Unit 7 Mother Nature

Choose the correct answers. 1. I _ my parents the truth. Now I'm in trouble. should have told may have told 2. Look out! You _ that window with the football. must have broken could have broken 3. My bike isn't in the garage. My brother _ it. must have taken should have taken 4. Freddie _ well last night. He's very tired today. can't have slept shouldn't have slept 5. Mum, you _ me a new MP4 player. I repaired my old one and it works fine. couldn't have bought needn't have bought 6. The film was awful. We _ at home. might have stayed 'd rather have stayed 7.A: Someone stole my handbag!B: Well, you _ it in the car! shouldn't have left couldn't have left Vocabulary A. Match the words below with the definitions. Write your answers in the space provided. a mixture of smoke and fog caused by exhaust fumes and factory gases rain containing acids which are harmful especially to trees and forests a layer of oil on the surface of the water which comes from tankers materials containing chemicals which are no longer used and are pumped into rivers, lakes and seas substances such as coal and oil that were formed over millions of years from the remains of animals and plants, and are burnt for energy power that is produced using the energy from the sun, wind, water, etc. B. Complete the sentences with the words in the boxes.1. When do they collect the rubbish this neighbourhood?2. I've got so much junk in the garage that I need to start throwing things out.3. Governments should stop factories from pumping their waste into rivers.4. People who drop litter in the streets should be fined. B. Complete the sentences with the words in the boxes.5. That shirt is filthy! Put it straight in the washing machine.6. I think the most useful appliance in the home is the fridge.7. When doing a Do-It-Yourself (DIY) project, it's important to choose the right tool for the job.8. This is a great little device which helps you find your keys. Listen A. Listen to a part of radio programme and answer the quiz below. 1. How long does it take a plastic bottle to biodegrade? 50 → 100 years 500 - 1000 years 5000 - 10,000 years 2. After an oil spill, how much of the oil is usuallyrecovered? less than 15% about 50% more than 60% 3. What will the global population be in 2050? just under 8 billion just under 9 billion just under 10 billion 4. How much water is there on the planet? less than 1000 years ago more than 1000 years ago the same as 1000 years ago 5. Which is worse for the environment? driving a car having a pet buying food that isn't organic You will hear people talking in five different situations. For questions 1-5, choose the best answer a, b or c. 1. Why is the mother angry with her son? Because he put his rubbish in the wrong bin. Because he didn't put all his rubbish in the bin. Because he didn't take the rubbish out.c. the fridge 2. What are the people talking about? smog acid rain toxic waste 3. How is the machine powered? wind power solar power wave power 4. What did the girl learn about fossil fuels? They won't last forever. They are bad for the environment. They are difficult to get. 5. Which appliance is eco-friendly? the oven the dishwasher the fridge