UNIT8 Lesson 46 教学课件--冀教版初中英语八年级下

(共22张PPT)
Lesson 46: Protect Our Environment
UNIT 8 Save Our World
学 习 目 标
掌握单词：truck ,factory,
接触单词：leak, tap, beer ,recycling, unlike
短语和句型：turn off, pick up, take short showers, make sure, again and again;
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认识保护环境的重要性，以及如何保护环境，知道在日常生活中我们应该做什么，不应该做什么。
能够运用所学语言谈论环境污染的状况以及如何保护环境。
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We use them again and again, or we put other garbage in them.
I ride my bike to school every day.
Unlike other types of transportation, a bike doesn't make any pollution.
In fact, if each of us makes a small change in our life，we can make a big difference to our environment.
Lead in
Look at the pictures below. How do you feel
课 堂 导 入
water pollution
air pollution
noise pollution
·Is your hometown clean enough
·Do you have any ideas for reducing waste
Think about it!
Do you have any ideas about for reducing waste
reuse plastic bags
sort garbage at home
take short showers
ride bikes or take buses
factory / f ktri/
n. 工厂
New Words
truck /tr k/
n. 货车；手推车
tap /t p/
n.龙头；阀门
leak /li k/
n.&v.漏；渗漏
课 堂 学 习
beer /b /
n.啤酒
recycling /ri sa kl /
n.回收利用
unlike / n la k/
prep.不像；与……不同
( ) sort garbage at home
( ) reuse plastic bags
( ) bring your own bag when you go shopping
( ) ride bikes or take buses
( ) pike up rubbish off the street
( ) turn off the lights when you leave a room
( ) take short showers
Listen and tick the points mentioned in the lesson.
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Listening
1.When you take a shower, what should you do
2. How do we recycle at home
3.Do you know what makes the most pollution
4.How does Katie go to school every day Why
Read and answer
I make sure there aren’t any leaks. And never forget to turn off the tap.
We sort our pop cans , beer bottles. A truck picks up our recycling every week
Cars and factories.
She rides her bike. Because a bike is unlike other types of transportation,it doesn’t make any pollution.
Compare the two pictures.Tick the words to describe the differences.
pollution　 clean　 garbage　 air　 car sky
transportation 　　travel 　　tree environment
Practice
What can we do to help the environment？Read and match.
We should
We shouldn't
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.
Group work
How do you usually go to school
Do you think what kind of transportation is the greenest
Compare the following transportation.
What can make pollution
Which one makes the least pollution
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Discuss
Language points
1.We use them again and again，or we put other garbage in them.
我们反复使用它们，或者用它们来装垃圾。
(1)again and again是固定搭配，意为“反复地，再三地”。
I like this novel very much，so I read it again and again.
我非常喜欢这本小说，所以我读了一遍又一遍。
(2)put…in…把……放在……里。
Please put your shoes in the shoe cabinet.请把你的鞋子放进鞋柜。
2. I ride my bike to school every day.我每天骑自行车去学校。
ride a/one's bike to…骑自行车去…… 它相当于go to…by bike或go to…on a bike。
My mother rides a bike to work every day.
我妈妈每天骑自行车去上班。
3. Unlike other types of transportation, a bike doesn't make any pollution.
自行车不像其他类型的交通工具，它不产生任何污染。
unlike 介词，不像。
Unlike her mother, she doesn't like watching TV.
不像她妈妈，她不喜欢看电视。
4. In fact, if each of us makes a small change in our life，we can make a big difference to our environment.事实上，如果我们每个人在生活中改变一点点，我们就能对环境产生很大影响。
(1) make a change 意思是“做改动，改变”。
Can I make a change in my reservation
我能改变预定吗？
I think we need to make a change.
我觉得我们需要做些改变。
(2) make a difference意为“有影响；起(重要)作用”。As teachers, you must believe that you can make a difference to the lives of your students.
身为教师，你们必须坚信你们能够影响学生的一生。
Summary
1. Learn some new words and expressions.
2. Be able to understand the passage .
3. Be able to give suggestions on how to protect our environment.
What you do now can _________________ (起重要作用) to your future.
My grandmother tells me the story ______________ (再三地).
She knew in that moment that she needed to _____________ (做出改变).
Whether he _____ ___ _____(骑车) or takes a bus, he always attends class on time.
make a difference
again and again
make a change
rides
a
bike
根据汉语提示完成句子。
课 堂 达 标
1. Finish the exercises of Lesson 46.
2. Preview next lesson.
3. Make a poster about "begin from us" to introduce how to protect the environment.
Homework
Thank you !