Bài giảng Tiếng Anh 11 - Unit 6: Global warming

Unit 6. GLOBAL WARMINGGETTING STARTEDgreenhouse garclimate changeemissioncarbon footprintglobal warminginfectious diseasesecological balanceheat-related illness1.Ms Hoa, an English teacher, is helping a group of students in her class to prepare for their presentation. Listen and read.-globe (n)-global (a)-outline (n)-emit (v)-emission (n)-fertiliser (n)-fertile (a)-fertilize (v)-deforestation (n)-infectious (a)-relate (v)2.Answer the questions1.It is global warming.2.They intend to include three parts: 1)the causes, 2)the effects, 3)the solutions.3.Greenhouse gas emissions from factories and vehicles; use of chemical fertilizers, and deforestation.4.Climate change allows for infectious diseases to spread more easily; contributes to heat-related illnesses and death; has severe impact on water supplies, threatens food production and upsets ecological balance.5.They should change their daily habits.6. 3.Match the words and phrases with their definitions1.c2.g3.d4.b5.a6.e7.h8.f4.Find the sentences with the structure having+ past participle -In the past , a lot of industries denied having contributed to global warming.-Having treated the environment irresponsibly, humans now have to suffer the effects of global warming.-Having planned the content, we’re now looking for supporting information.UNIT 6: LANGUAGEVocabularyComplete the sentences with the right form of the words from 3 in GETTING STARTEDclimate change / heat-related illnesses/ infectious diseases/ carbon footprint/ emissions/ ecological balance A large amount of carbon dioxide ..are released into the atmosphere by burning fossil fuels.2. Scientists have warned about the relationship between climate change and the spread of 3. Deforestation is one of the biggest environmental threats to the ..	in the world.4. As global temperatures rise, there are more cases of .5. Although global warming is causing changes in weather patterns, it is only one aspect of ..6. Having measured the company's ..,they realised that the amount of carbon dioxide (C02) it produced was great.PRONUNCIATIONIntonation on yes-no questions and echo questions1.Listen and repeat these questions, paying attention to their raising intonation.Do you agree with me?Can you talk about the effects of global warming?Do you think that we can reduce our carbon footprint?Is it true that global warming is getting worse?Are most of the environmental problems caused by humans?2.Listen and mark (raising intonation) on the echo questions.1. A: Most of the environmental problems are man-made. B: Man-made?2.	A: Scientists are concerned about the effects of global warming. B: Scientists are concerned about what?3. A: I cycle to work every day. B: You do?4. A: By 2050, rising temperatures could lead to the extinction of a million species. B: The extinction of a million species?5.	A: In order to save our environment, we should reduce our use of paper products. B: We should do what?GRAMMARPerfect participles in clauses of time and reason1.Underline the perfect participles in the sentences in 4 in GETTING STARTED. Then write the sentences, using after/ then or because/ since-Having planned the content, we’re now looking for supporting information.→After we have planned the content, we’re now looking for supporting information.2. -Having treated the environment irresponsibly, humans now have to suffer.→Because/ Since humans have treated the environment irresponsibly, humans now have to suffer.2.Match the two parts to make complete sentences.1.e2.c3.a4.b5.g6.h7.f8.d1.e After we identified the causes of global warming, we worked out some solutions to reduce its effects.2.c Since they have used up the fossil fuel resources in their country, they have to find some types of alternative energy.3.a Because local people have cut down the forests to make way for farming, now local people have to suffer severe floods.4.b After we read the report on how the burning of petrol in cars contributes to climate change, we decided to sell our car and get a bicycle instead.5.g Because farmers had been informed about the bad effects of chemical fertilizers, the farmers started using them sparingly on their farms.Rewrite the sentences, using perfect participles.1.e Having identified the causes of global warming, we worked out some solutions to reduce its effects.2.c Having used up the fossil fuel resources in their country, they have to find some types of alternative energy.3.a Having cut down the forests to make way for farming, now local people have to suffer severe floods.4.b Having read the report on how the burning of petrol in cars contributes to climate change, we decided to sell our car and get a bicycle instead.5.g Having been informed about the bad effects of chemical fertilizers, the farmers started using them sparingly on their farms.PERFECT GERUNDSCombine the sentences, using perfect gerundsExample: Someone had started a fire in the forest.Tom admitted that he had done it.=> Tom admitted (to) having started a fire in the forest.In the Tree Planting Competition, the students in Group 11G planted the most trees in the schoolyard. They were praised for that.Someone had cut down the oldest tree in the park. The police suspected Mike of doing it.He had dumped lots of rubbish onto the beach. He denied it.You had saved the lives of hundreds of wild animals. Thank you for that.They had hunted and killed many wild animals. Later they regretted what they had done.The factory had dumped tons of toxic waste into the river. It was heavily fined for that.Denis had taken an active part in the Green Summer activities. He was rewarded for that.PERFECT GERUNDSCombine the sentences, using perfect gerunds1.The students in Group 11G were praised for having planted the most trees in the schoolyard in the Tree Planting Competition.2.The police suspected Mike of having cut down the oldest tree in the park.3. He denied having dumped lots of rubbish onto the beach.4.Thank you for having saved the lives of hundreds of wild animals.5.They regretted having hunted and killed many wild animals.6.The factory was heavily fined for having dumped tons of toxic waste into the river.7.Denis was rewarded for having taken an active part in the Green Summer activities.