内容正文:
Unit 1 The Changing World
第 1 课 时 (1a—2d)
Section A
What changes have taken place
around you?
1
单词:rough,sandstorm,farmland,shortage,lack,bush ,root,soil,sandy ,governmen,support,corn
短语: bring about,be covered with,take place,see a doctor
句型:①The area used to be covered with sand.
②What did they do to solve this problem?
③They planted bushes and trees. The land has become...
1
能听懂两段有关家乡变化的对话,获取对话中关于交通、医疗、购物、环境等方面的过去与现在的对比。能讨论家乡各项变化产生的原因,能提出改善环境问题的个人想法。
2
Learning Goals
2
Warming-up
What changes have taken place in railway transportation in China over the past 20 years?
train type: green train
speed: 120 km/h
service: toilet, boiled water
2005
2025
Trains have become faster, more comfortable and convenient.
train type: high-speed train speed: 350 km/h
service: toilet, boiled water, air conditioner, Wi-Fi, power outlet,
food ordering
Read and Discuss
Warming-up
How did these changes happen?
train type: green train
speed: 120 km/h
service: toilet, boiled water
2005
2025
Many Chinese scientists and engineers have worked hard to develop new technologies.
.
train type: high-speed train speed: 350 km/h
service: toilet, boiled water, air conditioner, Wi-Fi, power outlet,
food ordering
Read and Discuss
New schools?
New Hospital?
New Railway?
What changes have taken place in your hometown?
Changes
The photos show changes in Li Rui's hometown over the years.
What are they? How do they make you feel?
Past
Present
The land looks dry and poor.
There were few trees or plants.
The old building looks lonely.
Everything is green!
Trees and plants are everywhere.
Parks, and even new building.
Pre-listening
1a
Changes
The photos show changes in Li Rui's hometown over the years.
What are they? How do they make you feel?
Past
Present
Pre-listening
1a
Happy
surprised
Amazed
Now, we will listen to a short telephone conversation in 1b. Listen for the main purpose and then and check if your predictions are right.
Predict
Now, we will listen to a short telephone conversation in 1b.
Listen then answer the questions.
1. Why does George call Li Rui?
2. What is the relationship between George’s father and Li Rui’s grandfather?
3. When did George’s father last visit the place?
He calls to ask if Li Rui can be a guide for him and his father.
They were good friends.
20 years ago.
1b
While-listening
Listen again and check the answers.
LiRui: Hello, George.
George: Hi, Li Rui. Guess what? My father, Bob, and I are going to visit
your hometown. Could you be our guide?
Li Rui: Sure! I’d love to!
George: Wonderful! You know, my father’s last visit was about 20 years
ago. He became a good friend of your grandfather.
Li Rui: Grandpa will be so happy. They haven’t seen each other for ages!
George: Yes, and my father really wants to see how the place has changed
since he last visited.
When visit?
Why call?
What relationship?
Li Rui is now showing George and his father around her hometown.
Listen to their conversation and complete the table.
Past Present
• It took ______ to reach the town.
• Going to school by bus took ______
over rough roads.
• With the new roads, it takes only _________.
• Going to school takes only _________.
They used to ___________________
to see a doctor. The town has built a new .
They didn't have for shopping. They now have a down the street.
The hills were covered with ________. They are now covered with .
nearly 40 minutes
go to the big city far away
good places
sand
half a day
an hour
15 minutes
hospital
supermarket
beautiful trees
被… 覆盖
过去常常
到达
1c
Listen again and check the answers.
Li Rui: What do you think of your trip so far?
Bob: Amazing! When I first visited here, it took half a day to reach the town. Now, with
the new roads, it takes only an hour.
Li Rui: Yes. When I was a child, the bus took nearly 40 minutes over rough roads to
get to school. Now, it takes only 15 minutes.
George: Life is much easier!
Li Rui: Not only that. We used to have to travel far to see a doctor, but now our town has
built a new hospital.
Bob: Great! And didn’t I see a supermarket down the street?
Li Rui: Yes. We didn’t have any good places for shopping until 10 years ago.
Bob: But the biggest change is on the hills. They used to be covered with sand.
Li Rui: And now they have been covered with beautiful trees!
New Supermarket
New Hospital
New Roads
shorter time
Green Hills
Li Rui’s
hometown
Discuss the changes in 1c. How do you think they happened?
New Roads
government support
people’s hard work
needs of life
New Supermarket
Besides these
good changes,
there were also
some problems .
Let’s look at 2a.
Shorter travel time
New hospital
Green Hills
1d
Rank the following problems from 1 to 4, with 1
being the worst. Give your reasons.
destroy
everything
can’t grow
enough food.
makes farming
and daily life
very hard.
can learn
I think... is the worst because...
2a
Listen to the conversation between George’s father and Li
Rui’s grandfather. What problems in 2a did they mention?
There used to be sandstorms all the time... There are fewer sandstorms now...
the fields were
getting smaller
and smaller.
the environment
is getting better.
2b
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.
Listen again and fill in the table.
How has the environment affected local lives?
sandstorms
fields
从那以后
在政府支持下
hand
long
hold
areas
machines
bigger
trees
fewer
better
2c
Listen again and check the answers.
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. 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.
New Supermarket
New Hospital
New Roads
shorter time
What
changes?
Green Hills
Past
Action
Result
Discuss how the problems in 2b were solved.
A: My city is lovely.
B: What are some of the special places there?
A: Well, there’s a concert hall there.
It’s been around for at least 20 years.
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...
Post-listening
2d
Every big change starts with a small step.
The future of our hometown is in our hands.
What change do you want to see in your hometown?
What can you do to help?
Clean the street.
Let’s think.
plant more trees
Protect the environment
Language points
1. Going to school by bus took nearly 40 minutes over rough roads.
乘坐公交车上学,在崎岖不平的道路上花了将近40分钟。
rough /rʌf/ adj. 崎岖的
In the past, a rough path connected the two villages.
过去,一条崎岖的小路连接着这两个村庄。(作定语)
The mountain road is rough at first and becomes smooth as we go down.
这条山路起初崎岖不平,往下走就变得平坦了。(作表语)
用于形容表面高低不平,在句中作定语或表语,反义词为 smooth“平坦的”。
词义拓展 粗糙的 艰难的 大致的
rough hands 粗糙的双手 a rough time 艰难时期 a rough idea大致的想法
2. They used to go to the big city far away to see a doctor.
他们过去常常去很远的大城市看病。
used to do sth表示:过去常常做某事(但现在不做了)。
(1)肯定句:过去有 / 过去做 结构:主语+ used to + 动词原形
They used to walk a long way to see a doctor.
他们过去常常走很远的路去看病。
(2)否定句:过去不 / 没有 结构:主语+ didn’t use to +动词原形
They didn’t use to have a big shop. 他们过去没有大商店。
(3) 一般疑问句:过去…… 吗? 结构:Did + 主语+ use to + 动词原形?
Did you use to play football? 你过去常常踢足球吗?
3. The hills were covered with sand.
be covered with... 意为“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。
cover...with sth 用某物盖住……
Mum covers the table with a clean cloth.
妈妈用一块干净的布盖住桌子。
4. sandstorms
合成词
sandstorm由sand与storm组合而成。英语中,由两个或两个以上的词合成一个新词,这种构词法叫作合成法。如:
snowstorm 暴风雪 thunderstorm 雷暴
greenhouse 温室 farmland 耕地
playground 操场 English-speaking 说英语的
5. water shortage lack of technology
两者为同义词,均可作可数名词和不可数名词,常用于“There is no shortage/lack of...”结构,表示“不缺……”。
shortage /ˈʃɔːtɪdʒ/ n. 短缺 lack /læk/ n. 缺乏
There is no shortage/lack of delicious food in this small town.
这个小镇不缺美味的食物。
The company is facing a shortage/lack of skilled workers this year.
这家公司今年面临技术工人短缺的问题。
lack v. 没有;缺乏
He lacks courage to speak in public.
他缺乏在公共场合说话的勇气。
用法拓展
6. They began planting it in sandy areas, with the government’s support.
在政府的支持下,他们开始在沙地地区种植它。
由“sand (n. 沙子) + -y (形容词后缀)”构成。
sandy /ˈsændi/ adj. 铺满沙子的;含沙的
We walked on the sandy beach for an hour yesterday.
昨天我们在沙滩上走了一个小时。
The soil in my garden is very sandy.
我花园里的土壤含沙量很高。
-y表示“充满……的;有……特性的”,通常加在名词后构成形容词。
dust n.灰尘 — dusty adj. 布满灰尘的
hair n.毛发 — hairy adj.毛茸茸的
词缀拓展
(1) [及物动词] support sb. in (doing) sth. 在(做)某事方面支持某人
support /səˈpɔːt/ n. & v. 支持
You have to trust and support each other during matches.
在比赛期间,你们必须互相信任和支持。
We’ll support you in making your own decision.
我们将支持你自己做决定。
(2) [不可数名词] with sb.’s support = with the support of sb. 在某人的支持下
support /səˈpɔːt/ n. & v. 支持
With my teacher’s support, I finished the task successfully.
在老师的支持下,我成功完成了任务。
My parents always give me enough support during my growth.
在我成长的过程中,我的父母总是给我足够的支持。
词义拓展 养活 He works hard to support his family. 他努力工作以养活自己的家庭。
证实 The facts support our conclusion. 这些事实证实了我们的结论。
1. It takes four hours _________ (travel) from Shanghai to Beijing by train.
2. The books are _______ (cover) with dust.
3. Sea buckthorn (沙棘树) grows on ______ (sand) soil.
4. Terrible ___________(sandstorm) once appeared all the time in this small town.
.
一、用所给词的适当形式填空。
Practice
to travel
covered
sandy
sandstorms
二、完成句子,每空一词。
1. 在父母的支持下,我赢得了比赛。
I won the competition _____ _____ _______ _______.
2. 我过去常步行去学校。
I _____ _____ _____ to school.
3. 是什么使他的家乡改变了?
What _______ ______ the change in his hometown?
with my parents’ support
used to walk
brought about
null
34716.914
null
56658.633
null
58487.11
$