外研版（2019）选择性必修第二册Unit 6　Developing ideas & Presenting ideas & Reflection课件(共42张PPT)

(共42张PPT)
Unit 6
Section C　Developing ideas & Presenting ideas & Reflection
Part 1　Reading comprehension
Part 2　Language points
目录索引
Part 1　Reading comprehension
第一步 速读课文 理清脉络
Activity 1　What does the title of the text mean
A.The possibilities of living on Mars.
B.The challenges of living on Mars.
C.Living on Mars is better than living on Earth.
D.Moving to Mars one day will be human beings’ second choice for survival.
D
Activity 2　Read the passage and choose the main idea of each part.
1.Part 1(Para.1)　　 A.The possibilities and challenges of living on Mars
2.Part 2(Paras.2-4) B.The introduction of the topic
3.Part 3(Para.5) C.The author’s opinion
第二步 精读课文 领悟细节
Activity 3　Read the passage carefully and choose the correct answer.
1.In the 1960s and 1970s,what was the greatest fear
A.Nuclear missiles.
B.All advanced life forms.
C.Human race themselves.
D.Environmental problems.
A
2.Why is Mars so attractive to scientists
A.It’s close to Earth.
B.Because of some films.
C.It has fascinated humans recently.
D.It has a more hostile environment.
3.Human robots have done some tasks EXCEPT 　　　.
A.searching for water
B.orbiting the planet
C.testing the soil on Mars
D.exploring the Martian surface
A
B
4.Right now,what should we humans do to live safely
A.To protect Earth.
B.To take care of ourselves.
C.To move to another planet.
D.To continue our human activity.
A
Activity 4　思考分享 提升思维
1.What do you think of the aim of the passage
2.What can you do to protect the environment
略
略
Activity 5　诵读佳句 学练写作
Read the passage carefully and find the sentence(s) describing the possibilities of living on Mars.
①The most likely choice is Mars,which is relatively close to Earth and has an environment less hostile than that of other planets.
②Our robots have explored the Martian surface,testing the soil and searching for resources,water and signs of life.
③Encouraged by discoveries over the years,space agencies of various countries are planning manned missions to Mars that could take place within the next 25 years.
第三步 深读课文 融会提能
Activity 6　课文语篇填空
Human beings are faced with serious 1. ____________ (environment) problems,which lead scientists to consider moving to Mars 2.____________ the environment is less hostile than 3.____________ of other planets.Mars 4.____________(fascinate) people since ancient times and relevant movies also gain much 5.____________(popular).Spacecraft and robots 6.____________(send) to explore Mars since the 1960s,encouraging more 7.____________(country) to plan manned missions.
environmental
where
that
has fascinated
popularity　
have been sent
countries
There is no doubt that humankind is drawn towards Mars despite some challenges,8.____________ human settlement of Mars is still decades away.We have to admit that 9.____________(protect) our Earth is the most urgent step right now.We need to take much better care of 10.____________(we) own planet.
but
protecting
our
Activity 7　长难句分析
1.引导非限制性定语从句 连接并列句
The most likely choice is Mars,which is relatively close to Earth and has an environment less hostile than that of other planets.
后置定语　　　替代词 　　　
[尝试翻译]
最有可能的选择是火星,它离地球相对较近,环境不像其他行星那么恶劣。
2.　 引导宾语从句
The “closed” concept meant that the space was designed to function with its own oxygen,food and water,needing nothing from the outside world.
动词-ing短语作方式状语
[尝试翻译]
“封闭”的概念意味着这个空间被设计成依靠自身的氧气、食物和水来运作,而不需要外界的任何东西。
Part 2　Language points
基础落实 必备知识全过关
必记写作词汇
Ⅰ.重点单词
1.　　　　　　 v. 擦,拭,揩
2.　　　　　　 v. 环绕……运行
3.　　　　　　 v. 由……组成
wipe　
orbit　
consist
识记阅读词汇
4.Mars n.　　　　　　　　　　　　
5.nuclear adj. 　　　　　　　　　　
6.hostile adj. 　　　　　　　　　　
7.unmanned adj.　　　　　　　　　　
8.spacecraft n. 　　　　　　　　　　
9.stunning adj. 　　　　　　　　　　
10.agency n. 　　　　　　　　　　
11.astronaut n. 　　　　　　　　　　
12.capsule n. 　　　　　　　　　　
13.trunk n. 　　　　　　　　　　
火星　
核武器的　
(生长环境)恶劣的　
无人驾驶(操纵)的　
航天器,宇宙飞船　
极具吸引力的;令人惊奇的
机构;(尤指政府内的)局,部,处　
宇航员,太空人
(航天器的)密封舱,太空舱　
树干
串记拓展词汇
14.advanced adj.高级的;先进的→　　　　　 vt.& vi.前进;促进;提前n.前进;进步
15.terrifying adj.极其可怕的,骇人听闻的→　　　　　 vt.使恐惧
→　　　　　 adj.惊恐的→　　　　　　 n.惊恐;恐惧
16.infer v.推断,推定→　　　　　　 n.推理,推论
17.expose v.使暴露(于险境)→　　　　　 n.暴露
18.dust n.沙土,尘土→　　　　　　 adj.布满灰尘的
advance　
terrify
terrified
terror　
inference
exposure
dusty
【掌握构词规律　快速记牢单词】
后缀-ed和-ing常放在表示心理状态的动词后面构成形容词。后缀为-ed的形容词意为“感到……的”;而后缀为-ing的形容词用来表示主语或被修饰词的性质,意为“令人……的”。如:
excite 使兴奋→exciting令人兴奋的→excited感到兴奋的
surprise使吃惊→surprising令人吃惊的→surprised 感到吃惊的
amaze使惊奇→amazing令人惊奇的→amazed感到惊奇的
interest使感兴趣→interesting令人感兴趣的→interested 感到有兴趣的
Ⅱ.重点短语
1.wipe out 　　　　　　　　　　　
2.consist of 　　　　　　　　　　　
3.in the meantime 　　　　　　　　　　
4.　　　　　　　　　　　　 有共同之处
5.　　　　　　　　　　　　 不管某人
6.　　　　　　　　　　　　 被困于
彻底毁灭　
包含,包括　
同时　
have...in common　
leave sb.alone　
be caught in
要点探究 能力素养全提升
基础词汇——语境记忆
infer v.推断,推定
【佳句背诵】When you come across a new word,you can infer its meaning from the context.[观点看法]
当你碰到新单词时,你可以通过上下文来推断它的意思。
高频词汇——讲练互动
1.advanced adj.高级的,先进的
in advance 提前,预先
in advance of在……前面;超过
make advances in在……方面取得进步
advance on/upon/towards朝……前进/进攻
【佳句背诵】Most people find her advanced ideas difficult to accept.
大多数人都觉得她的先进思想难以接受。
【即学即练】单句语法填空/单句写作
①Next time you come to Beijing,be sure to let me know 　 　advance.
②This research has done much 　　　　　　　　　　　　(advance) our understanding of language learning.
③Having shown you around our school,we will introduce our most
　　　　　　　(advance) science lab to you.
in
to advance
advanced　
④中国在科技方面已经取得很大进步。
China ___________ ___________ ___________ ___________ in science and technology.
⑤他的思想走在时代的前列。
His ideas were _________ _________ _________ _________ _________.
has made great advances
in advance of his times
2.consist of由……组成;由……构成
consist of=be made up of
consist in 在于;存在于
consist with和……一致
consistent adj.相容的,一致的
be consistent with和……一致/相符
【佳句背诵】How many parts does the UK consist of [地理人文]
英国由几部分组成
【即学即练】单句语法填空/单句写作
①The program consists 　　　　　　the following activities:recitation,singing,word spelling,storytelling and so on.
②Success consists 　　　　　　the ability to continue efforts through failures.
③If what you say is not 　　　　　　　　(consist) with what you do,it will have a bad effect on your children.
of
in　
consistent
④宽容在于尊重别人的意见。
Tolerance_________ ________ _________ ________ _________of others.
⑤他的陈述与事实不符。
His statement doesn’t _________ ___________ ___________ ___________.
consists in respecting the opinions
consist with the fact
3.in the meantime在此期间,与此同时
meanwhile adv. 与此同时;在此期间
in the meanwhile=in the meantime 同时;在此期间
【佳句背诵】In the meantime,I’ll visit an old friend of mine.
在此期间,我将去拜访我的一位老朋友。
【即学即练】单句语法填空/单句写作
①He accompanied his daughter to the supermarket. ___________ the meantime,his wife was preparing supper at home.
②Mother went shopping; ___________,I cleaned the house.
③晚饭过后,人们就一起赏月了,同时还吃着月饼。
After supper,people went appreciating the moon;they
__________ __________ _________ _________ __________________.
④他在邮局工作,同时他也是一个作家。
He is working in a post office,and________ _________ _________________
he is a writer,too.
In　
meanwhile
ate mooncakes in the meanwhile/meantime
in the meanwhile/meantime
4.expose v.使暴露
expose sb./oneself to 使某人/自己暴露于……;使某人/自己接触……
expose sb./sth.揭露、揭发某人/事
be exposed to...暴露于……
【佳句背诵】He exposed the plan to several newspapers.[人物描写]
他向几家报社透露了这个计划。
【即学即练】单句语法填空/单句写作
①Don’t expose your skin 　　　　　　direct sunlight,or you’ll get sunburnt.
②It is generally believed that 　　　　　　　　　　　　(expose) to radiation is rather dangerous.
③Take care not to keep your children 　　　　　　(expose) to the bad books,networks or magazines.
to
being exposed
exposed
④去国外旅行能使孩子们接触到不同的语言和文化。
To travel abroad can ___________ ___________ ___________ different languages and cultures.
⑤暴露在空气中的伤口愈合得更快。
Wounds that_________ _________ _________ _________ ___________
heal more quickly.
【名师点津】在expose...to...以及be exposed to结构中,to为介词,其后要用名词、代词或动词-ing形式。
expose children to
are exposed to the air
多义词汇——自主练透
Ⅰ.一词多义
advanced
A.adj.年长的,年事已高的　B.adj.(学生)程度高的,高等的　C.adj.先进的
D.adj.晚期的,后期的
①This is the most advanced type of engine available.　　
②The course is suitable for beginners and advanced students.　　
③Medicare is available to victims of advanced kidney disease.　　
④He was a man of advanced years,but he is physically healthy.　　
C
B
D
A
Ⅱ.教材熟词生义
function
项目 意义 例句
熟义 n.　　　　　　　 It is now possible to map the different functions of the brain.
生义 v.　　　　　　　　 The authorities say the prison is now functioning normally.
功能
运作,运转
重点句式——多维剖析
1.there is no doubt that...毫无疑问……
【教材原句】There is no doubt that humankind is drawn towards Mars,with dreams of making it our second home.
毫无疑问,人类被火星吸引,梦想着把它作为我们的第二个家园。
have some doubt whether...怀疑是否……
there is some doubt whether...怀疑是否……
without doubt无疑地;确实地
I have no doubt that...我确定/相信……
I don’t/never doubt that...我确信……
I doubt whether/if...我怀疑……
【佳句背诵】There is no doubt that he will succeed eventually.[观点看法]
毫无疑问他最终将会成功。
【即学即练】单句语法填空/单句写作
①There is no doubt 　　　　　　　our experiment will succeed.
②You can complain,but I doubt 　　　　　it will make any difference.
③毫无疑问,剪纸艺术在中国文化中扮演着重要角色。
_________ _________ _________ _________ _________paper-cutting plays an important role in the Chinese culture.
that　
if/whether
There is no doubt that
④他是否能赢得一等奖还有些疑问。
________ ________ ________ ________ ________ he can win first prize.
⑤毫无疑问,李白使古诗创作达到了新的高度。
________ ________ ________ ________ ________ Li Bai took traditional poetic forms to a new height.
【名师点津】在否定句和疑问句中,用that引导宾语从句;在肯定句中,用whether或者if引导宾语从句。
There is some doubt whether
There was no doubt that
2.“do(does/did)+动词原形” 用来强调谓语动词
【教材原句】Although the two-year experiment was not a success,it did provide us with a better understanding of how humans might be able to live on another planet.
虽然这项为期两年的实验并不成功,但它确实让我们更好地了解了人类怎样做才可能在另一个星球上生活。
(1)强调谓语动词用do,does或did,也就是说只能强调一般现在时态和一般过去时态中的谓语动词,其他时态一般无此用法。
(2)若强调句子的主语、宾语、状语等成分,要用强调句型:It is/was+被强调部分+that/who+其他部分。当被强调部分指的是人时,可用that或who;其他情况一律用that。
When is it that you will go to see him
你准备什么时候去看他
【佳句背诵】He did finish his homework yesterday.[人物描写]
昨天他的确是完成作业了。
【即学即练】单句语法填空/句型转换
①I think he 　　　　　　(do) speak well.
②He 　　　　 (do) come but went back soon.
③As a matter of fact,he liked reading novels when he was young.(强调谓语动词)
→
④He works hard and can finish the job in time.(强调谓语动词)
→
does
did
As a matter of fact,he did like reading novels when he was young.
He does work hard and can finish the job in time.
本 课 结 束