Module12 Save our world Unit 3 Language in use第一课时（课件+教案+同步练习）

课件28张PPT。Module 12 Save our world外研版 九年级上册Unit 3 Language in use (1)ReviewLook and say:a green life Reviewreduce Reviewreuse Reviewrecycle Reuse means “use again”. Though pollution is heavy now, I don’t think it’s hopeless.Read the sentences:Presentation1.Make a new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once. A –able -ful im- -less re- un-B care collect hope possible use usual wanted wastecollectable, usable impossible reuse Presentationcareful, hopeful, useful, wasteful careless, hopeless, useless unusual, unwantedNow work in groups. Play the guessing game English for Fun.English for Fun full of care _____ 2. can be collected _____ 3. full of hope _____ 4. without any hope _____ carefulcollectablehopefulhopeless Presentation5. not possible _____ 6. not usual _____ 7. without any use _____ 8. use again _____ 9. not wanted _____ 10. making a lot of waste _____ unusual uselessreuseunwantedwasteful PresentationimpossibleGrammar合成词构词法 合成词构词法就是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。1.合成法是一种比较灵活的构词方法，可以合成名词、形容词、副词、代词、动词等。 （1）合成名词： sun + light = sunlight(阳光) black + board = blackboard(黑板) （2）合成形容词： well + known = well-known(著名的) hard + working = hard-working(勤奋的)（3）合成副词： up + stair = upstairs(在楼上) down + stair = downstairs(在楼下) （4）合成代词： some + thing = something(某事) any + body = anybody(任何人) （5）合成动词： under + stand = understand(理解) type + write = typewrite(打字)2. 前缀、后缀构词法 在一个单词前或后加上一个词缀，就可以构成一个新词。根据词缀的位置，分为前缀和后缀两种。 （1）常见前缀：（2）常见后缀：将A、B两部分词配对，组成一个合成词： A what, book, class, no, down, south, black, good B bye, stairs, shop, west, thing, board, ever, matewhateverbookshopclassmatenothingdownstairssouthwestblackboardgoodbye2.Complete the sentences with the words in the box.1. Polluted water is _____. 2. It is _____ to throw so much food away. 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 _____.hopeful impossible reuse unhealthy wasteful unhealthywastefulreuseimpossiblehopefulPractice3.Complete the table.useuseusefully/uselesslyhopehopeful/hopelesspollutepolluted/unpollutedwaterwastewasteful/wastedwastefullyusual/unusualPractice4.Complete the sentences with the correct form of the words in Activity 3. She was hopeful that her new job would make her more successful. 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.pollutedusualwastefulwaterPractice5.Complete the sentences. A lunchbox is a box that you keep your lunch in. A _____ is a card that ... ...