课件22张PPT。Global warmingGrammar 4教学目标一、It is/was+ 被强调部分 + that+剩余的部分
被强调部分是人 who/whom/ that
+剩余的部分
注意 (被强调部分是:主语，宾语，表语或状语)
强调句的连接词一般只用 that ； 强调人时，可用who (主语) 或 whom (宾语).
强调句的时态一般为“It was+…+that”
强调句的一般疑问句句型：Is / Was +it +所强调的部分+that / who/ whom?
强调句的一般疑问句句型：疑问词 +所强调的部分+that / who/ whom?我是在街上遇见她的父亲的。
(强调在街上)
2. 你是8点开始工作的吗？（强调时间）
It was in the street that I met her father.Was it at eight o’clock that you began to work?Practice
3. 正是因为她病了，他们才没让她做这项工作。
4. 他为什么不能回答这个问题？
Because she was ill, they didn’t ask her to do the job.
→It was because she was ill that they didn’t ask her to do the job.Why was it that he couldn’t answer the question？（强调原因）判断是否是强调句，可把 It is / was …that 去掉，剩余部分在不增减任何词的情况下还是一个完整的句子，那么这种句子是强调句。
It was in the street that I met her father.
→In the street I met her father.
It was because she was ill that they didn’t ask her to do the job.
→Because she was ill, they didn’t ask her to do the job.
二、 not ... until ... 的强调形式: It is not until + 被强调部分 + that ... “直到……才……”，
主要用于强调时间状语的强调句型。
I didn't realize she was a famous film star until she took off her dark glasses.
→ Not until she took off her dark glasses did I realize she was a famous film star.
→ It was not until she took off her dark glasses that I realized she was a famous film star.三、 句子谓语 的强调手段：
do / does / did + 动词原形
e.g. 我的确相信他是老实人。
I do believe that he is an honest man.
他们昨天的确去看过你，但没见到你。
They did go to see you yesterday, but failed to meet you. What he wishes most is to become a pilot. 四、 What +从句+ is / was …
是名词从句结构，常用来强调主语、宾语。
e.g. 他最希望的是成为一名飞行员。
（强调宾语）
What interested me most was the beautiful scenery.
给予我们鼓励的是他为我们树立的榜样。
（强调主语）
What encouraged us was the example he set for us.
What +从句+ is / was …
使我最感兴趣的是那美丽的风景。
（强调主语）
1.It was ___ he said ____disappointed me.
A. what ; that B. that; that
C. what; what D. that; what
2. Is it in the factory _____ this type of cars are produced?
A. which B. where C. that D. / 巩固练习3. Is it the factory______ this type of cars are produced ?
A. which B. where C. that D. /
4. _____ on Monday night that all this happened?
A. Is it B. It is
C. Was it D. It was5. It was _____ the old worker came that we _____ the experiment.
until; didn’t begin
not until; began
C. until began
D. not until; didn’t begin
6. It is I ____ singing in the garden.
A. who are B. who is
C. that am D. that is7. ---Why didn’t you answer when I spoke to you in the street this morning?
---I ___ but you didn’t hear me.
did answer
B. didn’t want to answer
C. couldn’t answer
D. was too busy
8. It is in the west of China _____ there is no doubt _____it is going to rain tomorrow.
A. where; whether B. that; that
C. that; whether D. where; that 9. It was 1969___ the American astronauts succeeded in landing on the moon.
A. that B. when
C. on which D. which
10. It was the training _____ he had as a young man ____made him such a famous writer.
A. when; that B. that; when
C. that; who D. that; that强调人时，连接词可用that，也可以用who, 强调除人以外的其他部分，链接词只能用that, 而不可用when，where等。
e.g. It was my English teacher that/who I like very much.
2. 原句中的时态是一般过去时，过去进行时和过去完成时，用it was…,其他时态用it is…
e.g. It is English that professor Li teaches us.
注意事项3. 强调句的疑问句结构为：Is/Was it …that…? 否定句结构为 it isn’t /wasn’t… that…。
e.g. Is it the boy who looks after the garden?
4. 强调句的特殊疑问句结构为：疑问词+is/was +it + that /who+…?
e.g.
What is it that he wants to see?
When was it that you caught cold?
Why is it that you want to change your idea?5. 强调句不能强调谓语，当强调谓语动词时，若谓语动词为实义动词，可借助于助动词do 或 did。
e.g.
I did forget your birthday party.
我的确把你的生日聚会忘记了。
Do let me try.
务必得让我试试。Review the grammar and then finish the exercises on P29.
.The end of this period!课件43张PPT。Global warmingLanguage points
and new words4教学目标1. compared to most natural changes
过去分词在句中作状语，表被动。
=When it is compared to most natural
changes. compare V.比较，相比e.g. Compare one thing with another.
将一物与另一物比较.E.g. 1). If you compare British English with American English, you'll find many differences.
如果你将英国英语与美国英语作比较,你就会发现很多不同之处.
2). We often compare children to flowers.
我们常把儿童比作花朵。
compared with/ to与......相比(在句中常作状语)2. come about = happen/ take place
1). 发生 (不及物动词词组)E.g. How did it come about?
这事是怎么发生的?2).改变方向3)与come有关的
词组:3. there is no doubt that ...毫无疑问.....
it is no doubt that(x)用于这一句型的还有: need, possibility, chance, hopedoubt用于 / 否定句, 通常与 搭配
肯定句,通常与 搭配 that whether/ifE.g. There is no doubt he can come on time.
I doubt he can come on time.thatwhether / if4....the most important one being carbon
dioxide 最重要的是二氧化碳.此处为"独立主格结构" -----逻辑主语 + 短语
即: 名(代词) + 非谓语动词 / adj / adv / n /介词短语E.g. 1). The test finished, we begin our holidays.
= When the test was finished, we began our holidays.2)Weather permitting, we are going to visit you tomorrow.3)He came out of the library, a large book under his arm.考试结束了,我们开始放假了.如果天气允许,我们明天去看你.他夹着本大书,走出了图书馆. E.g. There are quantities of rice / rats in the room.5. quantities of 许多,大量
后接可数名词或不可数名词的复数形式. 房间里有许多大米/老鼠. a quantity of后同样接不可数名词或可数名词复数形式.但当它作主语时,谓语动词用单数.E.g. There a quantity of food.
这里有许多食物.is quantity 指"数量",与可数,不可数名词连用
number 指"数',与 名词连用
amount 指"量",与 名词连用 quality 质量
quantity数量E.g. Quality is more important than
quantity. 质量比数量更重要。可数不可数6. result in 导致,致使 (lead to)
result from 由......引起E.g. His illness resulted from eating too many peaches.
This accident resulted in three people being killed.
他的疾病是由于吃了太多的桃子所引起的.这场车祸导致了三人死亡.as a result 结果
as a result of 由于,作为......的结果
with the result of 因此EX: As is known to us all, failure usually ____
laziness while diligence can_____ success.
A. results from; lie in
B. results in; result from
C. leads to; lie in
D. results from; result in7. what to expect. 为疑问词 + 不定式结构。
可在句中作主语，宾语，表语等E.g. is unknown.
什么时候出发还不知道。
We hadn't decided .
我们还没有决定去哪里。
Tom will tell you _____________________
汤姆将告诉你坐哪一路公交车。
The question is ________________
问题是什么时候动身。When to start where to gowhich bus to take.when to leave.
【点拨】疑问词+不定式的用法
1) 用于此结构的动词有：Know ，see， decide， tell， ask， consider， discover ，explain， forget， learn， remember， wonder， understand
该结构作宾语时，它的作用相当于名词性从句。
I couldn’t decide which dictionary to buy.
=I couldn’t decide which dictionary I should buy.8. consequence 结果,后果,影响 ; 重要性n.consequent adj. 由某物引起的,随之发生的
consequently adv.所以,因而 take the consequences (of)
承担.......的后果
in consequence
因此,结果 (as a result)
in consequence of
由于......的缘故 (as a result of)___________________________________________________.你必须承担你愚蠢的行为的后果.
I had met a heavy traffic jam, and ________________ I was late for school.
我遇上一场严重的交通堵塞, 因而我上学迟到了.
I was late for school _______________ the traffic jam.
由于交通堵塞,我上学迟到了.You have to take consequences of
your stupid action in consequencein consequence of9. build up 逐步建立,增加,增进build up one's fortune 积累财富
build up one's strength养精蓄锐E.g. Traffic is building up on roads into the city.build up a big library build up a fine reputation 逐步建立起一座大图书馆 逐步赢得好的声誉.来往的车辆在通往市区的道路上越聚越多。10. keep on 继续 (continue to do sth.)The rain kept on all night.雨彻夜不停她虽然疲劳但仍然继续工作.She kept on working though she was tired. 与keep有关的词组:keep away (from) 不靠近某人/物
keep up 继续, 保持
keep up with 跟上; 与某人保持联系
keep sb. from doing sth. 阻止某人干......
keep doing 继续干 come about = happen / come to
达到, 总计为; 终于; 结果是;
come to oneself (昏迷后)苏醒 过来
come across偶然遇到或找到：
Come to your senses! 醒一醒graph ----- graphic图示的，图解的
(= graphical)
a graphic description生动的描述
E.g. They made a graph of how hot the weather was every day for a month.
他们画了一幅表示一个月内每天天气有多热的曲线图。
phenomenon ----- the phenomena of nature 自然现象fuel ---- add fuel to the fire火上加油
add fuel to the flame火上加油
fuel up填肚子, 吃喝
E.g. His insults were fuel to her hatred. 他的侮辱更加强了她的恨。
quantity ---- a quantity of一些
in (large) -ties大量地; 大批地
* amount * mass
E.g. He ate a small quantity of rice.
他吃了少量的米饭。 per ----
as per usual照常；一如既往
E.g. How much do you earn per week? 你每周挣多少钱？
data ----
evidence *information *proof
databook数据手册
data-input输入数据
E.g. The data we have collected is not enough to be convincing.
我们所收集的资料还不足以令人信服。result in ----- resultful // resultingly
由于; 因此
resultless // as a result 因此; 结果
as a result of作为......的结果; 由于……
in result结果, 因此
in the result 后果, 结果
meet with good results取得好结果
with the result that结果是, 因此, 从而
without result无效地, 毫无结果地
result from起于, 由于
E.g. The accident resulted in his death.
这一车祸造成他的死亡。catastrophe ----* accident // * disaster // catastrophic
catastrophical
catastrophically
E.g. Their English party turned out to be a catastrophe. 他们的英语晚会结局糟透了。
climate -----* weather // a mild climate温和的气候
political climate政治气候
lives in a cold climate.
住在寒冷地带consequence ----- consequently.
answer for the consequences对后果负责
as a consequence因而， 结果
face the consequences of one‘s action自食其果
in consequence 因此， 结果
in consequence of…的结果, 因为…...的缘故
take the consequences 自食其果，承担责任
E.g. As a consequence of being in hospital, Shelly decided that she wanted to become a nurse.
由于在医院的缘故，谢莉决定当一名护士。state ----
* nation * country
statewide全国范围的; 在全国范围内
statehood国家的地位
stateless无国家的, 无国籍的, 无公民权的
statement
★ state 系常用词, 指"人或物存在或所处的状态", 但不着重于"这种状态和具体原因或条件的关系", 如:He is in a good state. 他身体健康。 condition 指"由于一定的原因、条件或环境所产生的特定情况",
如: His condition will not permit him to travel. 他的情况不允许他旅游。
situation 指"多种具体情况造 成的综合状态", 常着重"这种状态的影响或和处于该状态的事物的关系",
E.g. We are in difficult situation.
我们处于困境。range ----
a wide rage of temperature气温变化很大
a range of gardening tools一套园艺工具
E.g. What is the range of your gun?
你的枪的射程有多远？
build up ----
* construct // * create //* destroy // * ruin // bodybuild体型
E.g. built up the business; building up my endurance for the marathon.
扩大企业；为跑马拉松而增强我的耐力keep on ----
kept // keep up坚持; 维持; 继续; 不低落; // keep up with跟上, 不落后; 与... 并肩前进
E.g. We will keep on trying and, if we get anything done, will notify you.
我们将继续努力，有结果将通知你。
glance ----
glance at匆匆看一下 // *stare // *look // skim
E.g. He glanced at his watch and then looked at the sky.“
他看了看手表,然后又看了看天空。"widespread ----
a widespread disease一种流行病
a widespread misunderstanding.
一种普遍的误解
decrease ----
decreasingly渐减地 // increase //
decrease 指“渐渐地减少”,
如:His temperature decreases.他的烧退了。
reduce 指“人为地减少、降低”,
E.g. reduce speed减速 on the whole ----
* complete // *entire // *total // *undivided // *part // *partial // as a whole
作为一个整体; 总的说来
in whole or [and] in part整体或部分
E.g. On the whole, a happy marriage. 总的看来，是个幸福的结合average
averagely / averageness maximum / minimum /above the average
在一般 水平以上, 中上; 在平均数以上
below the average
在一般水平以下, 中下; 在平均数以下
on the average
平均, 按平均数计算; 一般地说
E.g. What is the average rainfall for August in your country?
你们国家八月份的平均降雨量是多少?existence ----
exist // come into existence开始存在; 形成; 成立
in existence实际存在的, 现存的, 现有的
fictitious existence虚构存在
persistent existence持续生存
E.g. The elephant is the largest land animal in existence.
大象是现有的最大的陆上动物。outer ----
inner
E.g. The outer walls of the house were made of brick. 这座房子的外墙是砖的。
make a difference ----
differ // different // differently // a difference in character在性格上的差别
E.g. Young people must be taught to learn the difference between good and evil.
必须教导年青人学会区分善与恶。put up with ----
put away抛弃；舍弃：
put aside节省（钱、时间）储蓄/储存…备用
E.g. We had to put up with the inconvenience. 我们不得不忍受不便之处。
pollution ----
pollute // ocean pollution海洋污染noise pollution噪声污
nuclear pollution核污染
agricultural pollution农业污染
industrial pollution工业污染
environment pollution环境污染
global air pollution全球性大气污染electrical ----
electric 电的, 导电的, 电动的, 电气
electronic 电子的
electricity
E.g. The cooker isn't working because of an electrical fault. 这个炊具不能用了，因为出了电气方面的故障。
so long as ----
as long as
E.g. I'll stay as long as I can.
我能呆多久就呆多久and so on
and so forth等等
and then其次, 然后
and yet然而, 但
E.g. Two and two makes four.
二加二得四motor ----
engine / machine // motorist // motorable
可行驶机动车辆的
Motorless
无动力的, 无发动机的, 无马达的
Motorboat 汽船[艇]
Motorboating 乘汽艇;
E.g. Let me motor you to town.
让我用汽车送你进城。can ----
canned录音的, 储存的; 气密的, 密闭的 // canful ( n.) 一罐, 满罐
E.g. Food in cans is called canned food.
装在罐头里的食品叫罐头食品。
microwave ----
microphone扩音器, 麦克风 disagreement ----
agree // disagree with与...不相称; 与...意见不同
E.g. His conduct disagrees with his words.
他言行不一。
Hot climate disagrees with me.
热天对我不合适。
title ----
headline // roll titles滚动字幕 // credit title片头字幕, 节目前的字幕 //
E.g. A doctor has the title ‘Dr’ in front of his name. 医生的名字前有“Dr”这个称呼。nuclear ----
nuclearism核武器主义
nuclearist核武器主义者
nucleary ( adj.)
nuclear war; nuclear nations
核战争；有核国家
The end of this period!课件36张PPT。Global warmingLearning about
language4 Discovering useful words and
expressions (P28) 2.Go over the new words and phrases in the previous sections. Then complete each sentence with one of those new words or phrases.Charles Keeling collected ______
on the carbon dioxide content in the atmosphere over a forty-year period. He found that the amount of carbon dioxide _______ increasing during that time.datakept on2. Although we are burning coal in huge _________ every year, we won't ________ of it for centuries.
3. If the amount of greenhouse gases continues to _______ we could be facing a global __________ .quantitiesrun outbuild upcatastrophe4. Many scientists believe that global warming has __________ through the burning of fossil fuels.
come about5. The _____________ of a rising sea level would be widespread flooding.
6. On the whole the warming of the earth is a ____________that causes great in concern.consequencephenomenon7. The ________ shows temperature changes during the 20th century.
8. One hectare of forest can absorb 23 tons of carbon dioxide ____ year.graphper9. The washing machine uses too much energy, but_____________ we buy a more economical one, it would still use too much water.so long as10. The car accident on the main road yesterday _________ one driver’s death.
resulted in 1. Compare the two sentences below. The second sentence is from the article. Translate them into Chinese and then discuss any difference in meaning and form. Can you explain why “it” is use in the second sentence?Discovering useful structures (P29) Answer key for Exercise 1:
It was a scientist called Charles Keeling who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.Human activity has caused this global warming.
It is human activity that has caused this global warming. (They also believe) it is the burning of more and more fossil fuels that is resulting in this increase in carbon dioxide.由it引导的强调句结构：
It is (was)+被强调部分+that (who) + 句子其他部分
注意：此结构强调的成分常限于主语，宾语和状语。Explanation如：
原句：My father did the experiment in the lab yesterday evening．
强调主语：It was my father who/that did the experiment in the lab yesterday evening．强调宾语：It was the experiment that my father did in the lab yesterday evening．
强调时间：It was yesterday evening that my father did the experiment in the lab．强调地点：
It was in the lab that my father did the experiment yesterday evening．
It was in that city that we met for the first time．
It was not until he told me that I knew the truth．典型例题分析：
1) It was last night ____ I saw the film Star Wars．
A．who B．when
C．that D．which答案C 强调句的结构是：It + be + 强调部分 + that (who) +主谓句。强调句的连词只有两个，that和who。当强调的部分是人，且为句子的主语时，才用who，其余用that。2) It is ten years ____ Miss Green returned to Canada．
A．that B．when
C．since D．as
答案C 考点是连词用法。本题易误选为A 其实本句不是强调句。 若是去掉It be…that还应是一个完整的句子。而本句去掉It is…that, 只剩下ten years Miss Green returned to Canada 不成句。因此本句不是强调句。It is + 时间+since...，其中 is = has been.1. It was this village ___ I was bought.
A. where B. that
C. on which D. whichExercises2. It was in this village ___ I was bought up.
A. where B. that
C. on which D. which3. --- Was it under the tree ___ you were away talking to a friend?
--- Sure. But when I got back there, the bike was gone.
A. that B. where
C. which D. whileExercise 2: Rewrite each sentence with it is … that /who… to give more emphasis to the underlined part.1. Scientists warned that greenhouse gases would warm the earth by trapping heat energy in the atmosphere.
It is scientist who warned that greenhouse gases would warm the earth by trapping heat energy in the atmosphere.2. The greenhouse effect gives the earth’s surface the average temperature of 15℃.
It is the greenhouse effect that gives the earth’s surface the average temperature of 15℃.3. Much of the energy used to light and heat our homes comes from fossil fuels.
It is fossil fuels that much of the energy used to light and heat our homes comes from. 4. The developed countries consume the most energy in the world.
It is the developed countries that consume the most energy in the world.5. Carbon dioxide has the tendency to stay in the atmosphere for centuries while other green house gases stay in the atmosphere only for a day or less.
It is for centuries that carbon dioxide stays in the atmosphere while other greenhouse gases stay in the atmosphere only for a day or less.6. Low –lying countries feel their very existence is in danger from rising sea levels.
It is their very existence that low-lying countries feel is in danger from rising sea levels.7. Environmentalists have tried to stop the earth’s temperature rising.
It is environmentalists who have tried to stop the earth’s temperature rising. 8. Scientists want to find out about future climate changes and their effects on our environment.
It is future climate changes and their effects on our environment that scientists want to find out about.9. In the years ahead, the level of the sea could rise by several metres because of global warming.
It is by several metres that the level of the sea could rise in the years ahead because of global warming.10. In the future outer space might provide us with new energy source.
It is outer space that might provide us with new energy sources in the future.1.Review the use of “it” and
make six sentences with “it”.
2.Preview “using language”.The end of this period!课件16张PPT。Global warming4Can you tell me what we use energy for?Energy lights our cities Energy heats our buildingsEnergy entertains our buildings Make our life more convenient and comfortableWhere does all the energy come from ?petrolcoalnatural gaswater windnuclear powerbiologic energyvolcanical energysolar energyWhich energy sources you see above are renewable and which are nonrenewable?renewable:
non-renewable:wind power, solar energy ,water power coal, natural gas , petrol, nuclear power, volcanical energy, biologic energyIs there any negative effect of using energy?Air pollutionwater pollutionAn energy source is “renewable” when supplies of it never run out and “non-renewable” when one day they will run out, which energy sources on your list are renewable and which are non-renewable?light heating
television
Cassette player
video recorder
Computer
fridge
Stove
washing machine
hairdryercoaloilnatural gaswind (wind power)sun (solar energy)nonrenewablenonrenewablenonrenewablerenewablerenewablelight heating
television
Cassette player
video recorder
Computer
fridge
Stove
washing machine
hairdryeruranium
(nuclear energy)water (hydro-electric power)plant waste (biomass energy)hot springs or geysers (geothermal energy) the sea
(total energy)nonrenewablerenewablerenewablerenewablerenewable1. Recite two of the poems we learned today. You can choose ones you like.
2. Surf the internet to get more English poems.
3. Prepare the reading .
.The end of this period!课件28张PPT。Global warming41.To read the text “The earth is becoming warmer—but does it matter” and understand what it says.
2.To make students find out some useful words and expressions.Pre-reading Have you ever seen a greenhouse?DiscussionWhat do you think it would be if more and more greenhouse gases surround the earth?温室效应使50亿吨冰脱离南极Fast - readingPlease read the text quickly and then answer the following questions:What is the purpose of the first paragraph?
What are the diagrams for?
Why are there two quotes?
What is the purpose of the last paragraph of the article?What is the purpose of the first paragraph?
What are the diagrams for?
To introduce the topic.To illustrate points by providing evidence.3. Why are there two quotes?
4.What is the purpose of the last paragraph of the article?Because they are important or interesting points. Their aim is to attract your attention and to make you read them, and therefore to make you interested enough to read the whole article.It functions as a conclusion by asking the reader to reflect on the major theme of the text and to predict what might happen in the future.5. How has global warming come about?Human activityburning of fossil fuelsGreenhouse effectgreenhouse gases we need those gases from around 315 parts per million to around 370 parts per millionHuge quantities of extra carbon dioxideFrom 1957 to 1997Careful - readingRead the text carefully and choose the best answers.Which of the following is TRUE according to the text?
A . The temperature of the earth increased about one degrees Fahrenheit during the 20th century.
B . The carbon dioxide content in the air increased by 70 parts per million from 1957 to 1997.
C . All scientists accept the data in graph2 except Charles Keeling.
D . Janice Foster says that more carbon dioxide will make plants grow faster.2.Which of the following is Dr Janice Foster's opinion?
A . The result of the temperature increase will be serious.
B . The amount of warming is nothing serious.
C . We needn’t worry about high levels of carbon dioxide.
D . Global warming is a natural phenomenon.Sophie Armstrong. Earth CareI. Glance quickly at the magazine article and answer the questions:comprehendingDr. Janice Foster2. What are the names of the three
scientists mentioned in the article?Charles KeelingGeorge HambleyWhat do they think about global warming? Do they agree with one another? There are some very different attitudes among scientists towards this issue. Some think the effects will be terrible, while some others believe that we should not worry about it.4. What are the two graphs about?
The first graph shows:
The second graph shows:
the temperature increase of one
degree Hahrenheit between 1860
to 2000. the carbon dioxide content in the atmosphere from 1957 to 1997.5. What is the main topic of
the article? global warming/ the warming of the
earth.The temperature in the last century did not seem to increase much.
Everyone believes that global warming is caused by the activities of humans.
Janice foster believes that she can mean sure the future global rise in temperature.II. Read the article carefully. Are these statements true or false? 4. The rise in carbon dioxide is causing a steady increase in global warming.
5. George Hambley believes that global warming will do good rather than harm to the earth.
6. It is clear what the effects of global warming will do good rather than harm.The main idea of the passage:
Part 1(Paragraphs 1)
Part 2(Paragraphs 2-4)
Part 3(Paragraphs5-10)
Introduce a debate over the issue of global warmingIllustrate how global warming comes aboutList two different attitudes among scientists towards global warmingPart 4(Paragraphs 11)It’s up to readers to think and decide whether people should do something about global warming or not.What can we do to control the greenhouse effect?DiscussionLet us save energy
and protect
environment together.Make sentences with the useful words and expressions in the passage..The end of this period!课件19张PPT。Global warming4What can we do about global warming?Reading and discussing1.Who are the writers of the letters?Ouyang Guang and the editor of
Earth Care.2.What’s the purpose of Ouyang Guang’s letter? To get some suggestions for what he can do about global warming.Read Ouyang’s email and answer:3.What are Ouyang Guang’s two concerns? The first is that he feels that individual cannot have effect on huge environmental problems. The second is that he is not sure where to start with his project.4.Which is not the reason why Ouyang Guang writes the letter?A. He is doing a project on global warming. B. He feels individuals can affect huge environmental problems. C. He isn’t sure where to start with his project. D. He wants to get some suggestions from Earth Care.Read Earth Care’s reply and answer:5. Does Earth Care agree with Ouyang Guang’s opinion that individuals can have no effect? No, Earth Care doesn’t agree.Read the text carefully and fill in the blanks.electrical applianceheatride a bikeRecycle recycled materialsenergyPlant treesglobal warming1.Read the passage again, and list earth care’s suggestions to cut down on their use of energy.1.Turn electrical appliances off when not using them.
2.Don’t turn up the heat, put on more clothes.
3. Walk or ride a bike, don’t drive.
4. Recycle.
5. Buy things made from recycled materials.
6. Buy products that use less energy.
7. Plant trees.
8. Talk with family and friends about global warming. 2.List Earth Care’s suggestions and tell whether you think you can carry them out.3.Which is not true according to the editor’s letter?A. Together, individuals can make a difference to environmental problems. B. Individuals must put up with pollution. C. Many activities individuals do can produce carbon dioxide. D. Individuals can save energy to slow down global warming.Write a short passage to tell others how to solve the problem of global warming based on the suggestions you have collected. You can add more suggestions if you like. Fight global warming
Cut down on energy, cut down on carbon dioxide
Not using it?... Turn it off.
Don’t turn the heat up, put on a jacket.Walk or ride a bike.
Recycle.
Buy products made from recycled materials.
Buy energy-saving products.
Plant trees.
Talk about global warming.Home work: Writing an article
How to Fight Global Warming.Demands:
1.Write it according to the four topics in the dialogues. 2. Words: About 100
The end of this period!课件14张PPT。Global warming4Listen to the part1 and decide which statement Professor Chen does NOT agree with.
1. We should stop depending on fossil fuels for our energy.
2. 90% of the world's energy comes from fossil fuels.
3. We can replace fossil fuels with
renewable sources of energy.
4. Nuclear power is a good source of energy.
Listen to Part 1 again and tick the energy sources that are mentioned. Complete the notes on them after class.Listen to Part 2 again and fill in the blanks.LI BIN: …What about _______ ? They don’t down on their use of__________.
KEELING: No, they don’t. however, that is a ________ we must work on as a _____ community. factoriesenergyproblemglobalThat means _________and ________ countries will have to work together.
LI BIN: But it’s not the ___________ countries that put most of the carbon _______into the air. The developed countries are really the ones to _________.developeddevelopingdevelopingdioxideblame AGREEMENT Exactly.
That’s true.
You’re right.
That’s right.
That’s correct.
I agree. DISAGREEMENT
I’m afraid I disagree with you.
I’m afraid not.
No, I don’t agree.
I don’t think so.
No way.
I doubt… Now read again what Professor Keeling and Li Bin say. Then in groups discuss who you agree with and give reasons. Use some of the phrase listed below or any others you know.
For exampleHeal the world
Mike and Mary are talking about some ways to save our planet.
Mike: Have you heard the song “Heal the world”?
Mary: Yes, I think the song carries a very important message to us, it’s time to save our planet.
Mike: You’re right. It’s clear that we’re now facing a lot of environmental problems.Mary: That’s true, and if nothing is done abut these problems, it may be impossible for life to continue on the earth.
Mike: Do you think that there is a better way to live our life without damaging the earth?
Marry: Yes. I think it would be better if we all started to behave in a more environmentally friendly way.
Mike: Absolutely. I can’t imagine what will happen in the future if we don’t behave more responsibly.Mary: Yeah, everyone should take responsibility for the planet, and start changing the way we live.
Mike: Exactly. Let’s begin turning our air conditioners down right now.
Mary: Good idea. Every little helps!
Mike : We must make sure that we all do our bit to “heal the world”!
Marry: You’re right.
1. Make up a dialogue to express our own points.
2. Act out the dialogue with your friends.
.The end of this period!
