UNIT2 Lesson 8 教学课件--冀教版初中英语八年级下

(共27张PPT)
Lesson 8: Why Are Plants Important
UNIT 2 Plant a Plant!
学 习 目 标
掌握单词：basic
接触单词：pleasant, shade, fulfill, soil
短语和句型：take energy from…,in a word
It’s pleasant to do…
1
3
能运用所学语言谈论植物的重要性。
2
4
通过本节课的学习，了解植物的重要性，增强环保意识。
能听懂、读懂有关谈论植物的重要性的对话。
课 堂 导 入
Why do we plant trees
Trees help clean the air.
It’s pleasant to walk in the forest.
Trees and other plants cover the soil.
The wind and water don’t carry the soil
away.
What plants grow near your home
Why do we need trees
Think about it
课 堂 学 习
New words and expressions
n. 树阴；阴凉处
n. 土；土壤
In summer, trees provide shade for us.
It's pleasant to sit in the shade.
It’s pleasant to do…做某事很愉快
The plants cover the soil.
adj. 使人愉快的
Trees and other plants can help us fulfill our basic needs.
v. 达到；执行
adj. 基本的；基础的
The trees and plants take energy from the sun and turn it into food.
从……获取能量
In a word, we can’t live without plants!
总之；一句话
pleasant
shade
fulfill
basic
soil
take energy from
in a word
adj. 使人愉快的
n. 树阴；阴凉处
v. 达到；执行
adj. 基本的；基础的
n. 土；土壤
从……获取能量
总之；一句话
Read the words and expressions.
It’s _________(愉快的) to climb mountains.
We can sit in the _____ (树阴). It is a big tree.
Without them you will not be able to f_____
the tasks.
4. Farmers grow rice in the rich s___ .
5. Drums are b____ to African music.
Fill in the blanks.
shade
pleasant
fulfill
soil
basic
1.With plants, the air will be　　　　and fresh.
2.People can use plants in many different 　　　　.
3.Nobody can live　　　　 plants.
clean
ways
without
Listen to the lesson and fill in the blanks.
Listening and reading
Why does Jenny love the forest
2. Where can the trees and plants take energy from
3.Why are trees and other plants important to people
Read the lesson and answer the questions.
Because the air is always clean and fresh.
The trees and plants take energy from the sun.
Because they help us fulfill our basic needs.
Read the lesson and tick the items mentioned.
□ People can eat plants or use them as medicine.
□ Plants help make the air clean and fresh.
□ Many animals live in the forest.
□ Books, paper, pencils and erasers all come from plants.
□ Animals eat the fruit from the trees.
□ The plants cover the soil and can stop the dust.
□ When the weather is sunny and hot, people can sit in the shade under a tree.
□ The plants make everything look beautiful.
□ People use wood from trees to build houses and furniture.
在树下的树阴里
（长）在树上
对… …来说重要
满足某人的需要
从… …当中获取能量
由… …制成（看不出原材料）
把… …搬走
总而言之，简言之
in the shade under the tree
on the tree
be important to…
fulfill one’s needs
take energy from...
be made from...
carry...away
in a word
Find out the phrases and translate them into English.
Danny, Jenny and Brian are walking in a forest. Brian thinks that trees and other plants help ______ the air. Jenny says it is pleasant _______ in the forest. She believes trees and other plants are important to people. They help people _____ their basic needs. The trees and plants take energy from the sun and __________ food. Medicine and clothing are also __________ trees and plants. And many animals live in the forest and plants also ______ everything look beautiful!
clean
to walk
fulfill
turn it into
made from
make
Fill in the blanks and try to retell the passage.
Complete the passage with the correct forms of the words in the box.
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 the_______ under a tree. Trees and other plants are our _______ needs for life. Many things are made from trees and plants. 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.
pleasant
shade
basic
forest
cover
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.
Food or medicine:
1. People can eat plants or use them as medicine.
2. Animals eat the fruit from the trees.
Shelter:
1.Many animals live in the forest.
2.People use wood from trees to build houses and furniture.
Clothing and school things:
1.People can make clothing from plants.
2.Books,papers,pencils and erasers all come from plants.
Environment:
1.Plants help make the air clean and fresh.
2.The plants cover the soil and can stop the dust.
Functions of trees (plants)
The Importance of Plants
For the environment:
Plants help clean the air.
Plants cover the soil. So the wind and water don't carry the soil away.
For human's daily needs:
The plants take energy from the sun and turn it into food.
Medicine and clothing are made from plants.
For animals:
Many animals live in the forest and eat the fruit from the trees or other plants.
1.New words:pleasant, shade, fulfill, basic, soil
2. Phrases: take energy from…,in a word
3. Sentences:
① It’s pleasant to walk in the forest.
②Medicine and clothing are also made from trees and plants.
③That way,the wind and water don’t carry the soil away.
④In a word, we can’t live without plants！
Summary
Language points
（1）It’s pleasant to do sth.意为“做某事很愉快”，这是It’s +adj.+to do sth.句式，句中it是形式主语，真正的主语是后面的动词不定式（短语）。
It’s pleasant to play with friends.和朋友们一起玩耍是令人愉快的。
It’s important to learn Chinese well.学好汉语很重要。
1. It’s pleasant to walk in the forest.在森林里散步是令人愉快的。
（2） pleasant 形容词，意为“使人愉快的”。
It’s a pleasant evening.那是一个令人愉快的夜晚。
Our school trip was pleasant.我们的学校旅行是令人愉快的。
【拓展】
①please 感叹词，意为“请”。
Could you please clean up the living room 请把起居室打扫一下好吗？
②pleased 形容词，意为“高兴的，满意的”。
His was pleased with the result.他对这个结果感到满意。
③pleasure作不可数名词时,意为“愉悦,愉快”；作可数名词时,意为“令人愉悦的活动”。
With pleasure.乐意效劳。
It’s a pleasure to meet you.认识你很高兴。
2. Medicine and clothing are also made from trees and plants.
药物和衣服也是用树木和植物制成的。
be made from意为“由……制成”,表示从成品上看不出原材料。
The wine is made from grapes.这酒是由葡萄制成的。
【拓展】①be made of意为“由……制成”,表示从成品上能看出原材料。
The desk is made of wood.这张桌子是由木头制成的。
②be made by意思是“被……制成”,其后接制造者,表示成品是由谁制作的。
The card is made by Lucy.这张卡片是由露西做的。
③be made in意思是“在……制造”,其后接地名,强调生产地点。
This bag is made in China.这个包是中国制造的。
④be made up of意思是“由……组成”,强调组成部分。
The team is made up of six workers.这支团队是由六个工人组成的。
3.That way, the wind and water don’t carry the soil away.
那样，风和水就不会使土壤流失。
carry away意思是“带走;移走” ，是“动词+副词”结构的短语，当其宾语是名词时,名词可放在carry和away之间,也可放在away后，当其宾语是代词时,要将代词放在carry与 away之间。
Can you carry away the book
=Can you carry the book away
你能把这本书带走吗
Here are your clothes.Please carry them away.
这些是你的衣服。请把它们带走。
4.In a word, we can’t live without plants！
总之，没有植物，我们就不能生存！　　
in a word 意为“总之，一句话” ，常放在句首表示归纳和总结。
In a word, your speech cheered up many people and helped them work out a lot of problems.总之，你的演讲让许多人振作起来了，并且帮助他们解决了很多问题。
In a word, I have a bad day in the theme park.
总之，我在主题公园玩得很不开心。
(　)1.The barbecue(烧烤) was _____and everybody was _____, chatting and relaxing themselves.
A. pleasant; pleased　　　 B. pleased; pleasant
C. pleasant; pleasant D. pleased; pleased
(　 )2.Books are made _____paper while paper is mainly made _____wood.
A. of; of B. from; from C. of; from D. from; of
（ ）3. In____ word, we believe what our teachers said.
A．the　　　B．a　　　C．an D．/　
（ ）4.Plants cover the soil. Then the wind and water don’t carry the soil ___.
A. in B. out of C. away D. on
（ ）5.Can you see seven monkeys ____ the tree？
A. on B. in C. of D. above
I.单项选择。
A
C
B
C
B
课 堂 达 标
II.根据汉语意思完成句子。
1.一些女孩正在树阴下玩游戏。
Some girls are playing .
2. 繁重的工作把那个年轻的男子变成了一个疲惫的人。
Hard work the young man a tired person.
3. 在游泳池游泳是令人愉快的。
It’s _________ ______swim in the pool.
4.我们能从食物和饮料中获取能量。
We can _______ ______ ______ the food and drink.
take energy from
in the shade
turned into
pleasant to
Homework
1.Try to remember the new words and expressions of this lesson.
2. Preview Lesson 9.
Thank you !