(共37张PPT)
我爱记单词
Unit 4 Topic 1
Section C
thousand [‘θa z nd] 千
联想方式:t hou—太后 sand沙子
记忆方法:送给太后一千颗沙子
thousands of 成千上万
nowhere 无处
control [k n‘tr ul] 控制
联想方式:con(看),tr(土著人人);o(蛋);l(棍子)
记忆方法:看,土著人把蛋顶在棍子上,控制得很好
climate [‘kla m t] n. 气候
用法:控制气候
control the climate
die [dai] 死 过去式 died
用法:die out 灭绝,消失
wood [wud] n. 木头,木材;(pl. woods)树木,森林
protect [pr ‘tekt] vt. 保护
用法:protect…from …保护…免受…
earth n. 地球;土,泥;大地
rainforest n. (热带)雨林
forest n. 森林
Look and learn
Look and guess !
Look at the pictures and check which questions the passage can answer.
What are rainforests
How many animals are living in rainforests
Where do animals live in rainforests
What can we get from rainforests
Why are rainforests important to us
Find out the answers
What can rainforests give us
1a
wood n. 木头,木材;woods 树木,森林
Rainforests give us …
rubber n.橡胶
Rainforests give us …
food
medicine
Rainforests give us …
fruits
Rainforests give us …
课文重点
1. Rainforests are thick forests in the hot parts of the world. 热带雨林是世界上地处较热的地带里浓密的森林
2. It rains a lot and the ground is always wet. 经常下雨,地面总是湿的。
3. Rainforests cover 6% of the earth‘s surface.热带雨林覆盖了地球表面的百分之六
4. They provide places to live for thousands of plants and animals found nowhere else on the earth.他们为成千上万的植物和动物提供了生存场所,因为他们在地球上找不到其他的地方了。
5. Thousands and thousands of animals live in rainforests.成千上万的动物栖息在热带雨林中。
6. Many of them live in the trees over 30 meters from the ground. 它们中有许多居住在离地面30多米高的树上。
7. Rainforests are very important to us.热带雨林对我们很重要。
8. The plants in the forests help to make the air fresher and cleaner. 森林中的植物促使空气更加清新,更干净。
9. They also help to hold the water when it rains and keep the water cycling. 他们也能够在下雨的时候储存水源,并且保持水的循环
10. They play an important part in controlling the climate. 他们在控制气候方面有着重要的作用
play an important part ( in sth.)在某事中起重要作用; 参与(某事)
Eg: 他积极参加班级活动。
He _________________________ class activities.
plays an active part in
11. Rainforests also help to keep the beauty of nature. 热带雨林也帮助保持自然之美
12. Without rainforests, many beautiful plants and animals would die out. 没有热带雨林的话,很多美丽的植物和动物就会灭绝
13. The rainforests give us wood, food, fruit, medicine and many more useful things. 热带雨林带给我们木材,食物,水果,药品等很多更有用的东西
14. We need them for many reasons. 因为很多原因所以我们需要他们
But now ,rainforests are becoming smaller and smaller, so we should protect them.但是,现在热带雨林变得越来越小了,所以我们应该保护它们。
重点
形容词比较级 + and + 形容词比较级” 越来越…… 适合用于单双音节
Eg. 天气变得越来越暖和了。
The weather gets warmer and warmer.
中国变得越来越强大。
China becomes stronger and stronger.
比较级多音节词表达越来越…
基本公式:more and more +多音节词
例如 越来越漂亮
more and more beautiful
越来越精彩
more and more wonderful
Fill in the blanks.
Feature of rainforests in the ______ parts of the world
_______ ground and always ____ and ____ in them
cover ____ of the earth’s _______
give a home to many beautiful ______ and ________
Importance of rainforests make the air _______ and ________
_____ the water and keep the water______
control the ________
keep the beauty of ________
give us ______, ______, fruit, ________ and so on
hot
wet
dark
hot
6%
surface
plants
animals
fresher
cleaner
hold
cycling
climate
nature
wood
food
medicine
1b
1c
Read again and answer the questions.
What does the word “cover” mean in Paragraph 1
Why are rainforests the lungs of the earth
It means “覆盖”.
Because the plants in the forests help to make the air fresher and cleaner.
1c
Read again and answer the questions.
3. Why should we protect rainforests well
4. Can you guess what the next part of the passage will talk about
Because they help to hold the water and keep the water cycling. They play an important part in controlling the climate.
Yes. The next part may talk about what we should do to protect rainforests.
The last sentence in a paragraph may tell you what comes next.
1c
Read again and answer the questions.
5. What should we do to protect rainforests
We should save paper and mustn’t use the chopsticks for only once.
Group work
Discuss the pictures in groups about how to protect rainforests. Then write a short passage.
show and tell people about …
do anything we can,such as …
ask people not to …
ask people not to cut …
Let’s plant …
You can write like this :
Example :
Rainforests are very important to us. It is necessary for us to protect them very well. First, we should make people know about the importance of protecting them. Then ask people not to cut down the trees without plans. For us, we should do something as possible as we can. When we have meals, we mustn’t use chopsticks for only once. In the life, use less paper and be sure not to waste it.
Rainforests are very important to us. It is necessary for us to protect them very well. 热带雨林对我们很重要。对我们来说保护热带雨林很重要
First, we should make people know about the importance of protecting them. 首先,我们应该让人们了解保护他们的重要性
Then ask people not to cut down the trees without plans. 然后叫人们不要没有计划的砍伐树木
For us, we should do something as possible as we can. 对我们来说,我们应该尽可能的做一下力所能及的事情
When we have meals, we mustn’t use chopsticks for only once. 当我们吃饭的时候,不要用一次性的筷子
In the life, use less paper and use both sides of the paper. Be sure not to waste it. 在生活中,尽量少用纸,可以用双面,并且确保不要浪费纸。