新概念英语青少版3B：Unit 29 Sparkling ，still or tap？课件（19张PPT）

课件19张PPT。 Unit 29 Sparking, still or tap?苏打水，蒸馏水，还是自来水？sparkling water
Still watertap waterWords and expressions：sparkling：起泡沫的
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 负责人
no charge 免费；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.
Who's in charge here?
carry：运送
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 自豪的
ashamed：be ashamed of 羞耻的
waiter，waitress 服务员
eat out：出去吃饭
recycle：回收利用
convenient：方便的
the highest ——the lowest
price：价格
expensive——cheap
petrol：石油
plastic：塑料的
empty：空的
Listen and fill in the blanks.Daisy: What’s the highest price that you’ve ever been charged for a bottle of water?
Karen: Oh, I don’t 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 …!
Karen: And all the billions of empty bottles……
Daisy: ….that will be put into the garbage….
Karen: ...it doesn’t make sense! The sad thing is, the tap water in this country is pretty good.
Daisy: It’s the same in the States. Sometimes the water doesn’t taste good, but it’s always safe.
Karen: So what are we going to do about it?
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? I’m proud of you, Karen! Here comes the waiter. I’m leaving it to you. Read and answerWhere 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?
The textListening and Understanding:Daisy: What’s the highest price (that) you’ve ever been charged for a bottle of water?
Karen: Oh, I don’t know. Some bottled waters are as expensive as petrol.
as+ adj./adv. +as: 和…一样
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 …!
Karen: And all the billions of empty bottles……
Daisy: ….that will be put into the garbage….
Karen: ...it doesn’t make sense! The sad thing is, the tap water in this country is pretty good.
Daisy: It’s the same in the States. Sometimes the water doesn’t taste good, but it’s always safe.

Karen: So what are we going to do about it?
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? I’m proud of you, Karen! Here comes the waiter. I’m leaving it to you.
Grammar：被动语态的现在完成时，将来时。
现在完成时：has/have been done
将来时：will be done例句：
主动语态：
Nobody has cleaned this room yet，but someone will clean it later.
被动语态：
This room hasn’t been cleaned yet，but it will be cleaned later.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.