资料简介
1
Unit 4
教学内容 英语（九年级下册）9B Unit 4Reading I
教学项目 New words:
planet, crowded, polluted, rapid, increase, passenger, uncomfortable, oxygen, tasty,
specially, float, compare, interplanetary, network, challenging, rapidly, all over again,
at a/the speed of, in the form of, compare to/with
New structures:
Food would most probably in the form of pills and would not be so tasty.
The gravity on Mars is only about three-eighths of that on the Earth.
Compared with life on the Earth, people would have more space.
教学方法 任务型教学法
教学目标 By the end of the lesson, students should be able to:
1. learn about what life would be like on another planet in the future;
2. tell the differences between the life on Mars and that on Earth, talk about the advantages
and disadvantages of living on Mars, and have a debate called “Life on Mars will be better
than that on Earth”;
3. develop their abilities of reading, like guessing the word meanings from the context;
4. be engaged in class activities actively and improve their ability of critical thinking.
教学重点 1. Learn about what life would be like on another planet in the future.
2. Talk about the advantages and disadvantages of living on Mars and Earth.
教学难点 Talk about the advantages and disadvantages of living on Mars and Earth.
运用任务 谈论火星、地球生活的优缺点。
教学过程
时
间
教学步骤 教师活动 学生活动 教
学
目
的
8’ Step 1
Pre-reading
1. Free talk
T: Do you know anything about Mars?
S: …
T: Mars is the nearest to Earth. The
surface of Mars is a little like the surface
of Earth.
We can build a better world on Mars in the
future. Do you want to live on Mars?
Maybe you will be the first settlers on Mars
if you’re lucky enough.
2. Predicting
Imagine what life will be like on Mars.
T: What will life be like on Mars?
S: …
Foodclothes
TransportLife on Marshome
Students have a free talk.
Students imagine what life will
be like on Mars.
激活
学生
的背
景知
识，
为导
入火
星上
的生
活做
好铺
垫。
2
27
’
Step 2
While-readin
g
Task One
Task Two
…school
T: You have wonderful imagination. Daniel
wants to find out more about life in space in
the future too. Look, he has found an article
by a famous scientist who thinks humans could
live on Mars by the next century. Do you want
to read it?
1.Skim the text and get the main idea of the
text
Part 1 Para
1 Problems on Earth
Part 2 Paras 2-4 Life
on Mars in some ways
Part 3 Paras
5-6 Advantages of life on Mars
Part 4 Para
7 Conclusion
1.Read Para 1 and answer two questions.
(1) When can we live on the planet Mars?
(2) Why do we need to move to Mars?
2.Read Para 2 and fill in the blanks.
at present
by the year 2100
At present, spacecraft are ________ and it
takes ________ to fly to Mars.
By the year 2100, they would travel at
_________ and it might take _________.
3.Read Paras 3 & 4 and fill in the
blanks.
Disadvantages of life on Mars
(1) Meals will probably be in the form of
______ and will not be as ____ as they are
today.
(2) Space travel makes people feel ______ and
very ______________.
4. Read Paras 5 & 6 and fill in the
blanks.
Advantages of life on Mars
(1) People will have ________ space.
(2) ________ will do most of our work.
Students Divide the text into
four parts and get the main idea
of each part.
Students scan the article and
answer some questions.
读
前，
充分
发挥
学生
的想
象，
激发
阅读
兴
趣，
引导
学生
对文
本内
容进
行预
测和
思
考，
读前
有效
的预
测能
使学
生成
为积
极的
阅读
者。
引导
学生
快速
浏览
课
文，
概括
大
意，
把握
文本
脉
3
Task Three
Step 3
Post-reading
(3) We’ll have more time for ________.
(4) Students will study in ________ schools.
Further thinking
T: What does the writer think of the life on
Mars?
S: He thinks it would be interesting as well
as challenging.
T: Do you agree with him? Why or why not?
1. Retell the article
T: Say something about life on Mars with the
help of key words.
2. Group discussion
T: Work in groups and talk about advantages
and disadvantages of life on Mars and Earth.
Life on Mars
AdvantagesDisadvantages
1. Not crowded or polluted1. Low gravity is
dangerous.
2. No heavy traffic2. Food is not fresh or
tasty.
3. Have more space3. Travel will make people
sick.
4. Robots will do our work.4. Too cold to go
outside
5. More time for hobbies5. Far away from
friends.
... ...
Life on Earth
AdvantagesDisadvantages
1. Food is tasty and fresh.1. crowded and
polluted
2. Travel is comfortable.2. not much space
3. We can breathe the air.3. noisy
4. We can go to theatres....4. not very
exciting or unusual
… …
3. Have a debate!
(for) VS
(against)
Life on Mars is betterLife on Earth is better
because…because…
1. no pollution 1. gravity, not a problem
Students have a discussion in
groups.
1. Ss read and retell the article.
2.Ss have a discussion in groups.
3.Ss have a debate.
1.
1.Stus
络，
为理
解火
星上
的生
活做
好铺
垫。
由问
题导
出文
本，
并引
导学
生结
合上
下文
去理
解生
词和
词组
的含
义，
努力
培养
学生
在真
正的
阅读
中猜
词悟
义的
能
力。
4
Step 4
Homework
2. more space2. many types of clothes and
shoes
3. less homework3. many kinds of tasty food
4. more time for hobbies4. be close to friends
… …
Homework
1. Read the article aloud.
2. Search the Internet for more information
about life on Mars.
3. Finish the exercises in the workbooks.
引导
学
生
进行
深层
次阅
读，
培养
英语
思维
能
力，
让学
生成
为阅
读的
积极
思考
者。
通过
小组
合
作，
引导
学生
收集
信
5
息，
在组
内谈
论地
球生
活和
未来
火星
生活
的利
与
弊，
培养
学生
辩证
思维
的能
力，
为接
下来
的辩
论活
动做
好铺
垫。
英语
辩论
不仅
能帮
助学
生活
用所
学语
言知
识，
而且
能激
发学
生思
维，
为他
6
们今
后成
为
“善
于哲
思的
智
者”
打好
基
础。
教
学
反
思
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