内容正文:
Unit1
The Changing World
Section A 2a-2d
What was Li Rui's hometown like in the past?
There used to be ______________.
There were few __________________.
dry and sandy
trees and buildings
There was little __________________.
water and farmland
problems
sandstorms
farmland shortage
water
shortage
/ˈsændstɔːm/
n. 沙尘暴
/ˈfɑːmlænd/ n. 农田;耕地
/ˈʃɔːtɪdʒ/
n. 短缺;不足
What are these signs stand for?
sandstoms
water shortage
farmland shortage
lack of technology
Rank the following problems from 1 to 4, with 1 being the worst. Give your reasons.
2a
/læk/
n. 缺乏;不足
destroy farmland
pollute air
harm people’s health
no enough drinking water
stop plants from growing
lack of food
people can’t make a living
slow farming work
no tools to stop sandstorms
I think... is/are the worst because...
All four problems are closely connected. Sandstorms cause difficult environment and farmland shortage, while lack of technology makes people unable to fix these natural disasters quickly.
What problems in 2a did they mention?
sandstoms
farmland shortage
lack of technology
Listen to the conversation between George’s father and Li Rui’s grandfather.
What problems in 2a did they mention?
2b
sandstoms
farmland shortage
What action should be taken to solve these problems?
Think and share
plant more trees and bushes to hold the soil
root
soil
bush
n. 灌木
n. 根
土壤
2c
Listen again and fill in the table.
How has the environment affected local lives?
Past • There used to be ______________ all the time, and the __________were getting smaller and smaller.
• Locals worked by _______________.
Action • Locals found a bush. It had _______________ roots that could _____________ the soil together.
• They began planting it in sandy ___________, with the government’s support.
• They had ____________ to help.
Present • The corn fields are ________________.
• They have planted many bushes and ________________ since then.
• There are ___________ sandstorms now and the environment is getting _________.
• It has improved local lives.
sandstorms
fields
hand
long
hold
areas
machines
bigger
trees
fewer
better
Tip:
Before listening, you can read the sentences and guess the answers.
In the past, the environment was ... There were ..., and the fields were ... People had to work..., and life was...
Now, the environment is ... People planted ..., so there are ... The corn fields ..., and people have become ... The good environment has improved ...
How has the environment affected local lives?
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Bob: I’m amazed by how green your hometown has become!
Grandpa: Have you seen the corn fields outside of the town yet?
Bob: Yeah! They’re huge!
Grandpa: There used to be sandstorms all the time, and the fields were getting smaller
and smaller. Then, after one big sandstorm, we decided to do something.
Bob: What did you do?
Grandpa: We found a small bush. It had long roots that could hold the soil together. We
began planting it in sandy areas. The government provided support too.
Bob: Wasn’t it difficult to plant so many bushes?
Grandpa: Yes, it was. In the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier.
Role-play
1. 对...感到惊讶/惊叹
sb be amazed by sth
1. 我们对他的巨大成就感到震撼。
2. 她被这美丽的景色惊呆了。
We are amazed by his great achievements.
She was amazed by the beautiful views.
Great changes have 1.________ place in Li Rui’s hometown over the past 20 years.
Years ago, the transport was terrible. When George’s father first visited here, it took him half a day to get to the town. Buses moved slowly on rough roads and the trip was ________. There were no big supermarkets or hospitals. People had to travel far to see a doctor. The hills were ________ with sand, and sandstorms happened all the time. The farmland was becoming smaller and smaller.
Local people decided to make a ________. They found a kind of small bush ________ long roots that could hold the soil together. With the ____________ help, they began to plant these bushes and trees in ________ areas. They worked by ________ at first, and later machines came to help.
Now everything is different. Roads are ________ and new. The bus ride to school only takes 15 minutes. There is a new supermarket and a modern hospital. Green trees cover the hills. Sandstorms are ________, the environment is much better, and people’s lives have improved a lot. Everyone is living a richer and happier life.
taken
tiring
covered
difference
with
goverenment's
sandy
hand
wide
fewer
hand cover tired take few government wide different with sand
A: The area used to be covered with sand.
B: What did they do to solve this problem?
A: They planted bushes and trees. The land has become ...
Discuss how the problems in 2b were solved.
2d
everyone’s efforts
+
=
government’s support
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China has done a lot to stop northern sandstorms.
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China has done a lot to stop northern sandstorms.
the Three-North Shelter
Forest Program
It covers three areas: northwest, north and northeast.
The program started in 1978, and will finish in 2063.
They have planted millions of trees to fight sandstorms and reduce soil loss.
Much land has turned green.
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Think further
As teenagers, what small actions can we take to protect the environment and create a better changing world?
Save water and paper.
Plant more trees and take good care of plants.
Sort rubbish and put it into the right bins.
Use reusable bags instead of plastic ones.
Take public transport often.
Walk or ride bikes for short trips.
be amazed by 被…… 震撼
how引导的感叹句
玉米地
尚/还(现在完成时标志词)
过去曾经有…(现在已经没有了)
一直
比较级+and+比较级, 越来越…
决定…
Bob: I'm amazed by how green your hometown has become!
Grandpa: Have you seen the corn fields outside of the town yet?
Bob: Yeah! They're huge!
Grandpa: There used to be sandstorms all the time, and the fields were getting smaller and smaller. Then, after one big sandstorm, we decided to do something.
Bob: What did you do?
灌木
根部
begin doing 开始…
多沙的
提供支持
provide sth. for sb.= provide sb. with sth.
最初
亲手
自从那之后(现在完成时)
更少的(few的比较级, 修饰可数名词)
Grandpa: We found a small bush. It had long roots that could hold the soil together. We began planting it in sandy areas. The government provided support too.
Bob: Wasn't it difficult to plant so many bushes?
Grandpa: Yes, it was. At the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier.
1. 水资源短缺___________________
2. 耕地短缺_____________________
3. 技术匮乏_____________________
4. 崎岖的路_____________________
5. 对...感到震惊_________________
6. 锁住泥土 ______________________
7. 在沙地 ________________________
8. 提供支持_______________________
9. 手工劳作_______________________
10.改善当地的生活 _________________
第二课时
water shortage
farmland shortage
lack of technology
rough roads
be amazed by
hold the soil
in sandy areas
provide support
work by hand
improve local lives
1.你看见外面的玉米地了吗?
_________________________________ outside of the town yet?
2. 这儿过去总是刮沙尘暴,耕地也变得越来越少。(there)
_________________________________ all the time, and the fields ____________________________________________.
3. 在政府的支持下,我们开始种树和灌木。(begin)
We __________________trees and bushes ________________________.
4. 现在沙尘暴更少了,环境也正在好转。
Now there are _________________________ and the environment _____________________.
5. Li Rui 的家乡在过去20年发生了巨大的变化。(take)
Great changes ______________________ in Li Rui’s hometown _______________________.
Have you seen the corn fields
There used to be sandstorms
were getting smaller and smaller
began planting
with the government's
support
fewer sandstorms
is getting better
have taken place
over the last 20 years
1. The hills were covered with sand.
be covered with... 含义:被…… 覆盖着(强调状态)。
The hills were covered with sand. (过去,小山被沙子覆盖着。)
They are now covered with green grass and trees. (现在,它们被绿草和树木覆盖了。)
The snow covered the ground. (雪覆盖了地面。)
2. since then
时间状语短语,从那时起(直到现在),同义词 from then on
常与现在完成时连用。
He moved to Shanghai in 2010 and has worked there since then.
Since then, the village has built two new schools.
一. 选用方框中的短语填空(每个限用一次)
took a long time new roads used to walk
a modern hospital covered with trees
1. In the past, it ____________________ to reach the town. Now with ____________________, it takes only half an hour.
2. They didn’t have a hospital before. Now they have ____________________.
3. The hills were ____________________. Now they are farmlands.
4. People ____________________ to the doctor’s office in the past.
took a long time
new roads
a modern hospital
covered with trees
used to walk
二、汉语提示填空题
1.这几年你的家乡发生了什么变化?
What changes have __________ __________ in your hometown over the years?
2.过去这些山丘上覆盖着沙子,但现在长满了树。
The hills __________ __________ be covered with sand, but now they are covered with trees.
3.你觉得目前为止这次旅行怎么样?
What do you __________ __________ your trip so far?
4.以前去镇上要花半天的时间。
It __________ half a day to __________ the town in the past.
5.自从他上次来这儿,这个地方改变了很多。
The place has changed a lot __________ he last ________ here.
taken place
used to
think of
took
reach
since
visited
三、用括号内所给词的适当形式填空。
1.Great changes __________________ (take place) in Li Rui's hometown over the years.
2.Li Rui's father ___________________ (not visit) his hometown since 20 years ago.
3.In the past, it __________ (take) half a day to reach the town, but now it only takes an hour.
4.They used to __________ (travel) far to see a doctor, but now there is a new hospital in the town.
5.We began planting it in sandy areas. The government __________(provide) support too.
have taken place
hasn’t visited
took
travel
provided
10356
Lucid waters and lush mountains are invaluable assets!
绿水青山就是金山银山!
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