Unit 2 Saving the earth. Topic 3 Section C课件 -2025-2026学年仁爱科普版九年级英语上册
|
22页
|
186人阅读
|
1人下载
普通
内容正文:
Unit 2 Saving the earth
Topic 3 What can we do at home to protect the environment?
Section C
Learning Objectives
Be able to:
1. Learn about renewable energy .
2. Learn about some of China 's efforts in environmental protection.
3. Master some new words and phrases.
4. Learn to extract useful information from your reading.
[rɪˈnjuːəbl]
re-再次
-able 可...的
Enjoyable Acceptable Changeable Believable
可更新的 ;可再生的
Q.What are the characteristics (特点)of renewable energy?
1.Let's enjoy a video.
They don't cause pollution.
They are renewable.
lead in
用尽,耗尽
/ They will never run out .
/They are nonpolluting .
/They are environmentally friendly.
The sun, wind, waves and heat from deep in the earth are energy sources. They will never run out , so they are called renewable sources.
In 2011,about 16% of energy used worldwide comes from renewable sources.The use of it is increasing rapidly each year.
1.Read the passage below and learn some new words.
n.波浪;挥手
v.挥手;摆手
adj. 深的;厚的;
adv. 深深地;在深处;
耗尽,用完
n.来源,出处
adv.全世界;世界各地
Activity 1
Learn about renewable sources.
Hot water ,steam,sunlight can also produce a lot of energy.
蒸汽;水蒸气
阳光;日光
1.Wind can produce electricity in many places.
2.People use sunlight to produce electricity.
3.Sea waves are used for producing electricity.
4.People use hot water or steam from deep in the earth to produce electricity and heat for factories, schools and homes.
2.Look and match
The sun, wind,______(海浪) and heat from _____(在深处) in the earth are energy ______(来源). They will never______(耗尽).
Some energy used ______(全世界)comes from these______(可再生的)sources.The use of it is increasing rapidly each year.
3.fill in the blanks.
waves
deep
sources
run out
renewable
worldwide
Hot water ,_____(蒸汽),______(阳光)can also produce a lot of energy.
steam
sunlight
Activity 2
Learn about some of China 's efforts in environmental protection.
China is using new technology to make energy. They built big solar farms to produce electricity from the sun. Solar energy requires less coal and oil.
太阳(能)的
1.Learn some new words&phrases.
v. 要求;需要
Electric vehicles can protect the environment and save energy.
China's fast trains. Though they have wheels,
there is no wheel noise inside.
Even German experts think highly of the
technology of China's high-speed train. China guides other
countries to use cheap and green energy.
electric (adj.) - electricity (n.)
German(adj.)-Germany(n.)
1. What's the Longyangxia Dam Solar Park for?
2. Why are electric vehicles better for the environment?
3. Who thinks highly of the technology of China's high-speed train?
4. What's the passage mainly about?
Scanning.
2. Read la and answer the questions.
China is using new technology to make energy. They built big solar farms,like the Longyangxia Dam Solar Park, to produce electricity from the sun. Thanks to solar energy, it requires less coal and oil. It is a good way to protect our earth from pollution .
China is also making more electric vehicles. Since these vehicles don't need petrol, they are better for the environment and make transportation cleaner.
China's fast trains, like the Beijing-Shanghai high-speed train, are making travel easier. Though they have wheels, there is no wheel noise inside.Even German experts think highly of the technology of China's high-speed train.
All of these show that China is working hard to find new and better ways to produce energy and make travel easier without harm to the earth. China is a good example for other countries in guiding them to use cheap and green energy.
2. Read la and answer the questions.
1. What's the Longyangxia Dam Solar Park for?
2. Why are electric vehicles better for the environment?
To produce electricity from the sun.
Because they don’t need petrol.
Scanning.
[ˈpetrəl]
[dæm] 大坝
China is using new technology to make energy. They built big solar farms,like the Longyangxia Dam Solar Park, to produce electricity from the sun. Thanks to solar energy. It requires less coal and oil. It is a good way to protect our earth from pollution .
China is also making more electric vehicles. Since these vehicles don't need petrol, they are better for the environment and make transportation cleaner.
China's fast trains, like the Beijing-Shanghai high-speed train, are making travel easier. Though they have wheels, there is no wheel noise inside.Even German experts think highly of the technology of China's high-speed train.
All of these show that China is working hard to find new and better ways to produce energy and make travel easier without harm to the earth. China is a good example for other countries in guiding them to use cheap and green energy.
3. Who thinks highly of the technology of China's high-speed train?
4. What's the passage mainly about?
German experts.
It’s about China is working hard to find new and better ways to produce energy and make travel easier without harm to the earth.
careful reading
China is using new technology to make energy. They built big solar farms,like the Longyangxia Dam Solar Park, to produce electricity from the sun. Thanks to solar energy. It requires less coal and oil. It is a good way to protect our earth from pollution .
3.
Read para.1 and mark (T) or(F).
( ) It’s bad that people produce power from sun.
( ) Solar energy requires no coal and oil.
( ) Solar energy is a good way to protect our earth from pollution.
F
F
T
Read para.2-3 and answer the questions.
China is also making more electric vehicles. Since these vehicles don't need petrol, they are better for the environment and make transportation cleaner.
China's fast trains, like the Beijing-Shanghai high-speed train, are making travel easier. Though they have wheels, there is no wheel noise inside.Even German experts think highly of the technology of China's high-speed train.
1.What kind of vehicleses don't need petrol?
2.Do China's fast trains have wheels ?
Electric vehicles.
Yes, they do.
careful reading
careful reading
All of these show that China is working hard to find new and better ways to produce energy and make travel easier without harm to the earth. China is a good example for other countries in guiding them to use cheap and green energy.
Read para.4 and translate the sentences.
1.China is working hard to find new and better ways to produce energy and make travel easier without harm to the earth.
2.China is a good example for other countries in guiding them to use cheap and green energy.
中国正在努力寻找新的和更好的方式来生产能源,使旅行更容易而不损害地球.
在引导其他国家使用廉价和绿色能源方面,中国是一个很好的榜样.
complete the table.
Item Advantages
solar energy
electric vehicles They don't need__________.
They are better for the environment and make transportation________________.
high-speed train It's making_______________easier.
It requires less coal and __________ to produce electricity.
It is a good way to protect our earth from_________________
oil
pollution
petrol
cleaner
travel
careful reading
4.read after the tape.
Key points
Activity 3
1. It requires less coal and oil.
require 有两种用法: *require (doing) sth. 表示主语“该...了”。 eg.The floor requires __________________. 地板该洗了。
*be required to do sth.表示主语必须(被要求)...
eg.Students __________________attend classes. 学生必须按规定上课。
2.They will never run out .
run out /run out of 用完,耗尽 (run--fan--run)
run out 物+run out .主语为物,且无被动
人+run out of sth. 主语为人
翻译:我们的食物已经用完了。
Our food has already________.
=We have already____________the food.
washing
run out
run out of
are required to
1.发电_________________________________ 2.高度评价___________________
3.寻找做某事的新方法_____________________________
4.用某物做某事______________________________________
5.某物耗尽、用完sth. _________________________________
6.某人需要某物 ______________________________某事需要被做 _______________________
被要求做某事 _____________________________
7.一个很好的例子 _________________________________
8.保护..免受 ___________________________________
produce electricity/power
think highly of
3.Find out phrases.
look for new ways to do sth.
use sth. to do sth.=use sth. for doing sth.
runs out/sb.runs out of sth.
sb. requires/needs sth.
sth. requires /need doing
be required to do sth
a good example
protect ...from
(4p)你想告诉对方中国的高铁让旅行更便捷,可以这样说:
b.点击抽奖
(2ps)1.你想表达你们的水都用完了,你该怎么说:
(2ps)你想表达你的车该洗了,你可以这样说:
c.点击抽奖
(2ps)你想表达在一些地区,人们用风来发电:
d.点击抽奖
(3ps)你想告诉对方,种树是保护我们地球的好方法,该怎么表达?
e.点击抽奖
a.点击抽奖
1..Draw the red envelop!
Post-listening
1.Our water has run out.
2.China's fast trains are making travel easier.
3.My car requires washing.
4.People use wind to produce power in some areas.
Wind is used for producing power in some areas.
5.Planting trees is a good way to protect our earth.
1. We all know that many countries in Africa are short of power stations ,So many families in Africa do not have power .Do you know how to deal with it?
Project
Solar energy .
Man will conquer nature.
人定胜天。
Summary
3.Some sentences:
(1) Thanks to solar energy, it requires less coal and oil.
(2) Even German experts think highly of the technology of China’s high-speed train.
We can: Talk about some kinds of renewable energy.
We learn:
1. Some words: solar dam, require,electric,petrol,high-speed,
wheel, inside,steel, German, expert, guide , highly,deep ,wave,
source,renewable,worldwide,sunlight,steam
2.Some phrases:
run out , think highly of
提升作业
拓展作业
Homework
1.make sentences with new phrases .
2.Finish 2b. Write a passage about sunlight.
3.Find out more information about
new energy products.
基础作业
1.Copy new words and phrases .
Lavf58.18.100
Packed by Bilibili XCoder v2.0.2
$$