课件33张PPT。 Save Our WorldUnit 8Let’s Clean Up!Lesson 43 Lesson 43 Let’s Clean Up课文呈现知识讲解…………课堂导入课文1课堂小结课后作业…课堂练习词汇
听写 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！When is World Environment Day? What should we do on World Environment Day?THINK ABOUT IT
·When you see a lot of garbage in your schoolyard, how
do you feel?
·Do you know about World Environment Day? What is it? It's noon. Jenny, Brian and Danny are outside in the schoolyard.
Jenny: Today's June 5. It's World Environment Day!
Brian: It's a special day to draw people's attention? to the
environment. What shall we do today? Look at all of this rubbish!
Danny: What does “rubbish” mean？I don't know that word.Brian：It means “garbage” in American English.
Danny: Oh, I see. There's a lot of rubbish in the schoolyard.
We should pick up? the garbage!
Jenny: Let's do it now.
Danny: It would take too long. There are only three of us!
Jenny: We're studying pollution? in class this week.
Garbage is a type of pollution. This could be a class project! We can ask our classmates to help us.
Brian: Good idea. Each student could clean up? a bit of?
the schoolyard. We would finish cleaning in an hour!(Jenny explains? the plan to the class. All the students agree to help. They wear gloves and carry brown bags. They begin to pick up the garbage.)
Jenny: Danny, you lost your homework, right？I think I
found it! Look at this piece of paper!
Danny: Oh no!Learning Tip
World Environment Day began in 1972. It's organized by the U．N. every year in different countries. Its aim is to remind people to protect the environment. attention/?'ten?n/ n. 注意；留心知识点1考向一attention表示“注意，专心”时，是不可数名词，因此不能与不定冠词连用，也没有复数形式。
eg：You should focus your attention on your
work.你应该把注意力放到工作上。考向二【重点】 与attention构成的短语：
pay attention to“注意……”，后接名词、代词或动名词
draw/catch one’s attention to令谋人注意……
attract one’s attention吸引某人的注意eg: You should pay attention to your handwriting.
你应该注意你的书写。
She drew my attention to an error in the report.
她要我注意报告中的一处错误。
The design of the building attracted my attention.
这座建筑物的设计吸引了我的注意。典例The math teacher got angry with me when I did not ________ him in class yesterday.(贵港)
A．look for B．take care
C．pay attention to D．fall asleep【点拨】考查动词短语辨析。A项表示“寻找”；B项表示“保重”；C项表示“注意”；D项表示“入睡，睡着了”。根据句意“昨天在上课时，我没有认真听讲，数学老师很生我的气。”可知选C。C pick up捡起；拿起知识点2考向一 pick up是动副短语，宾语是代词时需要放在动词pick与副词up之间；宾语是名词时可放在动词和副词之间，也可放在副词up之后。
eg：There is a watch on the ground. Please pick it
up.地上有块手表。请把它捡起来。
I picked up a coin on the road.
我在路上捡到一枚硬币。【易错点】典例—Look! What's on the ground?
—Oh, it's my sweater. Please ________. (陕西)
A．pick it up B．put it on
C．give it out D．take it off【点拨】句意:——看！地上是什么？——哦，是我的毛衣。请把它捡起来。pick up捡起；put on穿上；give out分发；take off 脱下来。A考向二pick up还可表示： pollution/p?'lu??n/n.污染知识点3考向pollution是不可数名词，一般用污染源或者被污染物＋pollution构成表示各种污染的名称。
eg：light pollution 光污染
air pollution 空气污染拓展pollution的动词形式为pollute，意为“污染；弄脏”，常用于pollute sth. with/by sth.结构中。
eg：We should not pollute our rivers with waste.
我们不应该用废弃物污染我们的河流。典例To make a green world, we should try to reduce air ________ (pollute) by walking more and driving less.(南通)pollutionAir is polluted. And air pollution is serious, especially in big cities.空气被污染了。空气污染是严重的，尤其是在大城市。(热点）魔法记忆 clean up把……打扫干净知识点4考向clean up是由动词加上副词构成的短语，所跟的宾语若是代词，要放在动词和副词之间；如果宾语是名词，可放在两者之间，也可放在副词up之后。
eg：You could help clean up the city parks.
你可以帮助清扫城市公园。
Look at your desk！Clean it up!
看看你的桌子吧！把它清理干净！典例Many volunteers will help to ________ the city parks next Friday.(厦门)
A．give up B．pick up C．clean up【点拨】采用短语辨析法。句意：许多志愿者下周五将帮忙打扫城市公园。give up 放弃；pick up捡起；clean up把……打扫干净。Ca bit of一点儿知识点5考向一a bit of作定语修饰不可数名词，相当于a little。
eg：He knows a bit of/a little English.
他懂一点儿英语。典例—Can you speak Chinese, Steve?
—Yes, only ________. I have been in China for
only one month.(云南)
A．few B．a few C．little D．a littleD考向二【易错点】 a bit“有点儿；一点儿”，是用来说明程度的副词短语，在句中作状语，可修饰动词、形容词、副词或比较级，相当于a little。
eg：This pair of shoes is a bit/a little expensive.
这双鞋有点儿贵。
The speaker spoke up a bit/a little so as to make himself heard more clearly.
演讲者把嗓门提高了一点儿，以便使别人听得更清楚。explain/?k'sple?n/v.解释知识点6考向【重点】 explain的用法典例Sally loves chocolate. That ________ (explain) why it's hard for her to lose weight.(无锡)explains
1．Jenny, Brian and Danny are going to do something on World
Environment Day.( )
2．They are studying geography this week.( )
3．They are going to pick up the garbage on the street.( )
4．Jenny found Danny's homework.( )Let's Do It ! TFFT1)Read the lesson and write true (T) or false (F)．Let's Do It !
1．Where are they talking?
In the market. In the schoolyard.
2．What are they talking about?
Picking up garbage. Playing soccer.
3．What is the class project about?
Environment. Pollution. √√√2)Listen to the dialogue and tick the correct answers.A: It’s a cool day, Li Ming. Let’s play soccer in the schoolyard.
B: But look at all of this garbage! We should pick up the
garbage first.
A: That’s too much work! Let’s find others to help us.
B: Our classmates can help us. We can make it a class project
about pollution this week.
A: Good idea! We would finish cleaning in an hour! Jeff: Look at the sky! It's always grey. We can't even see the
sky clearly.
Marina: If this goes on, the birds will fly away and never come
back.
Jeff: Our river used to be very clean. But now look at the
water! There is too much ________ left by the factories.Let's Do It !pollution rubbish schoolyard agree clean attentionrubbish3)Complete the dialogue with the correct
forms of the words in the box.Marina: If this goes on, the fish will die. People should do
something to stop the________．
Jeff：I ________．Let's do something to draw people's
________to this problem. How about putting up a poster?
Marina: Good idea. Jeff, I think our _________ is also quite
dirty. Let's call our classmates to help clean it before the new term starts.
Jeff: OK. We would finish ________ in an hour! pollutionagreeattentionschoolyardcleaningpollution rubbish schoolyard agree clean attention
4)Each World Environment Day has a theme. Here
are some examples. Can you think of your own
theme for it?
1994 One Earth, One Family
1997 For Life on Earth
2002 Give Earth a Chance
2005 Green Cities— Plan for the Planet
2011 Forests: Nature at Your Service
2012 Green Economy: Does It Include You？Let's Do It ! Save Our Sea
Protect the Blue Sky
Pursue Green Fashion
Trend towards Green Civilization本节课我们主要学习了以下重点内容：
重点单词：attention, pollution, explain
重点短语：pick up, clean up, a bit of1.熟记所学单词，短语，句型等知识点
2.完成本课时的课后作业
