Title UNIT 2.docx ✅

UNIT 2. HUMANS AND THE ENVIRONMENT A. PRONUNCIATION I. Fill in the blanks with gr, cl, pl, or pr to complete the words. 1. The air _____ ane disappeared behind the _____ oud. 2. It was _____ etty dangerous _____ imbing down the _____ iff. 3. The _____ ants _____ ow wild along the banks of rivers. 4. His _____ an is to get a de _____ ee in economics and then work abroad. 5. The _____ o _____ amme was ap _____ oved at a _____ enary session of the committee. 6. Oil can be _____ ocessed into many different _____ _oducts, in _____ uding _____ astics. 7. He _____ eatly de _____ ined to make _____ ojections about the next year’s _____ ofits. 8. Tourism has re _____ aced a _____ iculture as the nation’s main industry. 9. The mountains form a back _____ ound to this photo _____ aph of the family. 10. Sources of _____ eenhouse gases contribute much to _____ imate change. II. Put the words having the consonant blends /gr/, /kl/, /pl/, or /pr/ from part I in the correct columns. /gr/ /kl/ /pl/ /pr/ I. Complete the sentences with the words in the box. household appliances energy cut down on organic litter carbon footprint lifestyle natural resources sustainable eco- friendly 1. Before our modern age, people had a more physical and active _________ . 2. All countries are being asked to _________ their use of non-renewable resources. 3. Is it true that people who drop _________ can be heavily fined in many cities? 4. Most _________ such as washing machines and dishwashers are driving up your electricity bill. 5. To reduce your _________ , you’ll need to reduce the amount of energy you use. 6. _________ food is unadulterated food produced without artificial chemicals or pesticides. 7. Their new car model is designed to be _________ and economical by using a diesel- electric hybrid engine. 8. _________ development is a way of organizing society so that it can exist in the long term.
9. If we continue to deplete the Earth’s _________ , we will cause serious damage to the environment. 10. Across the world, major companies and countries are turning to renewable sources of _________ such as wind and solar. II. Choose the correct option to complete the sentences. 1. The teacher asked us to (drop/ pick up) rubbish during the break time. 2. One of the reasons why I grow trees is that they can supply (fresh/ raw) air for me. 3. A (greener/ shorter) shower saves a lot of water and the energy needed to heat the water. 4. I refuse to buy goods that are overpackaged because I feel it is (harmful/ harmless) to the environment. 5. Avoiding waste by cutting the number of items that are produced and thrown away can (take/ make) a big difference for nature. 6. We use (natural/ manmade) materials such as organic cotton, linen, and bamboo to produce handbags. 7. Helping to alleviate poverty in developing countries also helps to (reduce/ raise) environmental destruction. 8. Manufacturers offer incentives for safe return of batteries so that they can (produce/ recycle) or dispose of them safely. 9. They arranged for (personal/ public) transportation to shuttle students to campus from the city bus stations. 10. (Household/ Industrial) waste refers to waste material usually generated in the residential environment. III. Choose the best answer to complete the sentences. 1. The park is ______ because many people drop litter on the paths. A. clean B. green C. dirty D. fresh 2. ______ the lights when you leave your room is necessary to help save electricity. A. Turning off B. Cleaning up C. Cutting down D. Setting up 3. A clean and carbon-free energy mix ensures that their city will remain a healthy and ______ place to live. A. beautiful B. dangerous C. polluted D. harmful 4. In one year a mature tree can absorb more than 21 kilograms of ______ from the atmosphere. A. carbon footprint B. carbon dioxide C. gas D. air 5. Cars are useful, but their ______ on the environment is another matter altogether. A. protection B. donation C. improvement D. impact 6. ______ energy is produced from sources like the sun and wind that never run out. A. Sustainable B. Natural C. Eco-friendly D. Renewable 7. We can improve the environment in our school and at home in many ______. A. roads B. ways C. streets D. paths 8. Today police launched a campaign to ______ road accidents in the province.
A. reduce B. reuse C. renew D. recycle 9. Since 1970 the global average ______ has been rising at a rate of 1.7°C per century. A. climate B. warmth C. temperature D. heat 10. Petroleum pollution brings a great danger to ocean fishery resource, ______ the natural structure of soil and affects the ecological balance. A. develops B. destroys C. grows D. increases IV. Supply the correct form of the word in the brackets. 1. We need to stop adding plastic to landfills today by purchasing _________ water bottles. (refill) 2. The whole food chain is affected by the overuse of _________ in agriculture. (chemical) 3. _________ such as nitrogen oxide, carbon monoxide and hydrocarbons have been linked to hay fever, chest infection and childhood cancer. (Pollute) 4. As levels of _________ carbon dioxide and methane increase, the greenhouse effect will trap increasing amounts of heat. (atmosphere) 5. Was the public _________ of the danger of drought and crop failure? (awareness) 6. They agreed to cut _________ of nitrogen oxide from power stations. (emit) 7. _________ say that diverting water from the river will lower the water table. (Environment) 8. There has been an _________ response since the club advertised a few weeks ago. (encourage) 9. They have grown awareness of commercial exploitation of forests _________ . (globe) 10. People are paying more for _________ water than they are for gasoline. (bottle) C. GRAMMAR I. Complete the sentences using the future with will or the correct forms of be going to. 1. In the future people _________ (have) bigger heads. 2. That trash bin is full. I think the trash _________ (fall). 3. Look at those clouds. It _________ (rain). 4. This team is playing so bad today. They _________ (lose)! 5. I _________ (help) you with your luggage. It looks heavy. 6. _________ (they, start) a new business together as they have planned? 7. We _________ (reuse) these plastic bags within this week. 8. Frank _________ (not take) a three-day holiday next month. 9. There isn’t any drinking water left. I _________ (order) a big bottle now. 10. They brought the paint here because they _________ (repaint) the wall. 11. Today’s generation _________ (live) longer. 12. My classmates and I _________ (join) a community service project this summer. 13. I can’t open this jar. - Give it to me. I _________ (do) it. 14. Susan feels sick. She knows that she _________ (not study) at school. 15. Mia keeps lots of empty bottles. She _________ (recycle) them.
16. _________ (young people, have) more job opportunities? 17. She passed her exams. She _________ (study) in a university. 18. I think she _________ (not participate) in the volunteer programme. 19. Addressing global warming today _________ (save) lives and money for years to come. 20. Air pollution is dangerous for the forests. It _________ (destroy) the trees. II. Complete the second sentences using the passive voice. 1. She doesn’t throw away her used household items. Her 2. More and more people are adopting a green lifestyle. A green 3. Humans put tons of plastic into the ocean every year. Tons of 4. They employ transport workers in all sectors of the economy. Transport 5. People are cutting down protective forests at a high rate. Protective 6. We don’t encourage the use of refillable water bottles in our place. The use 7. They make the products from recycled materials rather than new ones. The products 8. The local community is going to plant 20,000 new trees in July. 20,000 9. We will save natural resources by cutting back on unnecessary purchases. Natural 10. The activities of conservation aren’t supporting this beautiful scenery. This beautiful 11. Will they restore the habitat for the benefit of migratory birds? Will the habitat 12. The Americans consume about 60,000 plastic bags every 5 seconds. Every 5 seconds, 13. They reduce environmental pollution in Beijing as the economy grows. Environmental 14. The government maintained the island as a sanctuary for endangered species. The island 15. A group of volunteers picked up over 12 kilos of rubbish in the central park. Over 12 kilos 16. We discussed environmental consequences of wrong economic decisions at the workshop. Environmental