Unit 8 Comic strip & Welcome to the unit
【学习目标】
1.记住并会正确运用下列词汇:dig、 serious、 cause、 wise、 turn off等。
2.能正确运用有关如何保护环境的表达。
3.通过学习培养自己保护环境的意识。
课时重点:
能正确运用有关如何保护环境的表达。
【预习导学】
一、填一填
1.植树,种树
2.对……有益
3.空气污染
4.洗澡,淋浴
5.关上(开关)
6.保护环境
7.过去常常做某事
8.越来越多的
二、译一译
1.今年将种植更多的树吗
_____________________________________________________________________
2.树对我们有好处。
_____________________________________________________________________
·学习小助手·
be good for意为“对……有好处,对……有益”。be good to sb. 意为“对某人好”,相当于be friendly to sb.。be good at 意为“擅长……”,相当于do well in。
3.我们可以通过骑自行车来减少空气污染。
_____________________________________________________________________
4.越来越多的家庭拥有小汽车,这导致了严重的空气污染。
_____________________________________________________________________
5.选择公共交通或骑自行车对人们来说是明智的。
_____________________________________________________________________
三、想一想
1.pollute的名词形式是什么
_____________________________________________________________________
2.dig的动名词形式是什么
_____________________________________________________________________
3.drive me to school的另一种表达方式是什么
_____________________________________________________________________
【答案】
一、
1.plant trees 2.be good for... 3.air pollution
4.take showers 5.turn off 6.protect the environment 7.used to do sth. 8.more and more
二、
1.Will more trees be planted this year
2.Trees are good for us.
3.We can reduce air pollution by riding bicycles.
4.More and more families own cars and this causes serious air pollution.
5.It's wise for people to choose public transport or ride bicycles.
三、
1.pollution意为“污染”;polluter意为“污染者,污染源”。
2.digging.
3.drive me to school 意为“开车送我去学校”,相当于take me to school by car。
【合作探究】
任务驱动一 听录音,回答问题
1.听课本Comic strip部分的录音,回答问题。
(1)Why does Hobo want to plant more trees
_____________________________________________________________________
(2)Does Eddie want to go with Hobo
_____________________________________________________________________
(3)What does Eddie want to plant
_____________________________________________________________________
2.两人一组分角色朗读对话。
3.三组同学上台表演。
任务驱动二 完成练习,核对答案
1.看课本A部分的图片,学习词汇。
2.独立完成A部分的练习,全班核对答案。
任务驱动三 对话演练
1.跟读课本B部分的录音,找出对话中谈到的保护环境的常见措施。
(1)______________________________________________________________
(2)______________________________________________________________
(3)______________________________________________________________
(4)______________________________________________________________
2.四人一组进行对话练习。
3.三组同学上台表演。
【答案】
任务驱动一
1.(1)Because trees are good for us.
(2)Yes, he does.
(3)He wants to plant breadfruit trees.
任务驱动三
1.(1)take the underground to school / work
(2)choose public transport or ride bicycles
(3)take shorter showers to save water
(4)turn off the lights when we leave a room
【知识超市】
● We can reduce air pollution by riding bicycles. 我们可以通过骑自行车来减少空气污染。
reduce在此处是及物动词,意为“减少,缩小,降低”,常与介词by或to连用。例如:
My mum has reduced her weight to 55 kilos. That is, she has reduced her weight by 10 kilos. 我妈妈的体重已减少到55千克,也就是说,她已经减了10千克。
【拓展】含reduce的短语:reduce pollution 降低污染;reduce weight减肥;reduce waste减少浪费。
[做一做]按要求完成下列各题。
1.The costs were (减少) by 20% last year and it was a great success.(根据汉语提示补全单词)
2.我们应该知道如何减少污染。(根据汉语意思完成句子)
We should know how to .
● It's wise for people to choose public transport or ride bicycles. 选择公共交通或骑自行车对人们来说是明智的。
wise在此处是形容词,意为“明智的,充满智慧的”。be wise to do sth. 意为“做某事是明智的”。例如:
He was wise not to play computer games. 他不玩电脑游戏是明智的。
Thanks to the wise leaders, our motherland is getting stronger and stronger. 多亏了那些英明的领袖们,我们的祖国正变得越来越强大。
【拓展】wisely 是副词,意为“聪明地,精明地”;wisdom是不可数名词,意为“智慧,学识”。例如:
He showed great wisdom in what he said and did. 他的言行表现出大智慧。
He spends his money very wisely. 他花钱非常精明。
【辨析】clever, bright和 wise
clever 意为“聪明的,机灵的,灵巧的,伶俐的”,主要侧重于形容人思维敏捷、做事灵巧;形容反面人物时,意为“狡猾的”
bright 意为“明亮的,鲜明的,聪明的,愉快的”,可与clever互换,但不如clever用得广,一般用来形容小孩、儿童或学生
wise 意为“有智慧的,英明的,聪明的”,侧重有渊博的知识和丰富的经验,形容人有远见卓识
[做一做]按要求完成下列各题。
1.Becky (wise) decided to tell us the truth.(用所给词的适当形式填空)
2.You were wise to take the doctor's advice.(写出同义句)
It was you the doctor's advice.
对点自测
补全对话
A:Hi, Tom. 1.
B:I attended a meeting on the weekend.
A:2.
B:It's about the global warming. We should do something to protect the environment.
A:You are right. 3.
B:Well, we can use public transport instead of taking our cars for a start.
A:How about recycling Does that actually help
B:4. . We should take our glass, paper and plastic to a recycling centre.
A:5.
B:I think the biggest problem for our future is that there will not be enough clean water.
A:That is true.
【答案】
做一做
1.reduced 2.reduce pollution
做一做
1.wisely 2.wise of to take
对点自测
1.What did you do on the weekend
2.What is it about
3.What can we do to protect the environment
4.Yes, it does
5.What do you think is the biggest problem for our future
2(共25张PPT)
八年级·英语· 译林版·下册
Unit 8 A green world
Comic strip & Welcome to the unit
1.记住并会正确运用下列词汇:dig、 serious、 cause、 wise、 turn off等。
2.能正确运用有关如何保护环境的表达。
3.通过学习培养自己保护环境的意识。
课时重点:
能正确运用有关如何保护环境的表达。
Look, I have a trowel. What can we use it to do (To dig holes). Hobo is going to dig holes. Do you know why Let’s find out the answer together.
一、填一填
1.植树,种树
2.对……有益
3.空气污染
4.洗澡,淋浴
5.关上(开关)
6.保护环境
7.过去常常做某事
8.越来越多的
plant trees
be good for...
air pollution
take showers
turn off
protect the environment
used to do sth.
more and more
二、译一译
1.今年将种植更多的树吗
2.树对我们有好处。
Will more trees be planted this year
Trees are good for us.
be good for意为“对……有好处,对……有益”。be good to sb. 意为“对某人好”,相当于be friendly to sb.。be good at 意为“擅长于……”,相当于do well in。
3.我们可以通过骑自行车来减少空气污染。
4.越来越多的家庭拥有小汽车,这导致了严重的空气污染。
We can reduce air pollution by riding bicycles.
More and more families own cars and this causes serious air pollution.
5.选择公共交通或骑自行车对人们来说是明智的。
It’s wise for people to choose public transport or ride bicycles.
三、想一想
1.pollute的名词形式是什么
2.dig的动名词形式是什么
3.drive me to school的另一种表达方式是什么
pollution意为“污染”;polluter意为“污染者,污染源”。
digging.
drive me to school 意为“开车送我去学校”,相当于take me to school by car。
听录音,回答问题
1.听课本Comic strip部分的录音,回答问题。
(1)Why does Hobo want to plant more trees
(2)Does Eddie want to go with Hobo
(3)What does Eddie want to plant
Because trees are good for us.
Yes, he does.
He wants to plant breadfruit trees.
2.两人一组分角色朗读对话。
3.三组同学上台表演。
完成练习,核对答案
1.看课本A部分的图片,学习词汇。
2.独立完成A部分的练习,全班核对答案。
对话演练
1.跟读课本B部分的录音,找出对话中谈到的保护环境的常见措施。
(1)
(2)
(3)
(4)
take the underground to school / work
choose public transport or ride bicycles
take shorter showers to save water
turn off the lights when we leave a room
2.四人一组进行对话练习。
3.三组同学上台表演。
● We can reduce air pollution by riding bicycles. 我们可以通过骑自行车来减少空气污染。
reduce在此处是及物动词,意为“减少,缩小,降低”,常与介词by或to连用。例如:
My mum has reduced her weight to 55 kilos. That is, she has reduced her weight by 10 kilos. 我妈妈的体重已减少到55千克,也就是说,她已经减了10千克。
【拓展】含reduce的短语:reduce pollution 降低污染;
reduce weight减肥;reduce waste减少浪费。
[做一做]按要求完成下列各题。
1.The costs were (减少) by 20% last year and it was a great success. （根据汉语提示补全单词）
2.我们应该知道如何减少污染。（根据汉语意思完成句子）
We should know how to .
reduced
reduce
pollution
● It’s wise for people to choose public transport or ride bicycles. 选择公共交通或骑自行车对人们来说是明智的。
wise在此处是形容词,意为“明智的,充满智慧的”。be wise to do sth. 意为“做某事是明智的”。例如:
He was wise not to play computer games. 他不玩电脑游戏是明智的。
Thanks to the wise leaders, our motherland is getting stronger and stronger. 多亏了那些英明的领袖们,我们的祖国正变得越来越强大。
【拓展】wisely 是副词,意为“聪明地,精明地”;wisdom是不可数名词,意为“智慧,学识”。例如:
He showed great wisdom in what he said and did. 他的言行表现出大智慧。
He spends his money very wisely. 他花钱非常精明。
【辨析】clever, bright和wise
clever 意为“聪明的,机灵的,灵巧的,伶俐的”,主要侧重于形容人思维敏捷、做事灵巧；形容反面人物时,意为“狡猾的”
bright 意为“明亮的,鲜明的,聪明的,愉快的”,可与clever互换,但不如clever用得广,一般用来形容小孩、儿童或学生
wise 意为“有智慧的,英明的,聪明的”,侧重有渊博的知识和丰富的经验,形容人有远见卓识
[做一做]按要求完成下列各题。
1.Becky (wise) decided to tell us the truth.（用所给词的适当形式填空）
2.You were wise to take the doctor’s advice.（写出同义句）
It was you the doctor’s advice.
wisely
wise
of
to
take
补全对话
A:Hi, Tom. 1.
B:I attended a meeting on the weckend.
A:2.
B:It's about the global warming. We should do something to protect the environment.
What did you do on the weckend
What is it about
A:You are right. 3.
B:Well, we can use public transport instead of taking our cars for a start.
A:How about recycling Does that actually help
B:4. . We should take our glass, paper
and plastic to a recycling centre.
What can we do to protect the environment
Yes, it does
A:5.
B:I think the biggest problem for our future is that there will not be enough clean water.
A:That is true.
What do you think is the biggest problem for our future
