Bài tập ôn tập Tiếng Anh Lớp 11 - Unit 6: Global warming

Nội dung text: Bài tập ôn tập Tiếng Anh Lớp 11 - Unit 6: Global warming

1. Unit 6 GLOBAL WARMING A. PRONUNCIATION Choose the word that has a different stress pattern from the other three by circling A, B, C, or D. 1. A. global B. petrol C. product D. resource 2. A. amount B. duty C. perfect D. warming 3. A. absorb B. diverse C. reduce D. teacher 4. A. architect B. beautiful C. factory D. pollution 5. A. analyze B. educate C. emission D. natural 6. A. dioxide B. effective C. relation D. solution 7. A. excessive B. extinction C. practical D. surrounding 8. A. awareness B. billion C. protection D. society 9. A. catastrophe B. contribution C. diversity D. phenomenon 10. A. community B. environment C. responsible D. understanding B. VOCABULARY & GRAMMAR Ex1. Fill in the missing words from the word bank. You may have to change the form global warming water pollution chemical fertilizers ecological balance deforestation emission Catastrophic greenhouse gas climate change carbon footprint 1. We are all beginning to experience due to the enhanced greenhouse effect. 2. Global warming occurs when the in the atmosphere trap the heat from the sun. 3.from factories is one of the reasons causing serious pollution to a large area. 4.throughout the world can be problem for people and living organisms in need of safe drinking water. 5. Some people try to reduce their because they are concerned about climate change. 6.has been shown to cause floods and drought. 7. Everyone would like to avoid natural disasters at all cost. 8. Certain human activities such as burning of fossil fuels and changes in land use have been identified as primary causes of ongoing , often referred to as global warming. 9. The environmentalist stressed on cultivation of herbal plants and protection of wild life for 10.may result in fruits and vegetables with lower nutritional value and less flavor. Ex2. Complete the following passage, using the correct form of the words in brackets. Global warming is one of the big environmental problems in current time. According to the researchers, heating impact, caused by excessive (1.EMIT) of greenhouse gases, is the main reason of global warming. It is very dangerous and harmful to the (2.EXIST) of life in future on the earth. Because of global warming, sea level is increasing regularly which is creating the fear of flood in lower lying (3.COAST) areas and cities. Because of flood some countries may finish (4.COMPLETE) in the near future. It is changing the weather patterns regularly; due to this some places on earth are facing severe droughts, flood, and various (5.COMMON) weather conditions. Carbon dioxide is one of the main greenhouse gases, the (6.INCREASE) amount
2. A. holding B. having held C. being held 17. Lim made a big mistake at the office but his manager didn't expel him. He's lucky an opportunity to fix it. A. to have been given B. to having given C. to having been given 18. Having of wood, the house was fire risk. A. being been built B. been built C. being built. 19.him as the poor, I often bring old clothes to him. A. Being known B. Knowing C. Having been known 20. The manager admits in the scandal. A. to be involved B. having involved C. having been involved C. READING PART 1. Read the text and answer the questions below. Carbon footprint The carbon footprint shows how much carbon dioxide and other greenhouse gases a person produces in everyday life. It measures the amount of fossil fuels and electricity someone uses up as well as the carbon footprint of the products they buy. When we use our cars or heat our homes with oil or natural gas, carbon dioxide and various other gases are set free. These emissions lead to a denser atmosphere and global warming. You can measure your carbon footprint by using a calculator that you can find on various websites. It shows you in which way your living habits damage the environment. The carbon footprint usually measured in tons of CO2 per year. In America for example, every citizen produces about 28 tons of carbon dioxide and other dangerous gases a year, in Great Britain the amount is about 10 tons. How to reduce your carbon footprint There are many actions you can take to reduce your carbon footprint. The way we travel, for example, has a major impact on our environment. Use your bike or walk for short distances. Public transport is a way of getting to places without putting a burden on the environment. If you use your car see to it that it is maintained correctly and that it does not burn more fuel than it should. Buying local food is also a way of curbing emissions into the atmosphere. Many environmental experts, however, argue that it often saves energy to buy food that is produced naturally in faraway places than consuming food grown locally in greenhouse. In your home you can contribute to saving energy by turning off lights if you don't need them or by avoiding the use of air conditioners, which contribute a lot to global warming and emit CFCs that destroy the ozone layer. Electrical appliances can save energy if you set them to standby mode. Recycling plastic, glass and paper can also reduce your carbon footprint drastically. It is also vital to persuade others to take the same steps that you do. Only if we concentrate on reducing carbon emissions together can we hope to make our environment better. (Text adapted from online.at/environment/carbon-footprint/reducing-carbon-footprint.htm)
3. PART 2. Read the passage and choose the correct answer (A, B or C) to each of the following questions. Deforestation is considered to be one of the contributing factors to global climate change. According to Michael Daley, associate professor of environmental science at Lasell College in Newton, Massachusetts, the No.1 problem caused by deforestation is the impact on the global carbon cycle. Gas molecules that absorb thermal infrared radiation are called greenhouse gases. If greenhouse gases are in large enough quantity, they can force climate change, according to Daley. While oxygen (O2) is the second most abundant gas in our atmosphere, it does not absorb thermal infrared radiation, as greenhouse gases do. Carbon dioxide (CO2) is the most prevalent greenhouse gas. In 2012, CO2 accounted for about 82 percent of all U.S. greenhouse gas, according to the Environmental Protection Agency. Trees can help, though. 300 billion tons of carbon, 40 times the annual greenhouse gas emissions from fossil fuels, is stored in trees, according to Greenpeace. The deforestation of trees not only lessens the amount of carbon stored, it also releases carbon dioxide into the air. This is because when trees die, they release the stored carbon. According to the 2010 Global Forest Resources Assessment, deforestation releases nearly a billion tons of carbon into the atmosphere per year, though the numbers are not as high as the ones recorded in the previous decade. Deforestation is the second largest human-caused source of carbon dioxide to the atmosphere, ranging between 6 percent and 17 percent. Carbon isn't the only greenhouse gas that is affected by deforestation. Water vapor is also considered a greenhouse gas. “The impact of deforestation on the exchange of water vapor and carbon dioxide between the atmosphere and the terrestrial land surface is the biggest concern with regard to the climate system,” said Daley. Changes in their atmospheric concentration will have a direct effect on climate. Deforestation has decreased global vapor flows from land by 4 percent, according to a study published by the National Academy of Sciences. Even this slight change in vapor flows can disrupt natural weather patterns and change current climate models. (Text adapted from 1. What would be the best title for the passage? A. Deforestation and greenhouse effects. B. Deforestation and global vapor. C. Deforestation and climate change. 2. According to the passage, what is the major impact of deforestation? A. global climate change. B. the problem of global carbon cycle. C. change in vapor flows. 3. Greenhouse gases are formed by . A. the absorption of thermal infrared radiation. B. the absorption of carbon dioxide. C. the consumption of fossil fuels. 4. Which of the following refuses to absorb thermal infrared radiation? A. Carbon dioxide B. Greenhouse gases C. Oxygen 5. What does the pronoun it in the second paragraph refer to? A. the annual greenhouse gas B. the deforestation of trees C. the amount of carbon stored
4. 5. There / clearly / the atmospheric / many lines of / which /is / evidence / CO2 increase / show that / caused / humans / are / by /. 6. Human / absorbing / carbon dioxide/ beings/emitting/ in/ faster/ atmosphere,/ more/ rates/ the oceans/ plants/ and/ are / the / of / than / the /. 7. Global warming/ colder areas/ causing/ hotter,/ of the world/ been/ become/ thereby/ vulnerable/ becoming/ to diseases/ more / has / the / to /. 8. Droughts/ negative/ hurricanes/ some/ global warming/ wildfires/ extinction on endangered species/ storms/ phenomenon/ impacts/ of / and /the / are / of /. 9. Human influence/ been/ problem/ take care/ because/ has / serious/ humans / of/ not/ the earth / a / do /now/. 10. Scientists / the oceans /changing /ability / closely / over time / watching / to see / carbon dioxide / to absorb / if / are / their / is. Ex 2. Rewrite each sentence, using perfect gerunds or perfect participles, so that the meaning stays the same. 1. She enjoyed the interesting atmosphere of the party and forgot the time to go home. 2. Someone stole the valuable picture, and Jason was accused of doing that. 3. Jane couldn't attend the party last night so she felt regret. ___ 4. Since he was always willing to help people, they considered him a helper. ___ 5. Emily had drunk too much to remember the way to her home. 6. People's lives are impacted seriously by the global warming because it has occurred in every part of the