【最新】九年级英语上册 Unit 3Unit 3 Language in use课件 外研版 课件

1、Module 6 Save our worldUnit 3 Language in useWe can easily find such scenes everywhere in big cities.People are trying to deal with rubbish now.deforestationsand stormeliminate sand storm在一个单词的前面或后面加上一个词缀，就可在一个单词的前面或后面加上一个词缀，就可以构成一个新词。以构成一个新词。 根据词缀的根据词缀的位置位置，分为，分为前前缀缀和和后缀后缀两种。掌握一些常见的词缀，对单词两种。掌握一些常见的

2、词缀，对单词的记忆和理解有很大的帮助。比如的记忆和理解有很大的帮助。比如care, 可构可构成成careful, careless, carefully, carelessly。下面下面我们来学习几个常见的前、后缀：我们来学习几个常见的前、后缀：Grammar1. 表示否定意义表示否定意义 “无，不无，不”的前缀的前缀impolite, impossibleun-in-dis-im-il-unfair, unhappyinactive, inhuman, indirectdisagree, disappear illegal前缀：前缀：2. 表示程度、大小的前缀表示程度、大小的前缀super-

3、over-mini-under-superstar, supermarket,superman, superpoweroverhead, overeat, overuseminibus, miniskirt, minicarunderground, underdevelop前缀：前缀：3. 表示表示 “再；重再；重”的前的前缀缀re-rewrite, reuse, recycle前缀：前缀：4. 表示表示 “拥护拥护”、“反对反对”的的前缀前缀 pro-anti-pro-Chinese, pro-Americananti-war, anti-pollution5. 表示表示 “整个、完全整个、

4、完全”意思的前缀意思的前缀al- 表示表示“完整，完全完整，完全” ： alone, almostover-表示表示“完全，全完全，全” ： overall, overflow前缀：前缀： able表示表示“可能，易于，适合于可能，易于，适合于”， 构成形容词。构成形容词。如：如： renewable, eatable(可吃的可吃的)，lovable， comfortable, movable后缀：后缀：常见的后缀：常见的后缀：2. ful 表示表示“充满充满.的，具有的，具有.性质性质 的的”，构成形容词，构成形容词。如：。如： helpful, hopeful, powerful, use

5、ful, careful, beautiful后缀：后缀：3. less 与与-ful 相反，表示相反，表示“少的，不足少的，不足 的的”，构成形容词，构成形容词。如：。如： helpless, hopeless, powerless, useless, careless1. 动词变名词动词变名词-ation-ment -al-ee -er-orsatisfaction, education, realizationdevelopment, movement arrival, refusal trainee, employeeteacher, workervisitor, sailor改变词性

6、的后缀改变词性的后缀2. 形容词变名词形容词变名词-ness-ity-ismhappiness, meanness, carelessnessability, possibility Marxism, criticism3. 名词、形容词变动词名词、形容词变动词-ify-ize-enbeautify, simplifyrealizequicken, widen, sharpen4. 名词变形容词名词变形容词-y-ish-some-ous-fulwindy, rainy, sandyfoolish, feverishhandsome, troublesomedangerous, humorous

7、helpful, careful, peacefulPractice 1. Now the climate gets warmer and warmer because the _ (pollute) is getting more serious.2. Can you do your homework more _ (careful) next time? You made many mistakes.3. It is _ (hope), no matter what we do to make it better. pollutioncarefullyhopelessComplete th

8、e sentences.full of care _A care collect done hope possible usual used wanted wasteB -able -ful im- -less re- un-carefulMake new words. Join the words in Box A with the parts of words in Box B.1. can be collected _2. not done _3. full of hope _4. without any hope _5. not possible _6. not usual _7. n

9、ot used _8. used again _9. not wanted _10. making a lot of waste _collectableundonehopefulhopelessimpossibleunusualunusedreusedunwantedwastefula. reusableb. uncomfortablec. unhealthyd. uncleane. impossiblef. untrue Match the underlined words with their meanings.（P 46）Match the underlined words with

10、their meanings.1. Polluted water is not healthy.2. Its something we can use again.3. The water in the river was very dirty. 4. Its not true that we dont listen to students.5. It was not possible to clean up the whole river. 6. The people on the mountain top were not comfortable.cadfebComplete the ta

11、ble. Noun Verb Adjective Adverb -energeticallyenvironment-hopelessly-nationalelectricityelectricenergyenergeticenvironmentalhopelesshopehopenationnationallyenvironmentally Noun Verb Adjective Adverb pollute -seriousness -unusual-ness - unusually waste worrypollutionpollutedseriousseriouslyunusualwas

12、teworriedlywastefullywastefulworriedworryComplete the sentences with the correct form of the words in Activity 3.1. They are working very _ to reduce waste.2. The situation is_. We cant do anything to make it better.3. The factory_ the river, and the fish died.energeticallyhopelesspolluted4. We dont

13、 often walk in the country. Its a(n)_ activity for us.5. Dont_. Everything will be all right.6. Dont use so much water. Its very_. unusualworrywastefulRead the ideas on protecting the environment. Put them in the correct column in the table. Dont buy anything made from endangered animals or plants.

14、b. Glass bottles and newspapers can be taken to recycling centers and reused. c. Dont boil more water than necessary. d. Dont take new plastic bags from the shop - reuse your old ones. e. Turn off lights when you dont need them. f. Use a bicycle or walk instead of using the car.Now listen and check.

15、WastePollution Wildlife cadfebListen again and answer the questions.1. Why should you reuse plastic bags?2. Name two advantages of using a bicycle or walking instead of using a car.Because they are hard to recycle.There is no pollution and its a goodkind of exercise.3. Why did some animals die out?4

16、. How can we stop some people trying to kill or sell endangered animals and plants?Because people have cut down a lot of trees and polluted the rivers.Never buy anything made from endangered animals.Read through the passage and discuss the question about Friends of the Earth.Around the world environ

17、mental groupsWhat they do?They do research, provide information and education about environment. And they also work with governments to create new laws to protect the environment.Retell the passage using the following expressions.Friends of the Earth International71 member groups in 68 countriesdo r

18、esearch, provide information and education about the environmentWork in groups. Decide what type of pollution you want to talk about.Choose something that is very important to you. It could be water pollution, air pollution, waste, cutting down forests, etc. Find out a bit more information about you

19、r subject. Look it up on the website or in books.Discuss your topic.Take it in turns saying what you think about the problem and what can be done.Listen carefully to what the others say. If you agree with what theyve said, say “I agree”, “Thats true” or “Thats a good point”; if you dont agree, say “

20、Im sorry but I disagree. I think that .”Make a summary of what you have said and tell the class.Module taskDiscuss what you can do about pollution. Our world is developing, many problems about pollution has appeared. The pollution has a bad influence on our life. We are polluting atmosphere with che

21、micals-in the form of gases, the atmosphere is changing. Its keeping in too much heat! And this will cause the level of seas to rise and drown cities and even countries. Its very dangerous. Also, mountains of garbage and toxic pollutants are dumped into the water. It causes the water around our city

22、 not to be used any more in our daily life. These years, more and more people have moved to the countryside for fresh air and clean water there, because both poisonous air and water are bad for peoples health. There are also other pollution, such as noise pollution, light pollution, etc. It affects

23、our environment. We should take action to fight against the pollution at once. We should plant more trees, we can stop factories pouring chemicals into river, and reduce environment pollution!Exercises 根据首字母提示或所给汉语完成单词。根据首字母提示或所给汉语完成单词。 The p_ is getting worse and most fish in the river have been dead.2. We should do somet