内容正文:
英 语
七年级下册 多媒体教学课件
ENGLISH
7B
Unit
6
Trees
Big
question
What do trees mean to us?
How much do you know about trees?
(Answers may vary.)
I have learned that trees produce oxygen and they can also cool the air. They are natural air cleaners and air-conditioners.
2
To-do list
Listen to a podcast about the Amazon Rainforest.
Talk about what people can do for trees.
Read a report on helping trees.
Write a blog post about the experience of helping trees.
Design a tree card for the trees in your school.
Getting started
Look at the two pictures and tell what has happened.
(Answers may vary.)
The elephants used to live happily in a beautiful green forest. However, now the trees have been cut down and the elephants have lost their home/natural habitat. Without enough land and food, some elephants even died of hunger.
Unit
6
Trees
A
Amazing forests
Viewing and listening
Do you know any forests around the world?
(Answers may vary.)
The Amazon Rainforest, the Daintree Rainforest, etc.
5
Wang Yiming is preparing for his project on forests. He is going through a website for ideas.
strange /streɪndʒ/ adj. 奇怪的;奇特的
A
thick /θɪk/ adj. 浓密的;茂密的
treetop /ˈtriːtɒp/ n. 树梢
block /blɒk/ v. 挡住;阻碍
humid /ˈhjuːmɪd/ adj. 温暖潮湿的
Q1 What is the topic of Wang Yiming’s project?
Forests.
Q2 How does he search for information?
By going through a website.
Wang Yiming is preparing for his project on forests. He is going through a website for ideas.
A
Q3 What is the website mainly about?
Four amazing forests around the world.
Q4 What are the four amazing forests around the world?
The Jiuzhaigou Valley in China, the Amazon Rainforest in Brazil, the Black Forest in Germany and the Dancing Forest in Russia.
Wang Yiming is preparing for his project on forests. He is going through a website for ideas.
A
Q5 Have you been to any of the four forests before? How much do you know about them?
Look at the the pictures on the web page and match them (1-4) with their descriptions (A-D).
Look and match
A1
A
D
C
B
9
Listen to the podcast (播客) about the Amazon Rainforest and tick (√) the information that is mentioned.
Listen and think
A2
▢ location ▢ coverage ▢ kinds of animals
▢ climate ▢ kinds of trees
coverage /ˈkʌvərɪdʒ/ n. 覆盖范围
climate /ˈklaɪmət/ n. 气候
√
√
√
10
Listen again and fill in the blanks with correct numbers.
Listen and take notes
A3
About the Amazon Rainforest
1 About ________ of the rainforest is in Brazil.
2 It covers about ________ million square kilometres.
3 People can find nearly ________ kinds of plants and about ________ kinds of freshwater fish here.
4 It contains ________ of the world’s liquid fresh water.
nearly /ˈnɪəli/ adv. 几乎;差不多;将近
freshwater /ˈfreʃwɔːtə(r)/ adj. 淡水的
contain /kənˈteɪn/ v. 包含;含有;容纳
liquid /ˈlɪkwɪd/ adj. 液体的;液态的
11
Listen and take notes
A3
About the Amazon Rainforest
1 About ________ of the rainforest is in Brazil.
2 It covers about ________ million square kilometres.
3 People can find nearly ________ kinds of plants and about ________ kinds of freshwater fish here.
4 It contains ________ of the world’s liquid fresh water.
60%
6.7
50,000
2,400
1/5
Listen again and fill in the blanks with correct numbers.
12
Listen for the third time and discuss the following questions.
Listen and discuss
If the Amazon Rainforest is getting smaller, what might happen to the animals that live there?
Why do you think the trees in the Amazon Rainforest are important for the climate?
(Answers may vary.)
If the rainforest gets smaller, some animals might not have enough homes or food, which could make it hard for them to live.
(Answers may vary.)
Trees in the rainforest are important because they help keep the rainforest wet and make rain, which are good for the weather.
13
Word meaning
Word study
British English vs American English
Add more examples to the table.
Spelling Synonyms
BrE AmE BrE AmE
humour humor autumn fall
kilometre kilometer flat apartment
analyse analyze rubbish garbage
traveller traveler garden yard
humour (AmE humor) /ˈhjuːmə(r)/ n. 幽默;幽默感
analyse (AmE analyze) /ˈænəlaɪz/ v. 分析
Word meaning
Word study
British English vs American English
Add more examples to the table.
Spelling Synonyms
BrE AmE BrE AmE
humour humor autumn fall
kilometre kilometer flat apartment
analyse analyze rubbish garbage
traveller traveler garden yard
favour
favor
practise
practice
centre
center
taxi
cab
underground
subway
film
movie
Update my to-do list
Listen to the podcast again and explain why the Amazon Rainforest is amazing.
(Answers may vary.)
The Amazon Rainforest is amazing for the following reasons:
1) It is the largest rainforest in the world. It's like a giant garden filled with all sorts of plants and animals.
2) There are more different kinds of plants and animals in the Amazon than anywhere else. It’s like a big, natural zoo with lots of colours and sounds.
3) The Amazon has a lot of water, which is important for all the plants, animals and people.
4) The trees in the Amazon help make the air wet and humid, which is good for the rainforest to stay healthy and green.
考点1. lock /blɒk/ v.挡住;阻碍 [block→blocked→blocked]
【例句】One of the guards moved to block her path.
一名守卫走过去挡住她的路。
【搭配】block up阻塞
block the way/exit堵住道路/出口
【拓展】block n.一栋楼房;街区
【例句】You can see an office block far away.
你可以看到远处的一栋办公楼房。
考点2. climate /ˈklaɪmət/ n.气候
【例句】Climate change is a big problem for human beings.
气候变化对人类来说是个大问题。
【辨析】weather与climate:
①weather指具体的天气情况,如阴晴、降水、气温等。
②climate指总的气候情况,如干旱、湿润、温暖、凉爽等。
考点3.liquid /ˈlɪkwɪd/ adj.液体的;液态的
【例句】He used liquid soap to clean his hands.
他用肥皂液来洗手。
【拓展】liquid n.液体
solid n.固体
gas n.气体
【例句】Water is liquid.水是液体。
考点4. analyse (AmE analyze) /ˈænəlaɪz/ v.分析
【例句】He tried to analyse his feelings.
他努力分析自己的感情。
【词转】analysis n.分析
make an analysis做分析
【例句】The book is an analysis of poverty and its causes.
这本书分析了贫困及其原因。
HOMEWORK
Copy the new words from “strange” to “analyse” on page 133, Student’s Book 7B.
Complete the exercises on pages 72 and 73, Workbook 7B.
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