资源简介

(共12张PPT)
Key question
Why do we need trees？
Section
3
Expressing and communicating ideas
Speaking
Talking about ways of saving trees
Trees are important to us. Talk in groups about how we can save trees. Look at the example and use the list below to help you.
号召
砍伐
双面书写或印刷
borrow sth. from…
从……借……
share sth. with sb. 和某人分享某物
思考
Writing
Writing a script for a live report on Tree Planting Day
1 Look at the pictures from Tree Planting Day and discuss what the students
are doing. Use the expressions below to help you.
send…to…
发送…给…
dig a deep hole
use a stick to support the sapling
plant a sapling ① into the hole
water the sapling
...
2 Now write a script for your live report on Tree Planting Day.
Step 1 Plan Plan your script using the outline below.
Step 2 Write Complete the script according to the outline in step 1.
Some students are planting trees here. Some students are digging deep holes with shovels. They are working very hard. Other students are carefully putting the saplings into the holes. Some are using sticks to support the saplings, and they are tying the sticks to the saplings. Also, some students are carrying water and watering the saplings.
Step 3 Check and revise Tick ( ) the boxes to check your writing,
and then revise it.
Homework
完成相关课后习题
Thanks(共17张PPT)
Key question
Why do we need trees？
Section
4
Extending and developing competencies
Focusing on culture
Tea is one of the wonderful gifts trees provide us with. How did it become a popular drink around the world Let’s explore the history of tea.
1 Read the article and think about the different uses of tea.
When and where did people start drinking tea Historians are not sure, but people in China have grown tea for thousands of years. According to a Chinese legend②, Shennong③ discovered tea by accident when some leaves fell from a tree into
his drink. The oldest tea archaeologists④ have found so far is almost 2,200 years old. It dates back to the early Han dynasty.
根据
偶然的
fall from
从……掉落
追溯到
But before the Tang dynasty, people usually did not drink tea for the taste—they used it as medicine. Thanks to a man named Lu Yu (733–804 CE⑤), people all over China started enjoying tea as a drink. Lu Yu carefully studied the art of making tea, and he wanted to share his knowledge with others. He decided to write Cha Jing (The Classic of Tea). This was the world’s first book about tea and tea culture. It was only about 7,000 characters long, but the book became very popular.
Not long after Lu Yu died, tea culture quickly spread across the country, and he became known as the Sage of Tea. People still read Cha Jing today, and there are translations of the book in English, French, Japanese and many other languages.
多亏，幸亏
制茶
不久之后
become known as 开始作为……出名
in+语言 用语言
2 Answer the questions below with the information from the article
on page 46.
(1) How did Shennong discover tea, according to the ancient Chinese legend
(2) How did people before the Tang dynasty use tea
(3) Why did Lu Yu write Cha Jing
Shennong discovered tea by accident when some leaves fell from a tree into his drink.
People used it as medicine.
Because he carefully studied the art of making tea and wanted to share his knowledge with others.
3 Complete the sentences with the words and phrases below.
Change the form if necessary.
(1) She has a lot of _____________ about the history of tea, and she often appears
on TV to talk about it.
(2) I discovered this book about tea _____________ in the school library.
(3) The different parts of a Chinese _____________ have different meanings.
(4) I didn’t like the old _____________ of the novel—the new one is much better.
(5) _____________ my friend Wang Yao, there was a great TV programme about
tea last night.
knowledge
by accident
character
translation
According to
4 What kinds of tea in China do you know Which of these have you tried
Share your experiences / ideas in groups.
Cross-curricular connection | Biological science
From the podcast The Natural World, we have learnt that trees also have families and relatives like us. Actually, they have senses too.
1 Read the article about how trees sense things. Match the headings
below with the paragraphs.
Tree senses
In the past, scientists didn’t know that trees could sense things. Now, they are discovering that trees can notice lots of things around them!
(1)________________
Trees can sense many different things with their roots. For example, they can feel where “up” and “down” are. There is no light down in the earth, but the roots always know which way to grow.
(2)________________
Trees can feel different temperatures. They know when to drop their leaves in autumn, and when to grow new leaves in spring.
(3) ________________
If an animal starts biting a tree of a certain species, the tree can find out what happens. For example, if a deer starts eating from a tree, the tree can make its leaves taste really bad after a while.
c
a
b
在地下
落叶
发现
过了一会
(4)________________
Tree roots can sense different sounds. They really like the sound of running water when it is dry. If the sound continues for a long time, the roots will slowly start growing towards it.
(5)________________
Trees can sense different kinds of light and colours. They know where the sun is, so their branches grow in that direction. That’s why trees in the northern hemisphere① usually have more branches growing out on the south side. There are still many things we don’t know about trees. Scientists are working hard to find out more.
2 Find more information about trees in an online encyclopaedia②. Share your
findings with the class.
e
d
流水
持续很长时间
在北半球
Checking your progress
Project
Making a booklet about trees
In this project, you are going to work in groups and make a class booklet about different types of trees. Each group will make one page.
Step 1 Think about the trees around you (e.g. ginkgo①, maple②, pine tree, willow③)
and choose one kind of tree in your group.
Step 2 Search for information about this type of tree. Then discuss in
your group and decide what to include on your page. For example:
What does the leaf look like (e.g. size, colour, shape)
Which kind of tree does it come from
What fruit does the tree have
Why is the tree important to us
...
Step 3 Organize the information you collected and design your page. You
may add some pictures. If possible, find a leaf and put it on the
page. Use the example below to help you.
Step 4 Present your page to the class. Then put together the pages to make
a class booklet.
一种活化石
属于
被用于
传统中医
看起来像
多达
变成金黄
大树的好处在于提供阴凉处。（大树底下好乘凉）
——乔治·赫伯特
Homework
完成相关课后习题
Thanks(共9张PPT)
Key question
Why do we need trees？
Section
2
Grammar
Exploring and applying rules
The present continuous
We use the present continuous to show that something is happening now.
Li Na is talking to Wang Jie on the phone. Read the dialogue and pay attention to the words in bold.
注意
在家
be away 离开
看电视节目
1 Chen Li is making a video about how trees protect themselves from enemies. Help her complete the video script with the correct form of the verbs in brackets.
are eating
am feeling
is moving
is
waiting
此时此刻
fight back 反击；还击
is eating
is
giving
is enjoying
呼救
2 Look at the pictures and describe what people are doing.
照顾
Homework
完成相关课后习题
Thanks(共23张PPT)
Key question
Why do we need trees？
Unit objectives
I can:
□understand what trees do for us.
□identify amazing facts about trees.
□describe what we can do to help protect trees.
□explain the relationship between trees and humans.
relation between…and…
…与…之间的关系
First thoughts
The roots of trees collect water and food or nutrients from the soil.
Trees grow a ring of bark each year through which you can know the age of the tree.
Trees can takes in harmful gases and produce oxygen. Trees can prevent the soil from being washing away.
Plant more trees.
Don’t use disposable chopsticks.
Don’t play fire in the forest.
Section
1
Experiencing and understanding language
Reading
Before you read
1 Label the different parts of a tree with the words below.
fruit
branch
trunk
root
flower
leaf
2 Talk in pairs about what trees do for us.
provide sb. with sth.
provide sth. for sb.
提供
On Tree Planting Day, Yangguang Junior High School posted the following article on its website. Read the article and discover some interesting facts about trees.
Our silent friends
From the deepest forests to our towns and cities, trees are all around us. We share our world with trees. They are our silent friends, but we often overlook them.
In fact, trees are very important for all living things on Earth. To begin with, forests are a safe place for animals, insects and plants to live. Trees are also good for us humans because they take in greenhouse gases like CO2
and produce oxygen. This means they help create a clean
environment for everyone on this planet.
share…with…
…与…分享
事实上
对……重要
be good for 对……有好处
吸收
创造一个干净的环境
在这个星球上
Trees make our lives more convenient. Many of the things around us, such as paper and pencils, come from trees. Just look around your room—a lot of the furniture is made of wood. Trees also provide us with delicious fruit and wonderful drinks. For example, we can make tea from the leaves of the tea tree.
来自
环顾四周
be made of 由……制成
例如
Trees do so much for us. We can’t imagine a world without them. However, humans are not treating trees in a kind way. We are cutting down forests all around the world. We are polluting the water and the air, and this harms trees. All these things are a big problem. We need to do more to protect trees and save our planet.
用友善的方法
砍伐
遍布全世界
需要做某事
拯救我们的星球
tell…from… 辨别
Reading comprehension
1 Complete the poster below with the information from the article on page 37.
animals, insects and plants
greenhouse gases like CO2
oxygen
more convenient
paper and pencils
is made of wood
delicious fruit and wonderful drinks
2 Read the article again and try to find examples of facts and opinions in it.
From the deepest forests to our towns and cities, trees are all around us.
Trees also provide us with delicious fruit and wonderful drinks.
We need to do more to protect trees and save our planet. (答案不唯一，仅供参考)
3 Discuss the questions below.
(1) What is the purpose of the article What does the writer want to tell us
The purpose of the article is to tell us to do more to protect trees and save our planet. The writer wants to tell us that trees are very important for us and we need to save them.
(2) How do you understand the sentence “We can’t imagine a world without them (line 17)”
(3) What else do trees do for us
The sentence means that trees are very important for all living things on Earth and they do so much for us. so life without them is hard to imagine.
Trees also provide shade for us in hot summer days.
(答案不唯一，仅供参考)
Vocabulary practice
1 Look at the article on page 37 and find words with similar meanings.
(1) not making any sound _________ (line 2)
(2) a gas we need in order to live _________ (line 8)
(3) easy; easy to do _________ (line 11)
(4) a hard material used for making tables, chairs, pencils, etc. _________ (line 14)
(5) to act in a certain way towards someone or something _________ (line 18)
silent
oxygen
convenient
wood
treat
2 Complete the information column on the school website with the words
from Exercise 1. Change the form if necessary.
silent
oxygen
convenient
wood
treat
3 Make sentences about what trees do for us with the words and
expressions below.
Listening
Amazing trees
1 How much do you know about trees Discuss the questions below.
(1) How do trees communicate with one another
(2) Do trees have families and relatives like us
(3) What makes trees grow better and stronger
2 Listen to the podcast The Natural World and tick ( ) the main topic of it.
Using their long roots.
Yes, they do.
When their branches and leaves join together, they don’t need to worry about strong winds.
√
3 Listen again. Decide whether the following statements are true (T) or false (F).
(1) Trees use their branches to communicate with each other. T / F
(2) Trees can ask each other for help when bad things happen to them. T / F
(3) Older trees and younger trees help each other. T / F
(4) Healthy trees help sick trees. T / F
(5) Most trees share things with trees from different species. T / F
(6) It is harmful when the branches and leaves of trees join together. T / F
4 What other amazing facts do you know about trees Share your facts with
your classmates.
Homework
完成相关课后习题
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