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(共25张PPT)
Lesson 1 Why are plants important
Unit 8
I love nature!
To understand the importance of plants through listening.
To talk about why we need plants and complete the mind map.
01
02
学习目标
To learn some new words and phrases.
03
To mater the tone in sentences.
04
Heaven has its own law and those who embrace it will prosper.
—Xun Zi
1. How do you interpret this statement
2. What other similar quotes do you know
We should follow the rules of nature and protect it.
万物各得其和以生，各得其养以成。《荀子 天论》
人法地，地法天，天法道，道法自然。《老子 第二十五章》
Free Talk
Do you like nature Why
1. Talk with your partner about plants.
A Do you think plants are important
Yes, I think plants are extremely important. They are the basis of life on Earth. Plants play a key role in keeping the environment balanced, and provide habitats for animals and insects.
新课讲授
Pair work
B What can plants do to help nature Give some examples.
Plants can clean the air. Through photosynthesis（光合作用）, they absorb carbon dioxide, making the air fresh and clean.
Plants can protect the soil. Their roots hold the soil together. In mountainous areas, plants prevent landslides during heavy rains.
Plants help maintain the water cycle. ...
Predict what to listen to based on the pictures.
1. Where are they
2. What are they doing
They are in the forest or in the countryside.
They are discussing and studying plants.
Predicting
2.Listen to the conversation and tick the main idea.
It’s a pleasure to walk in the forest.
We can’t live without plants.
Trees and animals are part of our life.
Listening
3.Listen to the conversation again and tick what is mentioned.
People can eat plants or use them as medicine.
Plants help keep the air clean.
Many animals live in the forest.
Books, paper, pencils, and erasers all come from plants.
Animals eat leaves and fruits from the trees.
Plants cover the soil and keep dust away.
Plants make everything look beautiful.
People use wood from trees to build houses and furniture.
4.Work in groups. Talk about why we need plants and complete the mind map. You can use some of the ideas in Activity 3.
They clean the air.
They are important for animals. Animals eat leaves and fruits from them.
They give food to humans. Some medicine and clothing are also made from them.
They play a part in the water cycle. They help keep the soil and make the world beautiful.
Group work
Li Ming: I love the forest. There are so many trees and plants here. The air is fresh.
Wang Mei: Trees and other plants are important for us.
Li Ming: Yes, you are right. Plants clean the air. They give us food like fruits and vegetables. Some medicine and clothing are also made from plants.
Reading
Wang Mei: The forest is important for animals, too. Many animals live in the forest and eat leaves and fruits from the trees.
Li Ming: Plants also play a part in the water cycle. And they cover the soil. That way, the wind and water don’t carry the soil away. Plants make the world look beautiful.
Wang Mei: Indeed, we can’t live without plants!
1.be made of, be made from, be made in
be made of：由…… 制成（从制成品中可以看出原材料）
e.g. The table is made of wood. 这张桌子是由木头制成的。
be made from：由…… 制成（制成品已无法看出原材料）
e.g. Paper is made from wood. 纸是由木头制成的。
be made in：在…… 制造（后接表地点的名词，强调产品的生产地点）
e.g. This car is made in Germany. 这辆汽车是在德国制造的。
Language points
2.leaf→leaves
部分以 “f” 或 “fe” 结尾的名词，在变复数时，通常把 “f” 或 “fe” 变为 “v”，再加 “-es”
knife - knives 小刀
wolf - wolves 狼
wife - wives 妻子
life - lives 生命；生活
thief - thieves 小偷
shelf - shelves 架子
play a part in 在…… 中扮演角色；在…… 中起作用
后面通常接名词、代词或动名词形式
e.g. Technology plays a major part in our daily lives.
科技在我们的日常生活中发挥着重要作用。
The Internet plays an important part in modern communication.
互联网在现代通信中起着重要作用。
She played a part in the school play.
她在学校的戏剧中扮演了一个角色。
3. play a part in
carry：携带、搬运
e.g. The porter carried our luggage to the room.
搬运工把我们的行李搬到了房间。
She carried a handbag on her arm. 她胳膊上挎着一个手提包。
bring：带来、拿来（从别处把人或物带到说话者所在的地方）
e.g. Please bring your homework to school tomorrow.
请明天把你的作业带到学校来。
4.carry, bring, take, get
take：拿走、带走（从说话者所在的地方把人或物带到别处去）
e.g. Take this book to the library. 把这本书带到图书馆去。
She took her son to the park. 她带她儿子去了公园。
get：去取来、去拿来（去某地把人或物带回来）
e.g. Can you get me a glass of water 你能给我拿一杯水来吗？
I'll go and get my coat. 我去拿我的外套。
5.make sb. /sth. +adj.
make sb. /sth. +adj. 使某人 / 某物处于某种状态
e.g. The news made her happy.
这个消息使她很高兴。
We should make our environment clean.
我们应该使我们的环境清洁。
The loud noise makes the baby scared.
巨大的噪音使婴儿害怕。
Listen and repeat.
The forest is important for animals, too.
I love the forest.
Do you think plants are important
Can people eat plants
Do you like the green one or the red one
Why are plants important
Pronunciation
语调
说话或朗读时声音的抑扬称为语调。英语句子的语调通常分为升调和降调两种，升调或降调都从句子中最后一个重读音节开始。
1.一般疑问句用升调
Are you a student 你是学生吗
Do you often go to the park to observe plants 你经常去公园观察植物吗？
2.省略句表示疑问用升调
See this puppy 看到这只小狗了吗
Got the gardening tools ready 把园艺工具准备好了吗？
3. 特殊疑问句、陈述句、感叹句通常用降调
What plants grow near your home
When is the best time to plant vegetables
4. 祈使句表示命令用降调，表示请求用升调
Don’t hurt the animals.不要伤害动物。
Help me water the plants, will you 帮我给植物浇下水，好吗？
6. 选择疑问句中, or 前面的用升调, 后面的用降调。
Why or why not
Do you like the green one or the red one
7. 列举事物时, and 前面的用升调,后面的用降调。
They walked through forests, rivers, mountains, and streets.
I need to buy milk, fruits, vegetables and meat.
一、用所给音标填写单词
1. Plants can help the water ____________ /'sa kl/.
2. The heavy rain washed away some of the ____________ /s l/.
3. Can you help me ____________ / 'k ri/ this heavy box
4. It's ____________ / m'p tnt/ to keep calm when facing danger.
5. Take the ____________ /'medsn/ twice a day after a meal. You'll be better soon.
cycle　
soil
carry
important
medicine
当堂检测
二、完成句子
1. 图书馆给我们提供了如此多的书。
The library provides _______________________ for us.
2. 这瓶葡萄酒是用葡萄制成的。
This bottle of wine ________________________ grapes.
3. 手机在人们的生活中扮演了很重要的角色。
Smartphones _________________________________ in people's lives.
so many books
is made from
play an important part
4. 和你交谈总是令人愉快的。
It's always _______________________ talk with you.
5. 大风带走了吉姆的帽子。
The strong wind ____________________ Jim's hat.
a pleasure to
carried away
上网搜索或者拜访附近的农场关于植物的重要性，制作一个思维导图，至少写出6条重要性。
预习下一课时。
Homework

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