外研版九上module6unit2rememberthreewordsreduce，reuseandrecycleword導(dǎo)學(xué)案(已修改)
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【正文】 Module 6 Save our world Unit 2 Remember three words: reduce, reuse and recycle 課型：讀寫課 【學(xué)習(xí)目標(biāo)】 waste、 energy、 pollution、 recycle、 reusable、 reduce、 reuse、 repair、 environmental、hopeless、 necessary、 plastic、 sort、 harm、 material 詞組句型 instead of、 do harm to、 make a difference to、 It’s+adj.+to do 、 stop from 能夠使用本單元的新詞匯； ，從生活細(xì)節(jié)中采取措施來保護(hù)環(huán)境，保護(hù)地球，進(jìn)而培養(yǎng)學(xué)生的憂患意識(shí)和主人翁意識(shí)。 ，并發(fā)表自己的看法。 【課前準(zhǔn)備】 課前朗讀本模塊的詞匯（學(xué)生自己朗讀、領(lǐng)讀或齊讀） 四人一組口頭檢查詞匯拼寫情況。 【學(xué)習(xí)過程】 復(fù)習(xí) Unit 1. 背景知識(shí)。 Saving Our Natural Resources The problem In 1991 the world’s population was billion people and growing exponentially at a rate of %. This meant that in 1992 there were another 97 million people to feed, house and clothe. Even then one out of every five people went hungry and didn’t have drinking water. More and more our resources are being tapped to the point of exhaustion. Nonrenewable resources such as minerals, metals and fossil fuels must be conserved. Perpetually renewable resources such as flowing water as well as solar and wind energy must be used and potentially renewable resources such as our air, water, soil and animal and plant life must be cared for. Our air: The 1990 Federal Air Toxics Inventory ranked Passaic County as 6th in the State of New Jersey for toxic emissions. 52% of those toxins were found to e from manageable sources. Of these, 38% were from mobile sources (with cars and trucks making up 29%) and 9% from nonroad vehicles such as lawnmowers and boats. Another 32% were from solvents such as those used in degreasers, pesticides and cleaners. Our water: The earth has a huge amount of water, yet only about 1% is fresh and usable. In 1988, the New Jersey
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