(共29张PPT)
Unit 4 Space Exploration
Learning aims
1. To read quickly to get main idea; read carefully to get the detailed information.
2. To master the structure and language features of an argumentative essay.
3. To learn to write your opinion about space exploration.
4. To know the value of space exploration.
Leading-in
Look at the pictures and learn about the advantages and disadvantages of space exploration.
Do you think exploring space is a waste of time and money Why
Thinking
Reading Comprehension
1. Find out the main idea of each paragraph.
Para. 1: _______________________________________________________
____________________
Para. 2: _______________________________________________________ ______________________
Para. 3: _______________________________________________________
______________________________________________________ Para. 4: _______________________________________________________ _______________________________________________________ Para. 5: _______________________________________________________
_________________________
Present an argument whether exploring space is a waste of time and money.
Exploring space has made a difference in the fight against world hunger.
Space exploration has already promoted technological improvements that benefit us.
Sending astronauts into space has furthered understanding of the world’s problems and figuring out ways to solve them.
Fast reading
Draw a conclusion that exploring space is of great benefit, so we should continue.
an argument about introducing different benefits of exploring space.
2.The main idea of the passage is about ___________________________ ___________________________________
Careful reading
1. Why are some people against space exploration
2. What has space exploration done for food production
3. How does space exploration benefit the products that people use nowadays
4. What did the pictures of Earth from space make people realise
They think space exploration wastes time and money and humans should feed the poor and find solutions to other problems, such as pollution and fatal diseases.
Space exploration has resulted in many satellites, which can record data on land and weather patterns.These studies help farmers grow more crops and warn them about natural disasters before they occur.
They made people realise that our planet's resources are limited.
Advanced technology developed for space exploration has promoted technological improvements that benefits us all by allowing products to be made to a higher standard.
Para.1
Para.2
Para.4
Para.3
Fill in the blanks and catch the structure of the passage.
Different opinions about space exploration
Some people argue that we should stop exploring, while others feel this is a 1. ________ view.
shallow
Different benefits of exploring space
It has 2. _______________ in the fight against world hunger.
It has 3. ________ technological improvements.
It helps people 4. __________the world’s problems.
made a difference
promoted
think about
Draw a conclusion
Exploring space should 5. _________.
continue
Different opinions about space exploration
Introduction
Closing
Topic sentence
Secondly, space exploration has already promoted technological improvements that benefit us all.
Topic sentence
Finally, sending astronauts into space has helped people to think about the world's problems and even to find ways to solve them.
Body Paragraphs: supporting evidence
Topic sentence
First, exploring space has made a difference in the fight against world hunger
The writer's opinion:Exploring space provides the world with many different benefits.
Study the organisation and langauge features
1. argue vt. & vi. 论证;争辩;争论
Some people argue that we should stop wasting time and money exploring space. 有些人则认为我们应该停止浪费时间和金钱去探索太空。
argue with sb. about/over sth. 与某人 争论某事
argue for 为支持……而争辩
argue against 为反对……而争辩;不赞成
argue that... 争辩……;认为……
argument n. 争论;辩论
Language points
【知识归纳】
【即学即练】语法填空
① Tom has been arguing_________his brother about where they should go for their holidays.
② Robert argued _________ reducing his pocket money every month.
③ Most teachers argued_______an increase in their salaries.
④ It’s no use __________(argue)with me about the matter.
⑤ You should solve the problem by ________(argue),not by fight.
with
against
for
arguing
argument
2. shallow adj. 肤浅的;浅的
However, others feel this is a shallow view which fails to realise how exploring space helps us.
然而,其他人认为这是一种肤浅的观点,没有意识到探索太空是怎样帮助我们的。
a shallow argument 肤浅的论点
shallowly adv. 肤浅地;浅地 shallowness n. 肤浅;浅
shallow adj. 浅的←→ deep adj. 深的
【知识归纳】
【即学即练】完成句子
①His argument was______________(如此肤浅)that few people were argued into supporting his idea.
②_______________(越浅)the earthquake is,the more likely it is to cause damage.
单句翻译
③ 这条河里的水太浅了,我们可以走过去。
____________________________________________________
④ 鲍勃是个肤浅的人。另外,他很懒。
____________________________________________________
so shallow
The shallower
The water in this river is so shallow that we can walk across it.
Bob is a shallow person. Besides, he is very lazy.
3. limited adj. 有限的
Seeing pictures of our planet as an island in a black sea made people realise that our planet’s resources are limited.
把我们星球看作是在黑暗的海洋中一个岛屿,这使人们意识到我们星球的资源是有限的。
(2023·全国乙卷)Once we found the place, it was stressful getting lights and cameras set up in the limited time.
一旦我们找到了这个地方,在有限的时间内设置灯光和摄像头会很有压力。
limit n. & vt. 限制 set a limit to/on 限制,控制
There be no/a limit/are limits to/on... …… 是无限的/ 有限的
limit... to... 把……限定在……
be limited to 限定在…… limitless adj. 无限的
【知识归纳】
【即学即练】语法填空
①Time is__________(limit),so we must get down to work now.
②Henry is a man of_________(limit)ability,so the manager won’t allow him to take charge of the department.
③The universe is becoming bigger all the time,so it is _________(limit).
④There is a limit _______ what one person can do.
limited
limited
limitless
to
4. closing adj. 结尾的;结束的 n. 停业;关闭;倒闭
In closing,exploring space provides the world with many different benefits.
最后, 探索太空给世界带来了许多不同的好处。
in closing 最后
closing date 截止日期
closing time(酒店、餐馆、商店等)打烊时间;停止营业时间
get/be close to 靠近;接近
【知识归纳】
【即学即练】语法填空
①The ________(close)date for the application is April 30.
②At the __________(close)ceremony,they gave us a wonderful performance.
③___________(最后), we must make a final decision right now.
④Don’t _____________(靠近)the dog,because it is fierce.
closing
closing
In closing
get close to
最近,你班同学就“太空探索是否值得”这一话题展开了一场讨论。请你根据下表提供的信息,用英语写一篇短文介绍讨论的情况,并谈谈自己的看法。
30%的同学认为: 70%的同学认为:
1.不值得探索
2.离我们及我们的日常生活太遥远
3.浪费金钱。这些金钱本可用来解决地 球上的饥饿、污染等问题 值得探索
2.已使用卫星进行通讯传播、天气预报
3.有望解决地球人口问题、地球能源短缺问题
Writing
【谋篇】
1. Know the structure of an argumentative essay.
Writing
Introduction: present the topic and different opinions about space exploration.
Body: give supporting evidence.
(topic sentences, linking words)
Closing: draw a conclusion and express your opinion.
point 1...
point 2...
point 3...
2. the outline
Paragraph 1:_____________________________________ _____________________________________
Paragraph 2:_____________________________________ _____________________________________
Paragraph 3:_____________________________________ _____________________________________
Paragraph 4:_____________________________________ _____________________________________
Recently,students in our class have had a discussion on whether space is worth exploring.
30% of us think space exploration is not
worthwhile.
On the other hand,70% think space is
worth exploring.
As far as I am concerned, it is worthwhile to
explore the space.
①用于太空探索的资金可以用来解决地球的饥饿和污染等问题。(过去分
词作定语) ______________________________________________
______________________________________________
②30%的同学认为太空不值得探索。
______________________________________________
③他们认为太空探索离我们及我们的日常生活太遥远并且浪费金钱。
______________________________________________
______________
And the money spent on space exploration can be used to solve the earth’s problems such as starvation and pollution.
30% of us think space exploration is not worthwhile.
They think space is too far away from us and our daily life and is a waste of money.
3. make sentences
④70%的人认为太空值得探索,因为我们从中受益匪浅。(because) ______________________________________________________________
⑤总有一天,我们可以搬到其他星球去解决人口问题。(by doing)
______________________________________________________________
⑥太空研究将使我们能够找到新的能源来解决地球上的能源短缺问题。
(不定式作目的状语) ______________________________________________________________
⑦在我看来, 探索太空是值得的。
______________________________________________________________
70% think space is worth exploring because we have benefited a lot from it.
We may solve the population problem by moving to other planets one day.
Space research will enable us to find new sources to solve the problem of energy shortages on the earth.
As far as I am concerned, it is worthwhile to explore the space.
Writing
Recently, students in our class have had a heated discussion on whether space is worth exploring. Students hold different ideas about it.
30% of us think space exploration is not worthwhile. They think space is too far away from us and our daily life and is a waste of money. And the money spent on space exploration can be used to solve the earth’s problems such as starvation and pollution.
On the other hand,70% think space is worth exploring because we have benefited a lot from it,such as using satellites for communication and weather forecast. What’s more,with further space research,we may solve the population problem by moving to other planets one day. Also,space research will enable us to find new sources to solve the problem of energy shortages on the earth.
As far as I am concerned, it is worthwhile to explore the space. Not only can it promote the development of society but also enrich our life.
□Does the introduction state the topic
□Does the introduction express different opinions about the topic
□Does the body give arguments with suitable supporting information
□Does the closing express the writer's opinion and end properly
□Are there any grammar, spelling, or punctuation errors
Check and revise your draft.
词汇
清单
核心短语
应用词汇:1.argue:argue with sb. about/over sth.; argue for ;argue against; argue that...
2. shallow: a shallow argument
3. limit : set a limit to/on; There be no/a limit/are limits to/on; limit... to... ;
be limited to
4. closing: in closing; closing date; closing time; get/be close to
the solution to; make a difference ; result in;a number of ;as a result;provide for sb.;at present;run out
认知词汇: fatal, analysis, high-end,regularly, foam, pillow, smartphone
拓展词汇:regularly→ regular; limited→ limit→ limitation→ limitless; closing →close; attach→attachment
Summary
With the development of modern technology and economy, the living standard of
the people is improving day by day. This leads to a very common phenomenon: more
and more waste cannot be processed effectively, ____________ a series of problems,
such as environmental pollution and waste of ____________.
On July 1st Shanghai introduced strict trash-sorting regulations that are expected
to be used as a model for the country. Residents must divide their waste into four
separate categories including hazardous waste, _________ waste, household food
waste and residual waste. Then throw them into specific public bins at scheduled
times. A lot of residents cannot __________the classification standard because they
lack relative knowledge. The government has made ________ measures __________
ensure the residents to follow the regulations. For example, ________ are arranged
to monitor residents’ behavior. However, some residents _____________ it and
consider it as a _____ of their life.
resulting in
resources
recyclable
figure out
attached
so as to
monitors
argue against
limit
limit; attach; result in; monitor; figure out; argue against;so as to; recycle; resource
Exercise
Ⅰ选词填空
1.一些人认为太空探索是值得的。(argue, be worthy to be done)
________________________________________________________________________
2.卫星在预报天气和通信上发挥了重要作用,这使得我们的生活更加便利。(make a great difference)
_______________________________________________________________________________
_________________________________________________________________
3.太空技术已经帮助生产了很多用以提升我们日常生活的高端产品。(high-end product)
________________________________________________________________________
4.探索太空不仅能够拓展我们的视野,并且满足我们对于宇宙的好奇心。(not only, but also)
_______________________________________________________________________________
___________________________________________________________________
Some people argue that space is worthy to be explored.
Satellites have made a great difference in weather forecast and communication, which make our life more convenient.
Space technology has helped produce many high-end products that improve our daily lives.
Exploring space can not only extend our horizon, but also satisfy our curiosity about the universe.
Ⅱ翻译句子
Enrich your life today, yesterday is history, tomorrow is mystery.
充实今朝,昨日已成过去,明天充满奇迹。