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1. Here are some answers. What are the questions?
Example: Q: What forms a blanket around the planet?____________________
A: The by-products of fossil fuel use - carbon dioxide, methane and other greenhouse gases.
a) Q: ________________________________________________________?
The melting of glaciers, warming of oceans, heavy rainfalls and droughts.
b) Q: ___________________________________________________________?
Volcanic eruptions, El Niño and small changes in sun’s activity
c) Q: ________________________________________________________?
Human-made greenhouse gases.
d) Q: ________________________________________________________?
For as long as 200 years.
e) Q: __________________________________________________________?
Through photosynthesis.
f) Q: ________________________________________________________?
Significant warming in the next century.
g) Q: ________________________________________________________?
Lack of water and nutrients.
Focus on language
1. Read the sentences and study the models in the box.
§ Acid rain is strongly acidic rain that …
§ Soil naturally contains many metallic ions …
§ We need to act now if we want to avoid the increasingly dangerous consequences of climate change in the future.
Adverb Collocations
Adverbs often go with certain verbs and adjectives. Look at the examples below:
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Practice
1. Complete the sentences with an adverb from the box.
perfectly clearly badly fully desperately efficiently environmentally-friendly definitely extremely commonly highly |
a) The possible impacts of climate change are more ………. understood now.
b) Cotton production will be ………. affected by droughts.
c) There is ………. something wrong with this thermometer, it can’t be that hot!
d) Animals ………. need protection.
e) We are ………. informed about the consequences of global warming.
f) I work with a ………. -motivated team of researchers.
g) People should buy ………. products.
h) Nuclear power plants produce ……… large amounts of electricity.
i) Today, our most ………. used fuels are oil, gas and coal.
2. Make up 3-5 sentences of your own using the adverb collocations from the grammar box.
Get real |
Search the Internet, specialized magazines or talk to the experts who work in your university to get comprehensive and reliable information about one of the environmental problems in your country or the region you live in. Summarize the information you have collected and report back to the class. Follow the guidelines:
§ State the problem briefly but clearly
§ Describe the problem in detail
§ Give examples of causes and effects of the problem you have chosen from your personal experience.
Speaking |
Work in groups of 3-4 and discuss what actions as individuals you can take to help to solve the environmental problems listed below. Brainstorm solutions to some national or local problems. Use the phrases from the Tool box. Share your solutions with the rest of the class.
What can be done … a) to control the cutting down of forests?
b) to clean up the beaches?
c) to reduce air pollution?
d) to save rare animals and plants?
e) to slow down global warming?
f) to stop the spread of droughts?
Tool box: Making suggestions Well, one thing to do is… Another thing to be done is … Another way to help is… If we don’t do …, we will (won’t) … It would be great to … We should … We’d better(do sth.)… |
Writing |
A big petroleum company has announced that it wishes to build a plant for refining petroleum products in an area of countryside near your city. The plans have divided the community into three groups:
Greens:
You regard the chosen site as an area of outstanding natural beauty which should not be harmed in any way. You oppose any construction on the site.
Enthusiasts:
You welcome the economic benefits that the new plant will bring and aim to provide technological and financial support which will help the refinery to reduce its impact on the environment.
Regulators:
You would like to strengthen the rules on pollution and increase the fines on companies that release pollutants.
1. Which group do you associate yourself with?
2. Write a letter to the local authorities of your own city giving your opinion on this problem and saying which suggestions you agree or disagree with. Follow the model.
Your address and the date | 6345 Willow Avenue Baltimore, Mariland 21220 4 November 2008 |
Name and address of the company/person you are writing to | Mr. Charles H.C. Wright City Hall Special Projects Officer 19 Harbor Place Baltimore, Mariland 21220 |
Salutation If you know the name of the person, put it: Dear M. Wright Dear M. Wright Dear Mr. Wright If not, put: Dear Sir(s), Madam The body of the letter Paragraph 1. The introduction · Say who you are · Say why you are writing Paragraph 2. The message · Say which suggestions you agree or disagree with · Give your reasons Paragraph 3. The conclusion · Make any different suggestions of your own If you start: Dear Sir, Finish: Yours faithfully If you start: Dear Mr Wright Finish: Yours sincerely | Dear Mr Wright, I am writing to express my concern about..._____________________ _________________________________________________________ _________________________________________________________ I strongly disagree with...____________________________________ _________________________________________________________ _________________________________________________________ In my opinion....___________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ I hope you..._______________________________________________ _________________________________________________________ _________________________________________________________ Thank you for your attention to this matter.______________________ Yours sincerely, Janette Grayston |
3. Work in pairs. Exchange your letters and read them. Is the language, used by your fellow student, appropriate for a formal letter? Are his/her ideas and viewpoints clear? Make any suggestions for improvements.
In the Realm of Science |
1. Practice reading these compounds and chemical reactions.
H2O | [‘eitʃ ‘tu: ou] | |
HNO3 | [‘etʃ ‘en ‘ou ‘Θri] | |
NOx | [‘en ‘ou ‘eks] | |
SO2 | [‘es ‘ou ‘tu:] | |
C + O→CO2 | [si:plus ou tu: give si: out u:] | · C plus O two give CO2 |
· 1 atom of carbon reacts with 1 two-atom molecule of oxygen and produces 1 molecule of carbon dioxide |
2. Now take turns to read and note down the following compounds and chemical reactions.
Student A: | H2CO3 | P2O5 | Na2O | CaCo3 | H2SO4 | K3Po3 | HgO |
Student B: | H2SO4 | H3PO4 | MgO | ZnSO4 | NaCL | CuO | NaNO2 |
2Mg+O2 → 2Mg0
CaO+H2O → Ca(OH)2
2CO+O2 → 2CO2
NaCl + AgNO3 → NaNO3 + AgCl
3. Learn the pronunciation and the meaning of the chemical elements.
Ag | [α:ʹʤentәm] | argentum | N | [ʹnaitriʤәn] | nitrogen |
Al | [ˏæljuʹminjәm] | aluminium | Na | [ʹsoudjәm] | sodium |
Br | [ʹbroumi:n] | bromine | Ni | [ʹnikl] | nickel |
C | [ʹkα:bәn] | carbon | O | [ʹɔksiʤәn] | oxygen |
Cl | [ʹklɔ:ri:n] | chlorine | P | [ʹfɔsfәrәs] | phosphorous |
Co | [kәʹbɔ:lt] | cobalt | Pb | [led] | lead |
Cs | [ʹsi:zjәm] | caesium | Pu | [plu:ʹtounjәm] | plutonium |
Cu | [ʹkɔpә] | copper | Ra | [ʹreidjәm] | radium |
H | [ʹhaidriʤәn] | hydrogen | S | [ʹsʌlfә] | sulfur |
Hg | [haiʹdrα:ʤirәm] [ʹmә:kjuri] | hydrargyrum mercury | Si | [ʹsilikәn] | silicon |
Ti | [tiʹteinjәm] | titanium | |||
I | [ʹaiәdi:n] | iodine | U | [juәʹreinjәn] | uranium |
Li | [ʹliϴiәm] | lithium | Xe | [ʹzenɔn] | xenon |
Mo | [mɔʹlibdinәm] | molybdenum | Zn | [ziŋk] | zinc |
Unit 1. Progress Monitoring
In this unit you have worked on the following vocabulary related to the topic “Environment”
Tick (V) the points you are confident about and cross (X) the ones you need to revise. |
Unit 2 CleanTech = GreenTech
Lead In |
1. What kind of environmental problems has the computer era already brought about? Make a list of problems and discuss them with the rest of the class.
2. Look at the picture and make suggestions on what the manufacture of one PC requires. Comment on the environmental hazards of this process.
Reading |
1. Read the text. Check if your predictions of the possible environmental hazards correspond to the information from the text.
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Comprehension check | | | Environmental Hazards of the Computer Revolution |