人教版（2019）选择性必修 第三册Unit 3 Environmental Protection Revision 课件(共20张PPT)

(共20张PPT)
Unit 3 Revision
Part 1 words
1. starve v. (使)挨饿→_________n. 挨饿→ ________adj. 饥饿的
2. ecology n. 生态→_________adj. 生态的→________n. 生态学家
3. habitat n. 居住地; 栖息地→_________adj. 适合居住的→________n. 居民
4. sustain vt. 维持; 保持 → __________adj. 可持续的; 合理利用的
5. restrict vt. 限制→ _________n. 限制规定; 限制法规; 约束
6. harmony n. 和谐→___________adj. 和谐的
7. origin n. 起源; 出身→________v. 起源→_______adj. 最初的
starvation
starving
ecological
ecologist
habitable
habitant
sustainable
restriction
harmonious
originate
original
8. conserve v. 保护→___________n. 保护→ _____________n. 环境保护主义者
9. regulate v. 规定→_________n. 章程; 规章制度
10. tolerate vt. 容忍→________n. 容忍→ _______adj. 宽容的
11. frequent adj. 频繁的→_________adv. 频繁地→ _________n. 频率
conservation
conservationist
regulation
tolerance
tolerant
frequently
frequency
climate changes
There is little doubt that...
along with
provide evidence
a dramatic change
Part2：para 1
1.气候变化
2. 毫无疑问...
3. 和；连同
4. 提供证据
5. 一个巨大的变化
be shocked by
appear to do =seem to do
in order to do...
the alarming case
have an impact/effect/influence on
para 2
1. 被...震惊
2. 似乎
3. 目的是
4. 令人震惊的案例
5.对...产生影响
global average surface temperature
a key climate process
greenhouse effect
man-made
refer to (referred-referring) reference
as short-wave radiation
release...into...
keep earth’s climate warm and habitable
sustain life
huge amounts of
be trapped in
para3
1. 全球平均表面温度
2. 一个关键气候过程
3. 温室效应
4. 人造的
5. 指的是
6. 以短波辐射的形式
7. 释放到
8. 地球温度保持温暖并适于居住
9. 维持生命
10. 大量的
11. 被困在
strong and comprehensive evidence
extreme weather
natural disasters
cause damage
5.cost human lives
6. take appropriate action
7. the warming trend
8. frequently broadcast
9. extreme rainstorms and heatwaves
10. economic losses
Para4
1. 充分且全面的证据
2. 极端天气
3. 自然灾害
4. 造成损害
5. 造成生命损失
6. 采取适当的行动
7. 变暖的趋势
8. 频繁地报道
9. 极端暴雨和热浪
10. 经济损失
result in=lead to=contribute to
result from v.
as a result of =because of=due to=
2. consider making policies
3. take appropriate action/ measures/steps
4. restrict the amount of carbon dioxide
5. It is our responsibility to do
take responsibility for doing
6. seize the opportunity to do（seize sb. by the+n.）
7. deal with climate change
（tackle/ work out /address /handle ）
1. 导致
由...造成
由于
2. 考虑制定政策
3. 采取适当的行动
4. 限制二氧化碳的量
5. 做...是我们的责任
6. 抓住机会做某事
7. 处理
Revision：找出课文中同位语从句并加以背诵
1.毫无疑问，地球是在变得越来越暖(见表)。
2.“自然”温室效应是指太阳的热量进入大气层，并以短波辐射的形式使地球表面变暖。
3.有充分而全面的证据表明，温度升高导致全世界范围内极端天气和自然灾害增加，不仅造成了严重的破坏，而且还造成了人员伤亡。
4.没有这个过程，地球将无法维持生命。（虚拟语气）
Revision：找出课文中含有给出建议的语句并加以背诵
1. Climate scientists have warned that if we do not take appropriate actions, this warming trend will probably continue and there will be a higher price to pay.
2.Governments need to consider making policies and taking appropriate actions and measures to reduce greenhouse gas emissions.
3.We as individuals can also reduce our "carbon footprint" by restricting the amount of carbon dioxide our lifestyles produce.
4. It is our responsibility to seize every opportunity to educate everyone about global warming.
Learn some useful expressions
1. 对...有消极影响
2. 导致严重水污染问题
3. 采取紧急措施
4. 恢复它原来的美丽
5. ...的增长
6. 有效地解决问题
7. 垃圾分解办法
8. 当局（当地政府）
9. 下一代
10. 一个干净（绿色）和可持续的未来
have negative effects on...
contribute to severe water pollution
ugent steps should be taken to...
restore its original beauty
the growth/increase in
tackle the problems effectively
garbage disposal methods
the local authorities
generations to come
a clean and subtainable future
1. However, its reputation as a top destination has had negative effects on the river's water quality. This report looks at the problem of water pollution and some actions that have been taken to deal with it.（问题）
2. Water pollution levels increased, with more household and commercial waste ending up in the river.
3. Local officials were concerned that the pollution was damaging the natural environment and felt that urgent steps should be taken to restore the rivers original beauty
然而，它作为顶级旅游胜地的声誉对河流的水质产生了负面影响。这份报告着眼于水污染问题以及为解决这个问题而采取的一些行动。
水污染水平上升，更多的家庭和商业废物最终流入河中。
当地官员担心污染正在破坏自然环境，并认为应采取紧急措施恢复河流的原始美景。
4. A comprehensive initiative was started, with a number of measures that addressed the issues.
一项全面倡议启动了，采取了若干措施解这些问题。
5. With these measures, it is believed that the beauty of the Li River will be preserved for generations to come
通过这些措施，人们相信漓江之美将得以世代相传。
6. With such campaigns in effect， Chinas waterways are heading towards a clean and sustainable future
随着这些行动(的展开)，中国的水资源正朝着洁净的、可持续发展的未来迈进。
The beautiful Li River is one of the 1_____________（famous）tourist destinations，but the 2__________（grow） in tourism has had negative effects on the river’s water quality. This report looks at the problem of water pollution and some actions that have been taken to deal with it.
Water quality in the Li River had suffered 3__________（great）from an increasing volume of tourists，many of 4__________ frequently threw garbage into the river. Many tour boats contributed 5_______ the problem too. The local population rose rapidly，as well as 6_______ number of commercial and industrial enterprises. Water pollution levels increased，with more household and commercial waste ending up in the river. To feed more people，more chemicals 7__________（use）to increase crop production. These chemicals led to severe water quality issues，8__________（cause）a decrease in the number of fish species.
Finally，a series of urgent steps were taken 9__________（restore）the river’s original beauty. It is believed 10__________ the beauty of the Li River will be preserved for generations to come.
most famous
growth
greatly
whom
to
the
were used
causing
to restore
that
课文语法填空
How to write a report on an environmental issue
体裁 议论文 时态 一般现在时和一般过去时
主题 环境保护 人称 第一或第三人称
Tips 第一段: 提出问题 第二段: 解决措施 第三段: 结论/结果
例题：某英文报刊将开展一次主题为“Environmental Protection”的征文活动。请你以“Reducing air pollution”为题目写一篇100词左右的英语报告。
Reducing air pollution
　 As is known to us all, air pollution is becoming more and more serious. This phenomenon drew our attention.
　 To deal with the problem, the government took some effective measures. Firstly, they carried out strict regulations, making some factories closed down or moved out of the city center. Secondly, cars and buses using new clean energy were produced, which reduced the carbon dioxide emission. Also, a lot of trees were planted on hills, fields and so on. Most importantly, the government’s measures called on people to be involved in reducing the source of air pollution.
If every citizen makes efforts to protect our environment, the day will come when people will take in clean air.
A sample
As is known to us all, ......(问题) is becoming more and more serious. This phenomenon drew our attention.
To deal with the problem, ......(主语) took some effective measures. Firstly, they carried out strict regulations and ....... (措施) Secondly, ......(产品) were produced, which reduced ......(减少危害). Most importantly, ......(主语) should called on people to be involved in reducing ...... (问题)
The earth is our home and we have the duty to take care of it. I hope the problem will be solved in the near future and our home will become better and better.
参考模板
当今，我们周围的空气环境变得越来越差，为了加强学生们的环保意识，学校打算开展以“为家乡空气污染问题出谋献策”为主题的征文活动，警示人们要保护环境。请你写一篇报告，内容要点如下：
1. 写明家乡空气污染的原因；
2. 建设绿色家乡，建议采取什么措施（2-3点）；
3. 倡议大家行动起来。
其他要求：80词左右；注意使用本单元所学的语言表达和写作要点。
Writing
Reducing air pollution
　　My hometown has witnessed severe air pollution for several years due to the inappropriate usage of fuel wastes and the increasing demand for cars, which drew our attention.
　　To tackle the problem, the local authorities took urgent steps. Not only did they carry out strict regulations, but they also fined industrial factories for fuel abuses. Besides, cars using new clean energy were preferred, which reduced the carbon dioxide emission. Most importantly, the government called on people to get involved in
组句成篇
reducing the source of air pollution, such as replacing private cars with shared bikes, etc.
Let’s spare no effort to make contributions to solving the air pollution problem in our hometown!
组句成篇