《Save our world》教案3

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约1240字。

教学课题: Module12  Save our world Unit2           
项目 设计内容 备 注
课时 第 一 课时 课 型 Reading and writing 教具 multi-media
教学目标 知识与能力 To learn to maggestions and give reasons.
过程与方法 To get the main idea of each paragraph and understand the passage.
态度与情感 To know how to save the environment.
重点 Some ways of word formation:prefix and suffix.
难点 To write a passage about how to protect the environment around you.
教学手段方法 Bottom-up approach.
教学过程 教师活动 学生活动 说明或
设计意图
Step 1 Review the phrases in Unit1 造成大量的污染 cause a lots of pollution
制止污染 stop pollution
回收中心 a recycling center
废弃物 waste products
节约能源 save energy
为…忧虑/烦恼 be worried about
遍布城乡spread over cities and villages
使得某人生病 make sb. ill
对健康是一种危害 a danger to one’s health
…是没有用的 It’s no use
比如 such as
收集废弃物 collect waste
好主意 nice/ good /great idea Review the phrases in unit 1.
Step 2
What does symbol mean?

Remember these three words:
Recycling
Recycle bottles
Paper-recycling
Reduce  reuse  recycle Learn about the symbols.
Step 3 Look at the pictures below and describe them. Say which ways are good for the environment and why.
1. We shouldn’t use  disposable food box or disposable chopsticks.
These are some bowls and spoons made of china. We can use them many times.
2. Someone threw an empty bottle in a river.
There are three rubbish bins for recycling, so please divide the waste before you throw things into them. We can save energy.
Know the ways that are good for the environment.
Step 4 Look at the title of the passage. What suggestions do you think the passage will mase the words in the box to help you.
Possible answers:
1.It is better to use china cups and bowls because they can be used many times.
2.It is better to divide the waste into things to recycle and things to throw away.
3.It is necessary to use less plastic bags.
4.You should make a recycling policy for your classmates and yourself. Learn to maggestions.
Step 5 Do a survey Do you walk or ride a bike to school?
Do you buy new clothes just because they are modern?
Do you turn off the lights when you leave the room?
Learn about the fact.



Step 6 Read the suggestions. Loogh the passage and check(√)which suggestions are mentioned in the passage.
1.Order food that you can fimish.
2.Use less electricity at home.
3.Learn ways to recycle rubbish.
4.Use paper cups and bags.
5.Repair things.
6.Divide rubbish into different groups.
7.Collect waste or rubbish to raise money.
8.Burn things to save money.
Read the passage and can maggestions.
Step 7 Find two things you should do and two things you should not do in the passage.Find reasons. 1.Walking or riding a bike doesn’t burn oil and cause air pollution.
2.China cups and cloth bags can be used many times.
3.Old things can be as good as now ones.
4.It’s better to change things into something else than throwing them away or burning them.
Step 8 Language points:
1.green:环保的;无经难的;未成熟的
  How green are you?
  The young man is still green at his job.
  These tomatoes are still too green to pick.
2.turn off:关掉(水源、煤气、电源等) turn on:开
  Please turn off the radio.
  Be quicrn off the gas.
  Turn up:调高(音量)  turn down:调低(音量)
3.ask for sb.:找某人;见某人
  Someone is asking for you at the door.
  ask for sth.:要某物
  He wants to ask for some water.
  ask sb. for sth.:向某人要某物
  Look! She is asking a policeman for help.
  Plastic: adj.塑料的  n. 塑料
4.do with常与what连用。
  I don’t know what to do with the letter.
  deal with常与how连用。
  How will you deal with the naughty boy?
5.divide…into…:把……分成
  Divide the cake into four groups.
6.be harmful to = do harm to对……有害
  Smoking is harmful to your health.
  = smoking does harm to your health.
7.reduce v.减少  reduce to:下降到   reduce by:下降了
  The driver reduced the driving speed.
8.as…as possible:尽可能 
  We have to run as fast as possible.
9.If possible = if it is possible 如果可能
I will go with you if possible.
10. clothes 统指各种衣服,谓语动词是复数; cloth指布,为不可数名词;
  She has a lot of clothes in her bedroom.
  She bought some cloth to make herself a dress.
一块布:a piece of cloth
11.change… into… = turn …into… 把……变成……
   On hot days, we can change ice intowater.
   Change A for B: 用A换B
I’d like to change the books for the photo.
12. ton: n. 吨
   tons of: 大量的;许多的;(口语)
   I have tons of things to do. Know the main points of the passage well.

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