课件21张PPT。 Protect Our EnvironmentLesson 46 Save Our WorldUnit 8课文呈现知识讲解…………词汇
听写课堂导入课文1课堂小结课后作业…Lesson 46 Protect Our Environment课堂练习 同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！Now people are still polluting the environment. What should we do to protect our environment?
THINK ABOUT IT
·Is your hometown clean enough?
·Do you have any ideas for reducing waste?
My name is Katie. My name is Katie.
I think everybody should take care of the environment. I live in Edmonton. It is a city in Canada. The air and water are clean in Edmonton, but sometimes people waste a lot.Do you worry about pollution?What do we waste the most? Paper, I think. People waste water, too. I don't want to waste water. I try to save?water in many ways. I take short showers. I often check? to make sure there aren't any leaks, and I never forget to turn off the tap.
Do we recycle at home? Yes! We sort our pop cans, beer bottles and waste paper. A truck picks up our recycling every week. It is made into new things. We reuse our plastic bags, too. We use them again and again, or we put other garbage in them.Cars and factories make the most pollution. I think there are too many cars in Edmonton. More people should ride bikes or take buses. I ride my bike to school every day. Unlike other types of transportation, a bike doesn't make any pollution. Buses make some pollution, but lots of people can travel on a bus. Buses make less pollution than cars.
In fact, if each of us makes a small change in our life, we can make a big difference to our environment. It's not too hard to? protect the environment. We just need to try.We like to ride bikes. It's good for the environment. save/se?v/ v.节省，储蓄，挽救知识点1eg： That will save you 50 pence a week.
那将使你每星期节省50便士。
(南京中考)If everyone thinks about pollution and recycling, we can protect the air and help save our world.如果每个人都考虑污染和循环利用，我们可以保护空气，并帮助拯救我们的世界。考向与save有关的短语： check /t?ek/v. 检查，核对知识点2eg： Look out for spelling mistakes when you check
your homework.
你检查家庭作业时要当心拼写错误。
Let me check my schedule and let you know.
我核对一下时间表，然后告诉您。拓展check【美】还可作“支票”讲，是可数名词，by check用支票。
eg: Do you want to pay in cash or by check?
你想用现金还是用支票付款呢？ too...to...太……而不能……知识点3eg：It is never too late to learn.活到老，学到老。
too...to...结构是一个不含not的否定词组，too是副词，后跟形容词或副词，to为动词不定式符号，后跟动词原形。
eg：He is too young to look after himself.
他太小了，还不能照顾自己。考向【难点】 可与too...to...结构互相转换的结构：典例Amy was so young that she couldn't understand such a thing.(改为同义句)(新疆)
Amy was ________ young ________ understand such a thing.tooto□sort garbage at home
□reuse plastic bags
□bring your own bag when you go shopping
□ride bikes or take buses
□pick up rubbish off the street
□turn off the lights when you leave a room
□turn off the television and shut down the computer
when you are not using them
□take short showersLet's Do It !√√√√Read and tick the points mentioned in the lesson.
2) Compare the two pictures. Tick the words to
describe the differences.Let's Do It !pollution clean garbage air car sky
transportation travel tree environment√√√√√√√√
Let's Do It !3) What can we do to help the environment? Read and
match.open a window instead of turning on the air conditioning.use both sides of the paper.throw garbage on the ground.sort the waste before throwing it away.cut down trees in forests.turn off? the tap when we are
brushing our teeth.We shouldWe shouldn’t turn off关闭知识点4eg: Turn off the gas when you don't use it.
当你不使用煤气时关掉它。
The road turns off to the square here.
这条路在这儿分岔通往广场。考向辨析 shut down与turn off本节课我们主要学习了以下重点内容：
重点单词：save, check
重点短语：too …to…, turn off1.熟记所学知识点，做到灵活运用
2.完成本课时的课后作业
