课件20张PPT。Warm upEnvironmental ProtectionObjectives At the end of this lesson, you’ll be able to summarize each paragraph with the
help of pictures
get detailed information of the text
increase the awareness of
protecting the earth
overfishing natural
disaster pollution
Environmental
problemsBrain stormglobal
warming povertyforest
destruction
endangered
animals
wars1.Earthquakes and volcanic eruptions are examples of natural disasters .
2.The giant panda and the Bengal tiger are endangered species .
3.Because of the greenhouse effect , the earth is warmed by gases trapped in the atmosphere.AnswersComplete the sentences4. Global warming is an increase over time of the average temperature of the Earth.
5. Overfishing is harmful to the ecology of the sea.
6.Thousands of people in Africa continue to die because of war and poverty .
7.The water level rose so high…that many homes are at risk from flooding .生态Complete the sentencesListen to a news report1. The news reporter is working in Aus.
2. The news report is about breweries.
3. Breweries are often built in nature
reserves.
4. The government officials were corrupt.
5. There are endangered birds in Aus.
6. Jim is now working in conservation.啤酒厂自然保护区腐败自然资源保护FFF
TTTGlobal WarmingReading What is global warming?What is global warming?Global warming means
an average increase in the Earth’s temperature which leads to climate change.The earth is having a fever.Can we take the heat?Lead inRead & match the headings Draw readers’ attention
What we can do
What is global warming.
Consequences of global warming.
Causes of global warming1
5
2
4
3Drawing your attentionThe greenhouse effectCauses of global warmingvehiclesfactoriesburning of the fuelsConsequences of global warmingWhat we can dopublic transportlow-flow shower headenergy-saving light bulbsrecycled paperswitch off…
changes in the Earth’s climateglobal warmingenvironmental problemsan average increaselead toCheck your notes
be pinned on human activitiesin such huge quantitiesdisastersreduce the amount of carbon dioxideplay his partWhat is controlling the temperature of the Earth?
Are greenhouse gases necessary for life on Earth?
By how much has the global average temperature increased in the last 100 years?
How can we help solve the problem of global warming?Read and answer Homework Read the text and do Ex5,6 on your handouts课件21张PPT。Global WarmingReading Objectives At the end of this lesson, you’ll be able to say something about the text based
on your notes
understand and use some new
words and useful expressions
voice your opinion on the topicCheck your homeworkGlobal warming means an average increase in the Earth’s temperature which causes climate change in turn. Scientists think it is ______ ______ that cause global warming, especially gases from ________ and vehicles which speed up global warming. …factorieshumanbeingsThe Earth’s temperature is controlled by _______________ like carbon dioxide which ______ heat from the sun in the Earth’s atmosphere. Many experts believe global warming is mainly caused by human ________. greenhouse gases trapCheck your homeworkactivitiesOver the last 100 years , the global average temperature has increased ______ and if humans continue to pump _____________ gases into the Earth’s atmosphere, the global warming will cause terrible climate changes like more frequent floods, _________ and… by 1℉ greenhouseheat waves Check your homeworkThere are some serious diseases. Sea level will be ______, floating coastal area , negatively affecting ______ and forestry.
So governments all over the world should reduce the _______ of greenhouse gases. We individuals should pay _________ to what weraisedfishingreleaseCheck your homeworkare doing, evenattentionare doing, even small changes like ______ public transport, ________, using low-flow ____________, buying energy-saving __________ using recycled paper or ____________ lights can have __________ on the future of the Earth .taking recyclingshower heads light bulbsswitching off great effect Check your homework In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the earth’s climate.Word study general agreement among a group.agreement Without these naturally occurring gases, the sun’s rays would bounce back into space leaving the Earth cold and impossible to live on.Word studyhit the surface and is reflected back.jump Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.
Word study two or more related events occur at the same time by chance巧合 Word study if we continue to produce carbon dioxide and other gases in such huge quantities, we are condemning life on Earth.to give sb. a severe punishmentdestroy The USA’s federal government, express reservations about whether global warming is really caused by human activities.
Word studybeing not sure that it is entirely right.保留意见 Many people believe that they are simply not prepared to sacrifice the amount of money they make from industry to save the earth.Word study to give sth. up for other peoplegive upWhy wait around for government
to take action? Experts advocated
that each person play their part to
save the earth.Word study to recommend sth. publicly. suggestPronunciation consensus n.
coincidence n.
reservation n.
bounce v.
condemn v.
sacrifice v.
advocate v.一致意见
巧合
保留
反弹
注定毁灭
牺牲
提倡beyond our control
pump into
speed up
refer to
trap…into…
bounce back
as a result of
lead to1.out of our control
2.pipe into
3.accelerate
4.means
5. put in the trap
6.send back
7.because of
8.result inUseful expressions9. be relevant to
10.in… quantities
11. have a
responsibility to do
12. in turn
13. switch off
14.take action 9. be related to
10.within large amount
11.be responsible for
12.one after the other
13.turn off
14.take measuresUseful expressionsVocabulary 1. pumped into
2. speed up
3. beyond our control
4. As a result of
5. referred to
6. in large quantitiesAnswersNot just for fun Voice your opinionWhat will you do to every day to help reduce greenhouse gases?Homework Listen to the tape and
read the text
2. P53--5 课件27张PPT。Grammar Global WarmingObjectives At the end of this lesson, you’ll be able to ?understand the structures of
reporting .
? report short dialogues using
reporting verbs A terrible earthquake happened at 2:00 this afternoon in Sichun.What
happened?It was reported that
a terrible earthquake had happened in Sichun.Examples of reportingExamples of reportingI am paid too little!Any problems?He complained that he was paid too little.It was reported that a terrible earth-quake had happened in Sichun.He complained that he was paid too little. … reported that…
… complained that…Structure 1用于这种结构的常见动词：
admit, agree, believe, claim,
complain, declare, explain,
insist, suggest, warn, remind, ….Summary 1Verb + that:
动词 + that (即：that 引导的宾语从句)Practice 1Report the following sentences. Joe: The wave almost crashed my car.
(said)
2. Rosy: I really want to be a doctor.
(admitted)
3. Ann: I had nothing to do with the problem.
(clamed)
Examples of reportingCan I leave early?Susan asked if she could leave early.Examples of reportingWhen did you start dancing?He inquired when she had started dancing. … asked if /whether…
… inquired when …Structure 2Susan asked if she could leave early.He inquired when she had started dancing.用于这种结构的常见动词：
ask, wonder, inquire, doubt,
want to know, don’t know….Summary 2Verb + if / whether / wh- :
动词 + 含有疑问意义的引导词Practice 2Report the following sentences. Joe: what happened?
(asked)
2. Rosy: Is it possible to see the patient?
(wondered)
3. Ann: How long has the baby been asleep?
(wanted to know)
Examples of reportingHe advised the new comer to make a plan in advance.You’d better make a plan in advance.Examples of reportingLinda told his brother not to be afraid.Don’t be afraid … advise sb. to do…
… told sb. to do…Structure 3He advised the new comer to make a plan in advance.Linda told his brother not to be afraid.用于这种结构的常见动词：
ask, tell, order, promise,
beg，warn， invite，advise
forbid …Summary 3Verb + sb. + to do
动词 + 人称+ 不定式 (简单句)Practice 3Report the following sentences. Joe: Mum, could you buy me the shoes?
(asked, begged)
2. Rosy: Do come to my party, Nancy.
(invited)
3. Ann: I won’t do that again, dad.
(promised)
Choose and reportforbid , invite, order1. Why don’t you drop in tonight?
2. Stand up immediately!
3. You can’t use your dictionaries during the test.
They invited me to drop in tonight.She ordered me to stand up immediately. He forbade us to use our
dictionaries during the test.to do or doingThey offer to protect Tibetan antelopes.We volunteer to protect Tibetan antelopes here.Hingis denied using drugs.I never use drugsto do or doingagree
offer
refuse
threaten
…Summary 4Verb + to do Verb + doing用于这种结构的常见动词：admit
deny
suggest
…Practice 4Report the following sentences. Joe: Ok, we can cut down the price.
(agree)
2. Jim: I think we should consult the lawyer.
(suggest)
Report the following sentences.1.Lily: We’d better go for a walk. (suggested)
2.Sue: I didn’t cheat at exams. (denied)
3. Rose: Shall we have a cup of tea? (suggested)Lily suggested going for a walk.Susan denied cheating at exams.Rose suggested having/that we should have a cup of tea.More practice P52-Report the dialoguesagree, complain, suggest, insist Bill complained that he was fed up with washing-up and suggested buying a dishwasher. Claire agreed but insisted that the washing-up would still be his job.Dialogue 1P52-Report the dialoguesDialogue 2advise, wonder, admit, explain Tina wondered why Jill always wore black. Jill explained that she thought it suited her but she admitted that it might look a bit dull. Tina advised her to wear brighter colors.P52-Report the dialoguesDialogue 3David begged Chris to help him revise for his biology test. Chris refused to do it that day but offered to help him the following day. He warned David not to expect him to know everything.refuse, beg, warn, offer Homework P52—Ex. 1
