(共36张PPT)
译林版·八年级下册
Unit 8 A green world
Comic strip & Welcome to the unit
学 习 目 标
1.掌握本课节新单词及短语：dig, serious, wise, turn off.
2.能准确运用有关保护环境的表达;
3.能就环保的话题展开讨论。
4.培养学生保护环境的意识。
Did you know that all around the world, 3 to 6 billion trees are cut down each year Have you ever planted a tree
Plant more trees
1. What is Hobo going to do
2. Will more trees be planted this year
3. What does Eddie like doing
4. What will Eddie plant
He is going to plant trees.
Yes. Trees are good for us.
He likes digging in the garden.
He will plant breadfruit trees.
Listen and answer
Act out the comic strip
Fill in the blanks.
Hobo ___ ______ _____ plant trees. Eddie ____ ___ with Hobo, because he likes ______ in the garden. Eddie _____ _____ breadfruit trees.
is
going
to
will
go
digging
will
plant
Language points
1. What are you going to do 你打算做什么？
句中be going to do sth.意思是“打算、计划做某事”。
e.g. I am going to plant trees this Sunday.
我打算这个星期天去植树。
He is going to see a film next weekend.
他打算下个周末去看电影。
2. Will more trees be planted this year
今年更多的树将会被种植吗？
句中will be planted 意思是“将会被种植”，“will be + 动词的过去分词”是一般将来时的被动语态。
e.g. The panda will be sent to the zoo tomorrow.
这只大熊猫明天将被送到动物园。
3. be serious about 对......认真，负责
She is always serious about her work.
她总是对工作很认真。
If you're serious about becoming an actor, you must work hard.
如果你真想当一名演员, 你一定要努力工作。
将下列句子改为被动语态。
1) His father will mend his bike.
__________________________________
2) John didn’t finish the homework.
__________________________________
3) Did Mike watch the new movie yesterday
__________________________________
His bike will be mended by his father.
The homework was not finished by John.
Was the new movie watched by Mike yesterday
4) Are the students going to plant trees tomorrow
_________________________________
_________________________________
Are trees going to be planted by the students tomorrow
即时练
The class 1, Grade 8 students are talking about ways to live a green life. Look at the pictures below and match them with the correct sentences.
A green life
a. We can reduce air pollution by riding bicycles.
b. We can save water by taking shorter showers.
c. We can save energy by turning off the lights when we leave a room.
d. We can protect the environment by recycling waste.
We can reduce air pollution by riding bicycle.
我们可以通过骑自行车来减少空气污染。
句中reduce air pollution 意思是“减少空气污染”，“by doing sth.”意思是“通过做某事”。
e.g. We can protect the environment by recycling things.
我们可以通过回收利用东西来保护环境。
We can save energy by turning off the lights.
我们可以通过关灯来节约能源。
Mr Wu is asking the students how to live a green life.Work in groups and discuss what you can do.Use the conversation below as a model.
Listen and answer
1. How did Kitty go to school in the past
2. What about now
3. What does Millie think she should do to live a green life
Her father used to drive her to school.
They take the underground now.
She thinks it’s wise for people to choose public transport and ride bicycles.
4. What about Daniel
5. What about Sandy
He thinks we can take shorter showers to save water.
She thinks we should remember to turn off the lights when we leave a room.
Read the conversation after the recorder.
Mr Wu: What should we do to live a green life, class
Kitty: My dad used to drive me to school, but now we take the underground. More and more families own cars and thiscauses serious air pollution.
Millie: I agree. It's wise for people to choose public transport or ride bicycles.
Daniel: I think we can take shorter showers to save water.
Sandy: Yes. And we should remember to turn off the lights when we leave a room.
Work in pairs and use the conversation as a
model . One plays the role of “Mr. Wu” , others
are Kitty, Millie , Daniel and Sandy.
Act out the conversation
Work in groups and talk about the ways to live a green life.
A: What should we do to live a green life
B: I think ….
C: I think ….
D: I think ….
Free talk
Our earth is in trouble! We should try our best to protect the environment. What else can we do
Discussion
1.Dont cut the trees freely.（不要随意砍伐树木）.
2.Throw the rubbish into the dustbins.（把垃圾扔进垃圾箱）
3.Use clothing bags instead of plastic bags.(用布袋代替塑料袋）
4.Plant more trees.（多植树）
5.We can ride a bike instead of driving a car to reduce exhaust gas.
(我们可以骑自行车代替汽车，减少废气）
6.Don't throw anything into the rivers.（不要像河里扔任何东西）
7.Protect the wild animals.(保护野生动物）
8.Callback the goods which can be callbacked.(回收利用可回收物）
9.Douse the clim conveniently to save power.(随手关灯,节约用电）
10.Use water which can be used more times for more.(一水多用）
1. My dad used to drive me to school.
我爸爸过去常常开车送我去学校。
句中used to do sth. 意思是“过去常常做某事”。used to表示过去的习惯动作或状态，它可以用于各种人称，其后接动词原形。
e.g. They used to play football on the playground.
他们过去常常在操场上踢足球。
Language points
“drive sb. + 地点副词/to + 地点名词”意为“驾车送某人去某地 ”。drive to sp. = go to sp. by car意思是 “开车去某地”。
e.g. Can you drive me to the train station
你可以开车把我送到火车站吗？
My friends often drive to work.
= My friends often go to work by car.
我的朋友们经常开车去上班。
2. It’s wise for people to choose public transport or ride bicycles. 对人们来说选择公共交通或骑自行车是明智的。
It is + adj. + for sb. + to do sth. 意思是“对某人来说做什么事情怎么样”。常用于此句型的形容词有important, difficult, dangerous, necessary, useful, possible等，用来对 to do sth. 进行说明，此句型可以转换成To do sth. is + adj.。
e.g. It is very important for students to learn English well.
对学生们来说学好英语是很重要的。
It is + adj. + of + sb. + to do sth.，常用于此句型的形容词有good, kind, nice, clever, wise 等，用来对sb.的性格、品质等进行说明，将这个句型中的 sb. 和 adj. 提出来可以造句为 sb. + be + adj.。
e.g. 你这样说真是太好了。
It’s very kind of you to say so.
根据汉语提示写单词。
1. Is he ________ (严肃的)
2. We can ________ (减少) air pollution by riding bicycles.
3. He is ________ (挖洞) in the garden.
4. We can ________ (回收利用) old things.
5. It is ____ (明智的) of you to take a map.
serious
reduce
digging
recycle
wise
Exercises
1. 打算、计划做某事
2. 植更多的树
3. 在花园里挖土
be going to do sth.
plant more trees
dig in the garden
翻译下列短语
4. 种植水果面包树
5. 对…... 有好处
6. 减少空气污染
7. 严重的，严肃的
plant breadfruit trees
be good for …
reduce air pollution
be serious
8. 节约水/能源
9. 引起严重的空气污染
save water/energy
cause serious air pollution
Translate the setences into English.
我们能为绿色生活做些什么呢？
我常常乘地铁上班。
我们可以通过骑自行车来减少空气污染。
乘坐交通工具是明智的。
离开教室时请关灯。
What should we do to live a green life
I usually take the underground to go to work.
We can reduce the air pollution by riding bicycles.
It’s wise for people to choose public transport.
Please turn off the lights when you leave the classroom.
Homework1. Remember the new words and phrases.2. Read and recite Part B.3. Make a similar dialogue using Part B as a model and write it down.4. Take some actions around your neighbourhood to protect the environment.谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
兼职招聘：
https://www.21cnjy.com/recruitment/home/admin
