Unit 2 Plant a Plant!Lesson 8 Why Are PlantsImportant课件(共44张PPT)

(共44张PPT)
Unit 2 Plant a Plant!
Lesson 8 Why Are Plants
Important
pleasant
shade
fulfill
basic
soil
adj. 使人愉快的
n. 树荫；阴凉处
v. 达到；执行
adj. 基本的；基础的
n. 土；土壤
Words and expressions
Why do we need trees
What plants grow near your home
Lead in
Plants near our home
Why do we need trees
(1) Clean the air.
(2) Sit under a tree in the shade.
(3) The trees and plants take energy from the sun and turn it into food.
(4) Medicine and clothing are made from trees and plants.
(5) Many animals live in the forest and eat the fruit from the trees.
(6) Cover the soil.
(7) Plants make everything look beautiful.
Danny, Jenny and Brian are walking in a forest.
Jenny: I love this forest. There
are so many trees and
plants. The air is always
clean and fresh.
Brian: Yes. Trees and other
plants help clean the air.
Listen and read.
Jenny: That's true. It’s pleasant to walk in the
forest. When the weather is sunny and hot,
you can sit in the shade under a tree. It s
nice and cool.
Danny: I'm hungry! Maybe I can eat a plant.
Brian: Sure, Danny! Look, there is an apple
tree over there!
Danny: Is there a donut tree
Brian: Donuts don’t grow on trees!
Jenny: Trees and other plants are important to
people. They help us fulfill our basic
needs.
Brian: That’s for sure. People
use trees and other
plants in many ways.
The trees and plants
take energy from the sun and turn it
into food. Medicine and clothing are
also made from trees and plants.
Jenny: The forest is important to animals, too.
Many animals live in the forest and eat
the fruit from the trees. They eat other
plants, too.
Brian: And plants cover the soil. That way,
the wind and water don’t carry the
soil away. Plants also make
everything look beautiful.
Danny: In a word, we can’t live without
plants!
Language points
It’s pleasant to do… 做….很愉快
It’s pleasant to live in beautiful
surroundings.
生活在优美的环境里是令人愉快的。
That’s because beautiful handwriting can
give someone a good impression and also
it’s pleasant to read.
这是因为美丽的笔迹，可能给别人留下良
好的印象，并且愉快的阅读。
pleasant 指一般性的好，强调所修饰对象
所具有的品质使人觉得好玩、有趣、舒
服，含有客观性。
We had a very pleasant time at their
house last night.
昨晚我们在他们家过得很愉快。
I hope you will have a pleasant holiday.
我希望你过一个愉快的假日。
pleased 只用于人，不用于物，指某人满
足了自己的愿望而感到高兴。
I’m very pleased you can come.
2. shade n. 树荫，阴凉处
Temperatures in the shade can reach
forty-eight degrees at this time of year.
一年中的这个时候，阴凉处的温度能达到48摄氏度。
What a pleasant shade these trees give us!
这些树底下多么阴凉舒服呀!
3. fulfill v. 达到，实现，执行
We must fulfill the plan, whatever happens.
无论如何要完成计划。
What important dream have you yet to
realize and fulfill
你有什么重要的梦想还没有实现和完成？
fulfill one’s needs 满足某人的需要
The earth help human beings fulfill their
basic needs.
地球帮助人类实现最基本的需求。
4. take energy from… 从……获取能量
All plants and animals take energy from
the sun.
所有的动植物都从太阳获取能量。
People must take energy from food.
人必须从食物中获取能量。
5. be made from… 由……制成
The house is made from steel.
房子是由钢铁制成的。
The paper is made from wood.
纸是树木做的。
Cloth made from silk is famous for its
lightness and beauty. 丝绸以轻而美著称。
6. carry away 把……搬（移）走
The flood carried away the wooden bridge.
洪水把木桥冲走了。
拓展：
carry off 轻而易举地完成
carry out 执行
carry forward 发扬，推进
We will carry the enterprise forward.
我们将要推进企业的发展。
The politician’s successful speech carried
him forward.
那个政治家成功的演讲使他名声大振。
It’s a demanding role, but I’m sure she’ll
be able to carry it off.
这是一个富有挑战性的角色，但是我肯定
她能胜任。
It won’t be an easy plan to carry out.
那并不是一项容易实施的计划。
7. in a word 总之，一句话
In a word, he tires of everything.
简言之， 他对一切都感到厌倦了。
In a word, they can do everything they
like with money.
总之，他们用金钱能做到他们喜欢做的
一切。
In a word, I love my school. I find my
school life more and more meaningful and
colorful.
总之，我爱我的学校，我发现学校生活越
来越有意义和多姿多彩。
8. 主语+ can’t…without… …没有…不能…
Fish can’t live without water.
鱼没有水不能活。
I can’t succeed without your support.
没有你的支持，我不可能成功。
We cannot exist without air, food and water.
我们没有空气、食物和水就不能生存。
1. People can eat plants or use them as
medicine.
2. Plants help make the air clean and fresh.
3. Many animals live in the forest.
Let’s Do It!
Read the lesson and tick the items
mentioned
1
4. Books, paper, pencils and erasers all come
from plants.
5. Animals eat the fruit from the trees.
6. The plants cover the soil and can stop the
dust.
7. When the weather is sunny and hot, people can sit in the shade under a tree.
8. The plants make everything look beautiful.
9. People use wood from trees to build houses and furniture.
basic shade forest cover pleasant
There are many trees and plants. It’s ________to walk in the forest. When the weather is sunny and hot, you can sit in
pleasant
Complete the passage with the correct forms of the words in the box.
2
the_______ under a tree. Trees and other plants are our _______ needs for life. Many things are made from trees and plants.
shade
basic
Most animals live in the _____and eat the fruit from the trees. And plants ______ the soil. That way, the wind and water don’t carry the soil away.
forest
cover
take energy from…
in a word
be made from
It’s pleasant to do …
fulfill one’s needs
carry away
从…获取能量
总之，一句话
由…制成
做…很愉快
满足…的需求
把……搬（移）走
Exercises
Multiple choice
All plants take energy ______ the
sun and make it ______ food.
A. to; from B. into; to
C. from; to D. from; into
2. Plants cover the soil. Then the wind
and water don’t carry the soil ___.
A. in B. out of
C. away D. on
3. Are there many trees________
A. where do you live B. you live where
C. where you live D. you live there
4. Let’s ____ trees and the reason why
we need them.
A. to talk about B. talking about
C. talk at D. talk about
5. Donuts don’t grow _____ trees!
A. in B. on C. at D. in
6. Can you see seven monkeys ____ the
tree.
A. on B. in C. of D. above
7. The desks are made _______ wood.
A. in B. from C. into D. of
8. We make books ____ trees.
A. from B. on C. at D. in
9. People and other animals need food
______.
A. living B. live C. to live D. lives
10. Miss Liu walks ____ these students.
A. between B. among C. in D. for
11. People can’t live _____ air or water.
A. with B. without C. in D. and
Trade _____(有助于) the development of industry.
It’s _________(愉快的) to climb mountain.
________(没有) food, they would have nothing to eat and they would die.
Fill in the blanks
helps
Without
pleasant
4. We can sit in the _____ (树荫)under the tree.
5. Trees and plants help us _____(满足) our basic needs.
6. We can turn the tree ____ paper.
7. Other structures will be _____ ____ (由…制成)high tech materials called memory metals.
shade
fulfill
into
made from
8. ____ a word, we can’t live without the sun.
9. Dinosaurs need a lot food ____ _____ (生存).
10. Floods can ______ _____(冲走) trees, hillsides, cars and even houses.
to live
In
carry away
Work in pairs. Think about why we need plants. Discuss it and fill in the mind map. You can use some ideas from Activity 1.
Homework
Thank you!