人教版（2019）选择性必修第三册Unit 3 Environmental Protection Reading and Thinking 课件(共52张PPT)

(共52张PPT)
选择性必修三 Unit 3
Environmental Protection
language points
01
Climate change requires the world’s attention [p26-27]
02
Reducing water pollution in the Li River [p32-33]
Language points(核心单词用法+课文重点短语)
1．starve vi.& vt.(使)挨饿；饿死 (starving adj.挨饿的；即将饿死的 starvation n．饥饿；挨饿；饿死)
[教材原文] An expert who has studied polar bears for many years said that from the position of its dead body, the bear appeared to have starved and died. 一位研究北极熊多年的专家说，从它尸体的位置看，这只北极熊似乎是饿死的。
(1)starve for 渴望……；急需……
starve to death 饿死
(2)die of/from starvation 饿死，死于饥饿
(1)It is surprising that there are still many people in the world ____________ to death each year; that is，many people die of ____________．(starve)
(2)看到你在论坛上说你渴望知识并且想来中国接受大学教育，我迫不及待地表示热烈欢迎。(应用文之回复信)
Seeing your words in the forum that ___________________________
________________________________ for college education, I can't wait to show my warm welcome.
starving
starvation
you starve for knowledge and
want to come to China
2．release vt.& n．排放；释放；发布
[教材原文] The heat is released back into space at longer wave lengths.
热量以更长的波长释放回太空。
release ...from ... 把……从……解脱/释放出来
go on release 上映；发行
(1)[一词多义]写出下列句子中release的含义
① I'm glad to hear that a new movie is to be released at nine this Saturday.____________
②He was released from prison after serving two years of a five-year sentence.____________
③It's said that the software is planned for release in April. __________
上映
释放
发布
(2)短视频平台可以展示我们的才能，释放我们的压力，从而越来越受到人们的欢迎。(写作话题之数字科技)
Short video platforms ____________________________________， and thus they become more and more popular with people.
can show our talent and release our pressure
3．restrict vt.限制；限定；束缚 (restriction n．限制规定，限制法规；约束 restricted adj.有限的；受限制的 restrictive adj.限制性的；约束性的)
[教材原文] We as individuals can also reduce our “carbon footprint” by restricting the amount of carbon dioxide our lifestyles produce.作为个人，我们也可以通过限制生活方式所产生的二氧化碳排放量来减少我们的“碳足迹”。
(1)restrict...to... 把……限制在……
be restricted to 限于
restrict sb./oneself to (doing) sth. 约束某人(做)某事
(2)without restriction 毫无限制
(1)To our disappointment, the new policy is very ____________ (restrict) and limits our options.
(2)The newly-opened swimming club is open to families in the neighbourhood without ____________ (restrict).
restrictive
restriction
(3)为了保持健康，我尽量限制自己只吃健康的食物。(写作话题之饮食与健康)
To keep fit，I'm trying to ________________________________．
restrict myself to eating healthy food
(4)关于网上学习，我们应该把玩电脑游戏和观看视频的时间限制在30分钟以内。只有严格的限制和自律，我们才能更有效地在网上学习。
As to online learning，_____________________________________
______________________________________________________．
Only ______________________________________ can we learn more efficiently online.
we should restrict ourselves to playing computer games and watching videos for within 30 minutes
with strict restrictions and self-discipline
4．seize vt.抓住；夺取；控制
[教材原文] It is our responsibility to seize every opportunity to educate everyone about global warming, along with its causes and impacts, because this is the most serious issue affecting all of us on this planet.抓住每个机会来教育大家了解全球变暖及其原因和影响的知识是我们的责任，因为这是影响地球上所有人的最严重的问题。
(1)seize sb.by the＋身体部位 抓住某人的……
seize a chance/an opportunity 抓住机会
(2)seize...by surprise 突袭……
be seized with/by 被(强烈的情感、愿望等)影响
(1)His unexpected coming seized me ____________surprise and I was rooted to the ground, speechless.
(2)你应该抓住机会去参加这个活动，以提高你的整体能力。(应用文之建议信)
You should __________________________ to participate in the activity to enhance your overall ability.
by
seize the chance/opportunity
(3)汤姆兴奋地抓住我的胳膊，迅速跑到湖边，跳入湖中玩耍。(读后续写之动作描写)
Tom excitedly ____________________________， rushed to the lake quickly and jumped into the water to play.
seized me by the arm
(4)随着熊的走近，恐慌立刻攫住了我，我一动也不敢动。(读后续写之恐惧表达)
With the bear approaching，_________________________________
__________ and I was unable to move an inch.
panic seized me/I was seized with/by
panic
5.harmonious adj.和谐的 (harmony n．融洽；和谐；协调)
in harmony with sb./sth.与某人/某物协调；与某人/某物和谐相处
live/work in harmony 融洽地生活/工作
(1)Making friends can help us establish good interpersonal relationships, and build a ____________ (harmony) society.
(2)Though students in our dormitory come from different places, we live together ____________ harmony.
harmonious
in
(3)让我们为创造一个绿色和谐的环境共同努力！(应用文之倡议书)
Let's make our joint efforts _________________________________
______________________！
to create a green and harmonious
environment
6.submit vt.& vi.提交；呈递；屈服 [submissive adj.服从的，顺从的，恭顺的 submission n．提交(物)；呈递(书)；屈服]
[教材原文] According to the report submitted by researchers, between 20 and 25 percent of all annual carbon dioxide emissions are caused by the destruction of tropical forests.根据研究人员提交的报告，每年二氧化碳排放量的20%到25%是由对热带雨林的破坏造成的。
submit sth. to sb. 提交/呈递某物给某人
submit (oneself) to... 顺从；屈服
(1)She is a strong-willed person who never submits herself ____________ failure.
(2)Thank you for considering my ____________ (submit), and I look forward to seeing the exhibition come to life through the contributions of fellow students.
(3)请在截止日期前向公司提交申请表。(应用文之招聘)
Please ________________________________________ before the deadline.
to
submission
submit your application forms to the company
7．sensitive adj.敏感的；善解人意的；灵敏的(sensible adj.明智的；合理的；可觉察到的 sense n．感官；意义；意识 vt.感觉到，察觉到)
[教材原文] Why is nuclear power a sensitive topic 为什么核能是一个敏感话题？
(1)be sensitive to 对……敏感
(2)be sensible of... 意识到……
(3)a sense of... ……感
make sense 有道理；讲得通
make sense of 理解
(1)She has a strong sense ____________ justice and her dream is to be a lawyer.
(2)She is very sensitive ____________ others' feelings. That's why she is often in low spirits.
(3)If you are not ____________ (sense) of the dangers of your position，you will suffer a lot sooner or later.
of
to
sensible
(4)把这篇文章读了几次之后，我终于理解了作者的主要观点。
After reading the article several times，________________________
_______________________．
I finally made sense of the
author's main points
1．There is little/no doubt that...毫无疑问……
[教材原文] There is little doubt that Earth is getting warmer and warmer (see the graph).毫无疑问，地球正在变得越来越暖和(见图表)。
(1)此句中“There is little doubt that...”表示“毫无疑问……”，其中that引导同位语从句。
(2)doubt用作名词时，在肯定句中用whether (不可用if)引导同位语从句；在否定句中用that引导同位语从句，如：
There is some doubt whether... ……有些疑问
There is no doubt that... ……是毫无疑问的
(3)doubt用作动词时，在肯定句中后多跟if或whether引导的宾语从句；在否定句或疑问句中后跟that引导的宾语从句，如：
I doubt whether/if... 我怀疑……
I don't doubt that... 我毫不怀疑……
(1)I doubt ____________ he is qualified for the position advertised in the newspaper.
(2)No one doubts ____________ computers are playing an increasingly important part in our daily lives.
(3)毫无疑问，在我们的共同努力下，我们的星球会变得越来越美丽。(应用文之倡议书)
________________________________________________________
______________ with us working together.
whether/if
that
There is no/little doubt that our planet will become more and more beautiful
2.介词(短语)引导虚拟语气
[教材原文] Without this process，Earth could not sustain life.没有这个过程，地球就无法维系生命。
(1)本句中without this process表示一个含蓄条件句，主句为与现在事实相反的虚拟语气。
(2)在含蓄虚拟结构中，如果是与现在或将来事实相反的假设，则主句谓语动词用“would/could/might＋do”；如果是与过去事实相反的假设，则主句谓语动词用“would/could/might＋have done”。
(3)含蓄条件句还可以用but for，otherwise，or，but等词或短语来引导。
(1)If it hadn't been for your help, we couldn't have finished the work ahead of time.
→__________________________， we couldn't have finished the work ahead of time.
But for/Without your help
(2)我感谢我的英语老师，如果没有他，我就不可能在英语方面取得这么大的进步。(写作之人物介绍)
I thank my English teacher, without whom ____________________
________________________________.
I couldn't have made
such great progress in English
(3)谢谢你的及时帮助；否则我们现在就会有很大的麻烦了。(应用文之感谢信)
Thank you for your timely help；_____________________________
___________ now.
otherwise we would be in great
trouble
Climate change requires the world’s attention (短语)
1．climate change 气候变化
2．for decades 几十年
3．There is little doubt that 毫无疑问……
4．along with 和……一起
5．got along well with 相处的很好
6．provide evidence 提供证据
7．a dramatic change 剧变
8. be shocked by 被震惊；对某事感到非常震惊
Climate change requires the world’s attention (短语)
9．polar bear 北极熊
10．according to 根据；按照
11．from the position of 从…的角度
12．have an impact/effect/influence on 对……有影响
13．greenhouse effect 温室效应
14．greenhouse gas emissions 温室气体排放
15．refer to 涉及；指的是；适用于
16．carbon dioxide 二氧化碳
Climate change requires the world’s attention (短语)
17．fossil fuel 化石燃料
18．be trapped in 陷入困境……；被困于……
19．sustain life 维持生命
20．huge amounts of 大量，许多
21．natural disasters 自然灾害
22．cause serious damage 造成严重损害
23．There is strong and comprehensive evidence that 有充分而全面的证据表明
24．lead to/result in/bring about/spark off/cause 导致
Climate change requires the world’s attention (短语)
25．take appropriate actions/measures/steps to do sth. 采取适当的行动/措施/步骤
26．in fact/as a matter of fact 事实上，实际上
27．as individuals 作为个人
28．economic losses 经济损失
29．long-lasting changes 长期持久的变化
all over the world 全世界
consider doing sth. 考虑做
make policy 制定政策
Climate change requires the world’s attention (短语)
33．carbon footprint 碳足迹；碳排放量
34．It is our responsibility to do sth. 做某事是我们的责任
35．take responsibility for 为……负责任
36．seize every opportunity/chance to do sth.
抓住一切机会做某事
01
Climate change requires the world’s attention [p26-27]
02
Reducing water pollution in the Li River [p32-33]
Language points(核心单词用法+课文重点短语)
1．tolerate vt.忍受；包容；容许 (tolerant adj.宽容的；容忍的 intolerant adj.无法忍受的；偏执的 tolerance n．容忍；忍受)
(1)tolerate (sb.) doing sth. 容忍(某人)做某事
(2)be tolerant of/towards sb./sth. 忍受/宽容某人/某事
(1)As a teacher, you must have a high level of ____________ (tolerate) for your students' mistakes.
(2)My partner tolerates me ____________ (stay) up late to watch TV, but it does bother him.
tolerance
staying
(3)不可否认，室友之间应该相互包容才能相处得很好。(写作话题之学校生活)
There was no denying that roommates should get on well by _________________________________.
being tolerant of each other
2．on behalf of代表(代替某人)
(1)on sb.'s behalf＝on behalf of sb. 代表/代替某人；以某人的名义
in behalf of sb.＝in sb.'s behalf 为帮助某人
(2)stand for 代表；主张，支持；容忍
represent v．代表
(1)I would like to thank you all ____________ behalf of my whole family.
(2)The man seldom had a good rest ____________ behalf of those who were in need.
(3)我们两个代表全班同学来看望您。
①We both come to visit you ___________________________．
②We both come to visit you，________________________．
on
in
on behalf of the whole class
representing the whole class
1．with复合结构
[教材原文] Water pollution levels increased，with more household and commercial waste ending up in the river.随着越来越多的家庭和商业垃圾流入江中，水污染水平不断上升。
(1)本句中的“with more household and commercial waste ending up in the river”是with复合结构，即“with＋宾语＋宾语补足语”。
(2)with复合结构可作定语，也可作状语，表示伴随、方式、条件、原因等。其具体构成如下：
①with＋宾语＋介词短语/adj./adv.
②with＋宾语＋动词不定式(表示动作将要发生)
③with＋宾语＋现在分词(表示主动或动作正在进行)
④with＋宾语＋过去分词(表示被动或动作已经完成)
(1)约翰坐在窗边，目光紧盯着一本书。
John sat beside the window, _______________________________．
(2)有太多的工作要做，我感到很无助、很焦虑。(读后续写之焦虑表达)
________________________， I feel helpless and suffer from anxiety.
with his eyes fixed/focused on a book
With too much work to do
(3)史密斯老师发现他的作业又没完成， 愤怒地大叫了一声， 眼里闪烁着恼怒的光芒。
Finding his homework was unfinished again，Mr. Smith let out a cry of anger, ____________________________________．
with his eyes shining with annoyance
2.It is believed that．..人们认为/相信……
[教材原文] With these measures, it is believed that the beauty of the Li River will be preserved for generations to come.有了这些措施，人们相信，漓江的美丽将会为后代保存下来。
(1)It is believed that...中it作形式主语，指代that引导的主语从句，意为“人们认为/相信……”，可转换为“主语＋be believed to do ...”结构。
(2)类似的用法还有：
It is said/reported/thought (acknowledged)/supposed/expected that ...
＝主语＋be＋said/reported/thought
(acknowledged)/supposed/expected to do...
据说/报道/认为/推断/预计……
(1)It is said that the company is advertising for a sales manager, and you can have a try.
→ The company _____________________________________， and you can have a try.
(2)大家普遍认为这部电影不仅具有指导意义，且充满激情。
_____________________________________________________ but also full of emotion.
is said to be advertising for a sales manager
It is widely acknowledged that the film is not only instructive
(3)据报道，政府已经宣布了新的措施来解决该市日益严重的空气污染问题。(写作话题之环境保护)
________________________________________________________ to tackle the rising issue of air pollution in the city.
It is reported that the government has announced new measures
Reducing water pollution in the Li River(短语)
1．one of the most well-known +n.(复数) 最出名的...之一
2．tourist destination 旅游目的地
3．tourist attractions/scenic spots 旅游景点
4．domestic and foreign visitors 国内外游客
5．have negative/positive effects on 对……有负面/正面影响
6．deal/do/cope with /solve/tackle 处理；应对
7．address vt.设法解决 n.地址
8．water quality/pollution 水质/污染
Reducing water pollution in the Li River (短语)
9．suffer from 遭受；患病
10．throw ... into ... (throw-threw-thrown) 扔进
11．contribute to 促成；造成(某事发生)；有助于
12．on board 在船(火车，飞机)上
13．as well as 和，以及
14．the number of ……的数量
15．household and commercial waste 家庭和商业垃圾
16. end up doing sth. 结束；最终成为
Reducing water pollution in the Li River (短语)
17．be concerned about/that 担心
18．natural environment 自然环境
19．environmental awareness 环保意识
20．water conservation 节约用水；水资源保护
21．dozens of 许多；很多
22．in search of / search for/ seek for / look for 寻找
23．die out 灭绝
24. regarding/concerning prep. 关于；至于；就……而论
Reducing water pollution in the Li River (短语)
25．tour boat 观光船
26．garbage disposal methods 垃圾处理方法
27．furthermore/in addition/moreover/what’s more 此外，而且
28．clean energy 清洁能源
29．at the same time/meanwhile 同时
30．carry out / implement 执行，实施
31．it is believed that 人们相信
32．for generations to come 为子孙后代，为未来几代人
33. in effect 实际上；生效
thank you