Unit 2 Plant a Plant Lesson 8 Why Are Plants Important?课件 (共21张PPT)

(共21张PPT)
Unit 1 Spring Is Coming!
Lesson 8 Why Are Plants Important？
1.Curriculum words: pleasant , shade , fulfill , basic, soil.
2. Useful expressions: It’s pleasant to do.....,take energy from....., in a word, be made from.
3. Sentences: In a word, we can't live without plants!
4. Grammar: Word building.
How many kinds of trees do you know
Do you know the importance of trees
Think about it!
Think about it!
What plants grow near your home
Why do we need trees
Listen and answer
1. What are Danny, Jenny and Brian talking about
They are talking about trees and the reason why we need them.
2. Donuts don’t grow on trees, do they
No, they don’t.
It’s pleasant to walk in the forest.
pleased adj. 高兴的
pleasant adj. 令人愉快的
pleasure n. 快乐
pleasing adj. 使人愉快的
pleasant /'pleznt/ adj. 使人愉快的；舒适的
Language points
辨析 pleasant与pleased
pleasant 既可作表语也可作定语，多用于描述人或事物的性质 This is a pleasant journey.
这是个令人愉快的旅行。
pleased 多描述人的感情， 表示“某人对某事( 或某人) 感到高兴的或满意的”。 If you jump the queue, others will not be pleased.
如果你插队，别人会不高兴的。
Language points
Language points
◆help sb. do sth. 帮助某人做某事
help作动词，意为“帮助”，后可接动词不定式作宾补，不定式符号to可省略。help sb. (to) do sth. 意为“帮助某人做某事”，相当于help sb. with sth. 。
·Can you help me( to) learn English =Can you help me with my English
你能帮助我学英语吗？
They help us fulfill our basic needs.
Language points
◆in many ways在许多方面
·Our houses are similar in many ways.
我们的房子在许多方面都类似。
People use trees and other plants in many ways.
Language points
be made from由……制成（看不出原材料）
be made of由……制成（看得出原材料）
·Wine is made from grapes. 葡萄酒是由葡萄制成的。
·Your coat looks nice. Is it made of wool
你的大衣看起来很好，是羊毛的吗？
Medicine and clothing are also made from trees and plants.
Language points
◆look beautiful看起来很漂亮
look是连系动词，后接形容词作表语，意为“看起来……”。
·Wow! The flowers look beautiful and smell sweet.
哇！这些花儿看起来漂亮并且闻起来香。
Plants also make everything look beautiful.
Language points
◆in a word总之，一句话
in a word意为“一句话”，表示总结的意思，后面跟个句子，但是我们在表达的时候都习惯于只留下句子的定语，以强调我们要表达的意思。
·In a word, it is so expensive. =In a word, expensive. 总之，太贵了。
In a word, we can’t live without plants!
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.
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Let’s Do It！
2) Complete the passage with the correct forms of the
words in the box.
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 one of 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(s)
cover
basic　shade　forest cover　pleasant
Let’s Do It！
3) 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.
Environment：
____________________
Clothing and school things：
_____________________
Shelter：
____________________
Food or medicine：
____________________
Functions of trees (plants)
Let’s Do It！
本节课我们主要学习了以下重点内容：
（1）重点单词：shade, basic
（2）重点短语：in a word , be made from/of
（3）重点句式：It is + adj. + (for sb.) to do sth.
测评：八年级下册Unit 2-Lesson 8随堂检测（配套）2
I.根据句意及首字母或汉语提示写单词
1. It is p_________ to have a walk in the park after supper.
2. They are playing in the _________（树荫）of a tree.
3. Then the wind and water don't carry the_________ （土壤）away.
4. When do most teenagers learn _________（基本的）life skills
5. Trees and other plants help us _________ （满足）our some needs.
II. 根据所给汉语完成英语句子，每空一词。
1. 植物给我们提供食物。动物呢？
Plants ____________ ____________ food. What about animals
pleasant
shade
soil
basic
fulfill
give us
测评：八年级下册Unit 2-Lesson 8随堂检测（配套）2
2. 我们没有地方住了。我们该怎么办呢？
We have no places ___________ ________ _________. What shall we do
3. 没有食物，我们能生存吗？
Can we live _____________ ____________
4. 在树丛中散步很有趣，是吗？
Walking ____________ __________ _________ is very interesting, isn’t it
5. 丹尼说他要种很多面包圈树。
Danny said he would plant a lot of ____________ ____________.
to live in
without food
among the trees
donut trees
测评：八年级下册Unit 2-Lesson 8随堂检测（配套）2
III. 连词成句。
1. medicine, can, plants, use, as, people
_____________________________.
2. the, plants, air, help, clean, make_____________________________.
3. trees, animals, from, the, do, fruit, eat, the
_____________________________
4. and, stop, the, cover, dust, soil, the, plants, the, can
_____________________________.
5. trees, wood, to, furniture, us, people, from, build
_____________________________.
People can use plants as medicine
Plants help make the air clean and fresh.
Do animals eat the fruit from the trees
The plants cover the soil and can stop the dust.
People us wood from trees to build furniture.
1. Write a passage about why plants are important.
2. Preview Unit 2-Lesson 9.
Bye-bye