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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Unit 29Sparking,still or tap?,苏打水，蒸馏水，还是自来水？,1/20,sparkling water,Still water,tap water,2/20,Words and expressions：,sparkling：起泡沫,charge：1.收费 2.充电 3.控告 4.负责,in charge of,负责；主管,take charge of,接管，负责,person in charge,责任人,no charge,无偿；不需付钱,Eg：Even local kindergarten charge$150 a week.,They have the evidence to charge him.,Alex had forgotten to charge the battery.,Whos in charge here?,3/20,carry：运输,billion：十亿 million：百万,garbage：垃圾 rubbish：垃圾,make sense：合理,madam：女士,tap water：自来水,proud：be proud of 自豪,ashamed：be ashamed of 羞耻,waiter，waitress 服务员,4/20,eat out：出去吃饭,recycle：回收利用,convenient：方便,the highest the lowest,price：价格,expensivecheap,petrol：石油,plastic：塑料,empty：空,5/20,Listen and fill in the blanks,.,Daisy:Whats the highest,price,that youve ever been,charged,for a bottle of water?,Karen:Oh,I dont know.Some bottled waters are as,expensive,as petrol.,Daisy:Some of them are as expensive as fine,wine,.,Karen:When I think,of,all the oil that,has been,used,to make all those plastic bottles.,Daisy:And all the oil that has been used,to,carry,them around the world!,6/20,Karen:And all the,billions,of empty bottles,Daisy:.that will be put,into,the garbage.,Karen:.it doesnt,make,sense!The sad thing is,the,tap,water in this country is pretty good.,Daisy:Its the same in the States.Sometimes the water doesnt,taste,good,but its,always,safe.,Karen:So what are we going to do,about,it?,7/20,Daisy:You tell me!What do you say in a fine,restaurant,when they,ask,you,“Do you want sparking water,or,still,madam?“,Karen:You say,Tap water will be,fine,thank you.,Daisy:Do you?Im,proud of,you,Karen!Here,comes,the waiter.Im,leaving,it to you.,8/20,Read loudly,9/20,Read and answer,10/20,Where are Daisy and Karen?,How expensive are bottled water?,What has oil been used to?,How many empty bottles will be put into garbage?,What is pretty good in Britain and America?,How is the tap water?,How will you answer the waiter?,11/20,The text,12/20,Listening and Understanding:,Daisy:Whats the highest price(that),youve ever been charged,for a bottle of water?,Karen:Oh,I dont know.Some bottle,d,water,s,are,as expensive as,petrol,.,as+adj./adv.+as:和一样,13/20,Daisy:Some of them are as expensive as fine wine.,Karen:When I think of all the oil that,has been used,to make all those plastic bottles.,Daisy:And all the oil that,has been used,to carry them around the world!,14/20,Karen:And all the billions of empty bottles,Daisy:.that,will be put,into the garbage.,Karen:.it doesnt make sense!The sad thing is,the tap water in this country is pretty good.,15/20,Daisy:Its the same in the States.Sometimes the water doesnt taste good,but its always safe.,Karen:So what are we going to do about it?,16/20,Daisy:You tell me!What do you say in a fine restaurant,when they ask you,“Do you want sparking water,or still,madam?“,Karen:You say,Tap water will be fine,thank you.,Daisy:Do you?Im proud of you,Karen!Here comes the waiter.Im leaving it to you.,17/20,Grammar：,被动语态现在完成时，未来时,。,现在完成时：has/have been done,未来时：will be done,18/20,例句：,主动语态：,Nobody has cleaned this room yet，but someone will clean it later.,被动语态：,This room hasnt been cleaned yet，but it will be cleaned later.,19/20,Exercises:,Someone has already cleaned this room.,Someone will clean this room.,This is the highest price that I have ever paid for a bottle of water.,Someone will put all those empty bottles into garbage.,I have left the key on the table.,He will publish his new book next week.,They will rebuild the old stone bridge next year.,They have completed the railway this year.,20/20,
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