资源简介

(共31张PPT)
Unit 1 Spring is coming!
第 1 课 时
Lesson 1 Planting trees!
单词: duty，reach，hole，press，excellent
短语: press down，protect... from，prevent…from doing sth.，good points
句型：①Who is on weather duty today？
②I learned to plant trees when I visited my uncle last spring.
1
能听懂关于春天植树的对话；能运用所学词汇、句型，围绕“植树”进行对话交流，分享植树的益处
2
Learning Goals
Watch a video
Free talk
Have you ever been the weather reporter for your class
What should you do if you are a weather reporter of your class
week
temperature
I am on weather duty today.
What’s the weather like today
It’s...
—Who is on weather duty today
—It’s …
1
4
Today is ___________(week), ______________(date). The temperature will reach _____________by noon and drop to _______________ at night. It is a/an __________(adjective) day.
Spring is coming!
describe weather and scenes in spring;
talk about different spring activities;
know some Chinese solar terms for spring.
Listen to the song and put the pictures in order.
1
1
4
2
3
Do you like spring
What can you do in spring
In our school life, the weather is also related to some special projects. For example, in spring, there is a project related to both weather and plants. Can you guess what it is
It’s tree planting.
Listen to the conversation and tick the items
mentioned.
Listening
2
steps to plant trees weather
a way to learn about nature school project
different kinds of trees reasons for planting trees
√
√
√
√
Ms Liu: Good morning,everyone! Who is on weather duty today
Wang Mei: It’s me! Today is Monday, March 1. The temperature will reach 15°C by noon and drop to 2°C at night. Overall, it will be a warm, cloudy day.
Ms Liu: Well done, Wang Mei. The days are getting longer, and spring is coming. We have a school project on March 12. Can you guess what it is
Li Ming: Is it tree planting
Ms Liu: Good guess.Do you know how to plant trees
Li Ming: Yes. I learned to plant trees when I visited my uncle last spring. It was so much fun.
Ms Liu: Could you tell us the steps for planting trees
Li Ming: Sure. First, dig a large hole. Then, place the seedling inside the hole, and cover its roots with soil. Finally, press down on the soil. Oh, don’t forget to water the seedling.
Ms Liu: Excellent, Li Ming. Why do people plant trees Do you have any ideas
Song Hua: Trees help protect the soil from rainfall.
Li Lin: Trees prevent dust from spreading.
Ms Liu: Good points. I believe you will have a great time with this project.
√
Let’s check the answers.
√
√
√
Listen to the conversation again and answer
the questions.
Listening
A What’s the weather like today
B Why does Li Ming think the project is about planting tress
C Why do people plant trees
The temperature will reach 15°C by noon and drop to 2°C at night. Overall, it will be a warm, cloudy day.
Because Ms. Liu says“We have a school project on March 12.” March 12 is Tree Planting Day.
Trees help protect the soil from rainfall.Trees prevent dust from spreading.
3
Listen to the introduction to the Great Green Wall
and fill in the blanks.
4
The Great Green Wall was built across northern China. What is the Great Green Wall It is made up of strips of ___________ planted by humans. Each year, dust storms blow away a large amount of soil. The situation is becoming increasingly serious. The Gobi Desert is swallowing about __________ square kilometres of grassland every year. The Great Green Wall project started in __________. By planting more trees, people are preventing the ____________ from expanding and the forest coverage in nothern China is increasing. By the year ______________, the Great Green Wall will be over 4 millon square kilomiles.
forests
3600
1978
desert
2050
Work in pairs. What are the basic steps for
planting a tree What are the benefits of
planting trees Talk with your partner.
5
The basic steps for planting trees:
Dig a large hole.
Place the seeding inside the hole.
Cover its roots with soil.
Press down the soil.
Water the trees.
Trees clean the air
so we can breathe more easily.
Trees make our city more
beautiful.
Trees cool down our
life.
Trees boost our mental and physical health.
Trees help fight climate change.
Trees help protect the soil from rainfall.
Trees prevent dust from spreading.
more....
Who is on weather duty today 今天谁负责天气预报？
on duty 在值班，在值日
“sb. + be + on duty” ，表示 “某人在值班 /值日”，可用于学校值日、职场值班等场景 。
例句： Tina is on weather duty today.
蒂娜今天负责天气预报。
例句：It’s everyone’s duty to save water.
节约用水是每个人的责任。
Language points
2. The temperature will reach 15°C by noon and
drop to 2°C at night. 中午气温将达到15°C，晚上降至2°C。
reach 作动词时的一词多义：
(1) 达到（某阶段、数量或速度等） (2) 到达
(3) 实现；达成 (4) （伸手/ 脚等）够到；伸出（手、脚等）
常见用法：
(1) reach an agreement 达成协议 (2) reach one’s goal 实现某人的目标
(3) reach for 伸手去拿 (4) reach out 伸手
2. The temperature will reach 15°C by noon and
drop to 2°C at night. 中午气温将达到15°C，晚上降至2°C。
例句：The temperature is expected to reach 25 degrees tomorrow.
明天温度预计会达到25 度。
例句：They reached the village last night. = They arrived at the village last night.
= They got to the village last night. 他们昨晚到达了村庄。
例句：One has to work hard to reach his goal. 一个人必须努力去实现自己的目标。
例句：The girl reached for a piece of cake on the table.
女孩伸手去够桌子上的一块蛋糕。
2. The temperature will reach 15°C by noon and
drop to 2°C at night. 中午气温将达到15°C，晚上降至2°C。
reach 还可作名词，意为“影响范围”。
beyond one’s reach 超出某人的能力范围
例句：This math problem is beyond my reach.
这道数学题超出了我的能力范围。
辨析：reach, arrive 与get to
相同点 不同点
reach 均可表示“到达” 及物动词，直接接宾语(地点) ，不接介词。
arrive 不及物动词，接宾语时必须加介词：接大地点(国家、城市等) 用arrive in；接小地点(车站、学校等) 用arrive at。
get to 及物动词短语，若后面的地点是副词(如here/there/home) ，则不加to。
3. I learned to plant trees when I visited my uncle
last spring. 去年春天我去看望叔叔的时候，我学会了种树。
这是一个主从复合句。主句是I learned to plant trees，后面是when 引导的时间状语从句；主句中主语是I，谓语是learned，to plant trees 是动词不定式短语作宾语。
when 和while 都引导时间状语从句。
(1) when 后接“时间点”或“时间段”，用于表示某个动作或事件发生的时间。从句的动作可以和主句的动作同时发生，也可以在主句的动作之前或之后发生。
(2) while 后接“时间段”，主句的动作与从句的动作同时发生，但持续时间一般较长或主句的动作发生在从句的动作进行的过程中。
3. I learned to plant trees when I visited my uncle
last spring. 去年春天我去看望叔叔的时候，我学会了种树。
例句：When I am tired, I like to listen to music.
当我觉得累的时候，我喜欢听音乐。
Call me when you’re finished.
你完成后就打电话给我。
Now I am learning English while my mum is reading newspapers.
现在我在学英语，我的妈妈在读报纸。
4. Finally, press down on the soil. 最后，压实土壤。
press 〔动词〕压；按
〔名词〕报刊，出版社，压力
用法： press down 向下压；按压
press sb. for sth. 向某人迫切索要某物
the freedom of the press新闻自由
例句： Press down on the button to start the machine. 按下按钮启动机器。
I.用括号内所给单词的适当形式填空
Practice
1. We should learn _________ (protect) the environment by planting trees.
2. He ____ (dig) a hole in the garden yesterday to plant a flower.
3. Trees can prevent dust from ___________ (spread) in spring.
4. Don’t forget ______ (close)the door if you are the last person to leave.
to protect
dug
spreading
to close
II.根据汉语意思完成句子
1. 我们每天看天气预报来了解天气。
We watch the weather report every day ________ ________ ________ the weather.
2. 首先，挖一个大坑来种树。
First, ________ ________ ________ ________ to plant the tree.
3. 树木有助于保护土壤免受雨水侵蚀。
Trees help ________ the soil ________ rain.
4. 到中午温度会达到 25 摄氏度。
The temperature ________ ________ 25°C by noon.
to learn about
dig a large hole
protect from
will reach
1. Master the new words and phrases in this part.
2. Write a short passage (at least 60 words) about “My Plan for Planting a Tree”.
Homework

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