(共21张PPT)
Lesson 46
Protect Our Environment
Unit 8 Save Our World
同学们，上一课学习的单词、短语和句型你们都掌握了吗？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. ① 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
提出话题，简洁明了。
自然过渡，引出下文。
体裁：议论文
文章结构：总—分—总
温馨提示：此符号表示“考点精讲点拨”链接。
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. ② I take short showers. I often check to make sure there aren't any leaks, and I never forget to turn off the tap. ③
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.
第3 、4 段都以疑问句作为开头，旨在吸引读者，提高阅读兴趣。
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. ④ Buses make some pollution, but lots of people can travel on a bus. Buses make less pollution than cars.
是段落主题句。
In fact, if each of us makes a small change in our life, we can make a big difference to our environment. ⑤ 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.
small 与big形成对比，重在突出生活中的小改变就会给环境带来大影响，呼吁人们为保护环境做贡献。
□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 showers
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Read and tick the points mentioned in the lesson.
2) Compare the two pictures. Tick the words to describe the differences.
pollution clean garbage air car sky
transportation travel tree environment
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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 should
We shouldn’t
①I think everybody should take care of the environment.
take care of 照顾，照料
e.g. I believe that neighbors can take good care of your son while you are out. 我相信在你外出期间邻居们会好好照顾你儿子的。
Take care! A dog is running after you!
当心！一只狗正在后面追你！
考点1
相当于look after
take good care of ＝look after...well 好好照顾；
take care ＝look out ＝ be careful是“当心；小心”的意思。
中考在线1：My mother is ill. I have to ________ her in the hospital after class.
[新疆]
A. look after B. look up
C. take care D. take after
A
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温馨提示：可返回原文
②I try to save water in many ways.
save /se v/ v. (to avoid wasting sth. ) 节省，储蓄，挽救
e.g. That will save you 50 pence a week.
那将使你一星期节省50 便士。
A police officer saved the tourist from being cheated.
一位警察使游客免于受骗。
The dog saved the boy’s life.
这只狗救了那个男孩的命。
考点2
① save...from(doing)
挽救……免于……
② save one's life
救某人的命
中考在线2：These beautiful animals are endangered. We must _______ them. [江西]
A. save B. show
C. stop D. catch
【点拨】采用词语辨析法。句意为“这些美丽的动物濒临灭绝。我们必须挽救它们”。save 节约，挽救；show 展示；stop 停止；catch 抓住。
A
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③I often check to make sure there aren’t any leaks, and I never forget to turn off the tap.
check /t ek/ v. 检查，核查
e.g. 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。
Do you want to pay in cash or by check
你想用现金还是用支票付款呢？
考点3
用支票
中考在线3：I was busy this morning and didn’t have time to _______ my email.
[天津]
A. waste B. punish C. believe D. check
【点拨】本题用联系上下文法。waste 浪费；punish 惩罚；believe 相信； check 检查。联系上文“busy”及下文“my email”可知，只有check 符合语境。
D
返回
④Unlike other types of transportation, a bike doesn’t make any pollution.
unlike / n la k/ prep. 不像
e.g. Unlike Lucy, Lily dislikes long dresses.
不像露西，莉莉不喜欢长裙。
考点4
unlike 不像--like 像
like 喜欢-- dislike 不喜欢
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⑤In fact, if each of us makes a small change in our life, we can make a big difference to our environment.
make a difference 有影响；有关系
e.g. Whether he will come or not makes no difference.
他是否会来并没有影响。
Lucy has got a bad cold. It may make much difference to her physics competition. 露西感冒很严重，这有可能会对她的物理竞赛造成很大影响。
考点5
make some/no difference
(to sb./sth.) (对某人/ 某物) 有些影响/ 没有影响
difference前还可用much, big等修饰。
中考在线4：A Christmas Carol was written to make every reader think about how they could make a ____________ to their society. (different )
[临沂]
difference
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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 offLesson 46 Protect Our Enviroment
Learning aims:
Know about the pollution in our country.
We all should take care of our environment.
Learning important points:
How do you think the pollution in our country
What should we do to stop pollution
Learning tools:
audiotape, flashcards, pictures
Learning steps:
Step 1. Come to “THINK ABOUT IT.”
How often do you take a shower
Why should we take short showers
What can you do to save water
Step 2. Show the new words to the class. First let them read them by themselves. Then read them after the teacher. Practice the words for a while.
Step 3. Let’s Do It
What good things has Katie done for the environment
Do you feel the same or different about the environment as Katie Why
Step 4. Listening
Step 5. Reading
Read the text in silence. Check the answers. Then let the students read the text in class loudly.
Step 6. Discussion
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