.Reuse pollution hopeless farmers everyone something healthy waste harmful go Ready?第4页/共32

5、页6.Do not _(waste)things.7.Repeat these three words daily:reduce,_(use)and _(recycle).8.Before you buy _(something)new,think whether it is _(real)necessary because maybe old one is just as good!9.but lets take these simple steps today so that we will save the world for our _(grandson)and _(granddaug

6、hter)tomorrow.waste reuse recyclesomethingreally grandsons granddaughters 第5页/共32页第6页/共32页将两个或两个以上独立且语义不同的单词合在一起构成新词的方法称作合成法。合成名词合成名词afternoon,sportsman,blackboard,newspaper,airplane,classmate合成形容词合成形容词 kind-hearted,middle-aged,hard-working合成副词合成副词 however,maybe合成代词合成代词 himself,everyone,nothing合成动词合

7、成动词 overlook第7页/共32页通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法称作派生法。前缀前缀含义含义例词例词 dis-不不 disagree,dislike en-使使处在处在某种状态某种状态 enable,enrich im-,in-不不 impossible,impatient,inexpensive inter-在在之间之间 international,interconnect mis-错误的错误的 mislead,misunderstand non-不，非不，非 non-smoker,non-native re-再，重复再，重复 rewrite,retell u

8、n-不不 unable,unhappy,unpopular第8页/共32页后缀后缀含义含义例词例词-er,-or构成名词构成名词 teacher,worker,visitor-ian musician-ing building,painting,shopping-ist artist,scientist-ment agreement,government-ness coldness,happiness,illness-th truth,warmth-tioncompetition,education,information-ty activity,safety后缀后缀含义含义例词例词-able

9、,-ible构成形容构成形容词词 comfortable,eatable,enjoyable-al environmental,international-ful careful,helpful-ive active,expensive-less careless,helpless,homeless-ly friendly,lovely,monthly-ous dangerous,famous-teen构成数词构成数词eighteen,fifteen,seventeen-thfifteenth,fifth,fortieth-ty forty,sixty,twenty-ly 构成副词构成副词 b

10、adly,carefully,happily第9页/共32页词根词缀名词形容词副词+interestuninterestedinterestinglyuninterestinginterestedinteresting第10页/共32页 helphelpfullyhelplesslyhelpfulhelpless abledisableunableenableability第11页/共32页英语构词法中把一种词性转化为另一种词性而词形不变的方法称为转化法。(1)v.n.Lets talk about it more.I think wed better finish the talk now.

11、咱们再谈谈这件事吧。我想我们最好现在结束谈话。(2)n.v.She gave me a cup of water.You should water the flowers twice a day.她给了我一杯水。你应该每天给这些花浇两次水。(3)adj.n.She was wearing a black dress.The girl in black looks very beautiful.她穿着一条黑色的裙子。那个穿黑衣服的女孩看上去很漂亮。第12页/共32页Sometimes if you know the meaning of the parts of a word,you can w

12、ork out the meaning of the whole word.re +new +able renewableagain can be can be new again第14页/共32页1 1P100Make new words.Join the parts of the words in Box A with the words in Box B.you need to use some of the parts more than once.-able -ful im-less re-un-care collect hope possible use usual wanted

13、wasteAB careful carelesscollectable hopeful hopeless impossible reuse usable useful useless unwanted wasteful unusual第15页/共32页Now work in groups.Play the guessing game English for Fun.1.full of care _2.can be collected _3.full of hope _4.without any hope _5.not possible _6.not usual _7.without any u

14、se _8.use again _9.not wanted _10.making a lot of waste _carefulcollectablehopefulhopelessimpossibleunusualuselessreuseunwantedwasteful第16页/共32页2 2P100Complete the sentences with the words in the box.hopeful impossible reuse unhealthy wasteful1.Polluted water is _.2.It is _ to throw so much food awa

15、y.3.If you look after things well,you may _ some of them later.4.It is _ to clean up the whole river in such a short time.5.If we pay attention to pollution now,the future will be _.unhealthywastefulreuseimpossiblehopeful第17页/共32页3 3P101Complete the table.Noun Verb Adjective Adverb useful/uselesshop

16、e hopefully/hopelessly pollution water waste usually/unusuallyuseuseusefully/uselesslyhope hopeful/hopelesspollutepolluted/unpollutedwaterwaste wasteful/wasted wastefully usual/unusual第18页/共32页4 4P101Complete the sentences with the correct form of the words in Activity 3.She was _ that her new job w

17、ould make her more successful.hopeful1.The factory _ the river,and the fish died.2.We often walk in the countryside.It is a(n)_ activity for us.3.Do not use so much water.It is very _.4.To keep the flowers growing,you need to _ them once a day.pollutedusual wastefulwater第19页/共32页5 5P101Complete the

18、sentences.A _ is a box that you keep your lunch in.lunchbox1.A _ is a card that you write on one side of and send to someone by post.2.A _ is a room where you have classes at school.3.A _ is a book that has one or more stories for children.4.A _ is a black board that is used at school for writing on

19、 with chalk.postcardclassroomstorybookblackboard第20页/共32页6 6P101Work in pairs.Look at the pictures and answer the questions.1.What kind of things can be recycled?2.How can these things be used?3.How does this help the environment?4.Have you ever recycled or used things that can be recycled?How?possi

20、ble answers:Cloth,paper,cans,plastic,glass,etc.Recycled paper can be used for notebooks,tickets or writing paper.It helps save a lot of resources and reduce greenhouse gas emissions.Yes.I recycled aluminum cans and paper by selling them to the recycled factory.第21页/共32页Mike:I hear you are off to the

21、 Caribbean for a holiday!Lucky you!But arent you(1)_ the pollution that such long plane journeys may cause for the environment?Ken:I know,but what can I do about it?I already try my best to protect the environment.I recycle.I dont(2)_ things if I dont want them any more.I(3)_ the lights when I leave

22、 a room.Dont tell me I shouldnt travel by plane any more!be good for throw away turn off worry about worried about throw away turn off7 7P102Complete the conversation with the correct form of the expressions in the box.第22页/共32页Mike:No,of course not.But we can do more to protect the environment.For

23、example,we can help keep the air clean by planting trees.Trees(4)_ the environment.In this way,we can reduce the harm of pollution.Ken:Good!So I can enjoy my holiday,and when I come back,Ill plant some trees!Mike:Thats the idea!Maybe we can all join in and start a small forest!be good for throw away

24、 turn off worry about are good for第23页/共32页1.It is OK to throw used things away.Looking after them takes a lot of time.2.Do not throw away things made of glass,plastic and paper,but recycle them when possible.3.Take a bag when you go shopping.4.Producing electricity and using oil will not cause poll

25、ution.5.Turn off lights when you do not need them.6.Ride a bike or walk,and do not often drive your car.8 8P102Listen and check()the true sentences.第24页/共32页Advice Reasons 1.Dont throw away things made of _,but _ them.Throwing things away is wasteful.2._ your plastic bags when you can and _ with you

26、 when you go shopping.Plastic bags _ recycle.3.Use less electricity and oil to _.4.Dont leave lights on and _.5._ and do not often drive your car.Producing electricity and using oil may cause _.glass,plastic and paper recycle Reuse take a bag are hard to reduce pollution waste electricityWalk or cyc

27、le pollution9 9P102Listen again and complete the table.第25页/共32页英语中常见的构词法：1.合成法2.派生法（加前缀、后缀）3.转化法（词性变词形不变）第26页/共32页1.Both of the books were _ to herand she couldnt decide which one to buy.2.How _ of John to break the cup!3.The meat has a strange smell.Im afraid its hardly _.I.从方框中选择适当的单词并用其正确形式填空。Qu

28、iz注:word 文档点击此处链接helpfulcarelesseatablecorrect energy eat possibleappear help success care第27页/共32页correct energy eat possibleappear help success care4.Tom is an _ boy and it seems that he never gets tired.5.Im afraid that its _ for us to get there before eight.6.The sun _ behind the clouds and it b

29、egan to rain.7.Im sorry to say your answer is _.Please try again.8.Its not easy to become a _ actor.energeticimpossibledisappearedincorrectsuccessful第28页/共32页.完成下列同义句。1.Its not polite to speak to others with your mouth full of food.Its _ to speak to others with your mouth full of food.2.The teacher

30、asked him to write the composition again.The teacher asked him to _ thecomposition.impoliterewrite第29页/共32页3.Hes not popular with some of the neighbors.Hes _ with some of the neighbors.4.I hate sweet food.Especially,I dont likeeating cake.I hate sweet food.Especially,I _ eating cake.5.Hamburgers,candy and ice cream arent healthy food.Hamburgers,candy and ice cream are _ food.unpopulardislikeunhealthy第30页/共32页1.Search for more information about pollution.Make an oral presentation to your class.2.Finish the exercises in Learning English.Homework第31页/共32页感谢您的观看！第32页/共32页