(共24张PPT)
八年级·英语· 译林版·下册
Unit 8 A green world
Task
1.记住并会正确运用下列单词:simple、 step、 power。
2.熟练运用所学词汇组织语言完成一篇有关环保的演讲稿。
3.通过学习增强环保意识,树立从我做起,从点滴做起的意识。
课时重点:
能正确运用所学词汇和句型组织语言完成一篇有关环保的演讲稿。
How can we go green How can we save water How can we save power
一、填一填
1.保护环境
2.在使用中
3.多锻炼
4.一些简单的步骤
5.为了做某事
6.养成一种环保的生活方式
go green/protect the environment
be in use
do more exercise
some simple steps
in order to do sth.
develop a green lifestyle
二、译一译
1.多锻炼,少看电视。
2.我们的环境正变得更糟,所以对于我们来说是时候开始保护环境了!
Do more exercise and watch less TV.
Our environment is changing for the worse, so it is time for us to go green!
3.这里有一些简单的步骤。
Here are some simple steps to take.
step在此处是可数名词,意为“步骤,措施”。step作可数名词时,还可意为“脚步；脚步声；台阶”。
4.为了节约能源,我们应该在离开房间时关灯。
5.我们应该把废弃物分组以便它能被回收利用。
In order to save power, we should turn off the lights when we leave a room.
We should separate waste into different groups so that it can be recycled.
三、想一想
1.worse是哪个词的比较级 它的最高级形式是什么
2.写出exercise的词性和词义。
worse是bad、badly和ill的比较级形式;worst是最高级形式。
exercise作可数名词,意为“体操,一种运动;练习,训练”;作不可数名词时,意为“运动,锻炼”;作不及物动词时,意为“运动,锻炼,训练,练习”。
阅读课文,回答问题
1.阅读课本A部分内容,回答问题:
(1)What can we do to save water
(2)What can we do to save power
(3)What can we do to reduce pollution
(4)What else can we do to live a green life
2.独立完成课本B部分的练习,两人一组互相检查,核对答案。
3.三人朗读完整的文章,全班核对答案后集体齐读。
小组讨论
1.四人一组讨论如何写关于环保的演讲稿。
(1)可就环保的某一方面,如保护野生动物、保护热带雨林、减少垃圾、减少大气污染等,谈谈自己的看法,并从为何要采取措施、采取何种保护措施等角度展开讨论。
(2)演讲稿应内容翔实、语言生动,要能使听众对其中宣传的活动产生兴趣。
2.根据讨论结果,独立完成一篇关于环保的演讲稿。
3.两人一组,相互评论、检查、修改。
4.三人上台演讲。
海报设计
四人一组为演讲设计海报,并将制作好的海报张贴在教室墙上供展览、交流。
● Here are some simple steps to take. 这是有一些简单的步骤。
simple在此处是形容词,意为“简单的,简易的”。例如:
It’s a simple way. 那是个简单的方法。
She likes writing stories in simple English for children. 她喜欢用简单的英语为孩子们写故事。
【拓展】simply是副词,意为“简直,完全地”,常用来加强语气。例如:
Amy simply did not know what to say. Amy完全不知道该说什么。
Our Chinese teacher asked him to write simply. 我们语文老师让他写得简洁明了些。
【辨析】simple和 easy
[做一做]按要求完成下列各题。
1.You can enjoy water sports, or (simple) lie on the beach. （用所给词的适当形式填空）
2.这是一个简单的字谜,但对这个小女孩来说做出来是不容易的。（根据汉语意思完成句子）
This is a(n) word puzzle, but it’s not
the little girl to work it out.
simply
simple
easy
for
● In order to save power, we should turn off the lights when we leave a room. 为了节约能源,我们应该在离开房间时关灯。
in order to save power在句中作目的状语,与动词不定式相比,它的语气较强;in order to do sth.的否定式是in order not to do sth.。该短语可以置于句子开头,用逗号与句子隔开,也可置于句中,但无需用逗号。例如:
People must eat in order to live. 为了生存,人们就得吃东西。
【拓展】in order to也可以改为由in order that引导的目的状语从句。值得注意的是,在in order that引导的目的状语从句中,谓语动词常用情态动词can、 could、 may、 might等。另外,in order to可与so as to或so that引导的目的状语从句进行同义句转换。例如:
In order to catch the early bus, he got up early this morning.为了能赶上早班车,今天早晨他很早起床。
= He got up early this morning so as to catch the early bus.
= He got up early this morning in order that he could catch the early bus.
= He got up early this morning so that he could catch the early bus.
[做一做]按要求完成下列各题。
1. stop more accidents, we should slow down when driving.(in order that/in order to)（选词填空）
2.He works hard in order that he can change his life.
（同义句转换）
He works hard his life.
In order to
in/so
order/as
to
change
语篇填空
阅读短文,根据语篇要求填空,使短文通顺、意思完整。每空限填一词。
Trees are useful to man in two very important ways.
The first important way 1. that they provide man
with food, wood and other products (产品). Trees
is
provide man and animals with food to live 2. the Earth.It's not easy for man to live on the Earth without trees.
The second important way is 3. trees give us shade. On a hot summer day, people can have 4. rest under the shade of a tree after they have walked a long way. You can imagine（想象）5. important
that
on
a
how
the shade of a tree is to man and animals.Unit 8 Task
【学习目标】
1.记住并会正确运用下列单词:simple、 step、 power。
2.熟练运用所学词汇组织语言完成一篇有关环保的演讲稿。
3.通过学习增强环保意识,树立从我做起,从点滴做起的意识。
课时重点:
能正确运用所学词汇和句型组织语言完成一篇有关环保的演讲稿。
【预习导学】
一、填一填
1.保护环境
2.在使用中
3.多锻炼
4.一些简单的步骤
5.为了做某事
6.养成一种环保的生活方式
二、译一译
1.多锻炼,少看电视。
_____________________________________________________________________
2.我们的环境正变得更糟,所以对于我们来说是时候开始保护环境了!
_____________________________________________________________________
3.这里有一些简单的步骤。
_____________________________________________________________________
·学习小助手·
step在此处是可数名词,意为“步骤,措施”。step作可数名词时,还可意为“脚步;脚步声;台阶”。
4.为了节约能源,我们应该在离开房间时关灯。
_____________________________________________________________________
5.我们应该把废弃物分组以便它能被回收利用。
_____________________________________________________________________
三、想一想
1.worse是哪个词的比较级 它的最高级形式是什么
_____________________________________________________________________
2.写出exercise的词性和词义。
_____________________________________________________________________
【答案】
一、
1.go green/protect the environment 2.be in use
3.do more exercise 4.some simple steps 5.in order to do sth. 6.develop a green lifestyle
二、
1.Do more exercise and watch less TV.
2.Our environment is changing for the worse, so it is time for us to go green!
3.Here are some simple steps to take.
4.In order to save power, we should turn off the lights when we leave a room.
5.We should separate waste into different groups so that it can be recycled.
三、
1.worse是bad、 badly和ill的比较级形式;worst是最高级形式。
2.exercise作可数名词,意为“体操,一种运动;练习,训练”;作不可数名词时,意为“运动,锻炼”;作不及物动词时,意为“运动,锻炼,训练,练习”。
【合作探究】
任务驱动一 阅读课文,回答问题
1.阅读课本A部分内容,回答问题:
(1)What can we do to save water
(2)What can we do to save power
(3)What can we do to reduce pollution
(4)What else can we do to live a green life
2.独立完成课本B部分的练习,两人一组互相检查,核对答案。
3.三人朗读完整的文章,全班核对答案后集体齐读。
任务驱动二 小组讨论
1.四人一组讨论如何写关于环保的演讲稿。
(1)可就环保的某一方面,如保护野生动物、保护热带雨林、减少垃圾、减少大气污染等,谈谈自己的看法,并从为何要采取措施、采取何种保护措施等角度展开讨论。
(2)演讲稿应内容翔实、语言生动,要能使听众对其中宣传的活动产生兴趣。
2.根据讨论结果,独立完成一篇关于环保的演讲稿。
3.两人一组,相互评论、检查、修改。
4.三人上台演讲。
任务驱动三 海报设计
四人一组为演讲设计海报,并将制作好的海报张贴在教室墙上供展览、交流。
【知识超市】
● Here are some simple steps to take. 这里有一些简单的步骤。
simple在此处是形容词,意为“简单的,简易的”。例如:
It's a simple way. 那是个简单的方法。
She likes writing stories in simple English for children. 她喜欢用简单的英语为孩子们写故事。
【拓展】simply是副词,意为“简直,完全地”,常用来加强语气。例如:
Amy simply did not know what to say. Amy完全不知道该说什么。
Our Chinese teacher asked him to write simply. 我们语文老师让他写得简洁明了些。
【辨析】simple和 easy
simple 意为“简单的”,多指因不复杂而显得容易。 This is a simple puzzle. 这是一个简单的谜语。
easy 意为“简单的,容易的”,多指因不需要费力而能做(能理解)。 It's easy for me to swim. 对我来说游泳很容易。
[做一做]按要求完成下列各题。
1.You can enjoy water sports, or (simple) lie on the beach.(用所给词的适当形式填空)
2.这是一个简单的字谜,但对这个小女孩来说做出来是不容易的。(根据汉语意思完成句子)
This is a(n) word puzzle, but it's not the little girl to work it out.
● In order to save power, we should turn off the lights when we leave a room. 为了节约能源,我们应该在离开房间时关灯。
in order to save power在句中作目的状语,与动词不定式相比,它的语气较强;in order to do sth.的否定式是in order not to do sth.。该短语可以置于句子开头,用逗号与句子隔开,也可置于句中,但无需用逗号。例如:
People must eat in order to live. 为了生存,人们就得吃东西。
【拓展】in order to也可以改为由in order that引导的目的状语从句。值得注意的是,在in order that引导的目的状语从句中,谓语动词常用情态动词can、 could、 may、 might等。另外,in order to可与so as to或so that引导的目的状语从句进行同义句转换。例如:
In order to catch the early bus, he got up early this morning.为了能赶上早班车,今天早晨他很早起床。
= He got up early this morning so as to catch the early bus.
= He got up early this morning in order that he could catch the early bus.
= He got up early this morning so that he could catch the early bus.
[做一做]按要求完成下列各题。
1. stop more accidents, we should slow down when driving.(in order that/in order to)(选词填空)
2.He works hard in order that he can change his life.(同义句转换)
He works hard his life.
对点自测
语篇填空
阅读短文,根据语篇要求填空,使短文通顺、意思完整。每空限填一词。
Trees are useful to man in two very important ways. The first important way 1. that they provide man with food, wood and other products (产品). Trees provide man and animals with food to live 2. the Earth. It's not easy for man to live on the Earth without trees.
The second important way is 3. trees give us shade. On a hot summer day, people can have 4. rest under the shade of a tree after they have walked a long way. You can imagine (想象) 5. important the shade of a tree is to man and animals.
【答案】
做一做
1.simply 2.simple easy for
做一做
1.In order to 2.in/so order/as to change
对点自测
1.is 2.on 3.that 4.a 5.how
2
