The key answer of exercise 2
The key to exercise solutions in chapter 11 - Reading for the textbook Cutting Edge Upper-Intermediate - Student's Book with authors Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education
Question
- The text is about two of these problems: climate change and asteroid strikes. Read the introduction and look at the pictures. Match the pictures with the ideas below.
- Can you guess which problem each picture relates to and what the solution might be? Scan the text briefly to check.
Answer
- Pictured top left: 'stirring up the oceans' - relates to climate change. Long plastic tubes would stir up the sea, bring up cold water to the surface, absorb heat and CO, and cool the planet.
- Pictured top right: building a giant umbrella in space' - relates to asteroid strikes. The umbrella would collect solar energy and refocus it on the asteroid, deflecting it away from the earth.
- Pictured bottom left: pumping toxic chemicals into the atmosphere' relates to climate change. A 12-mile pipe would pump toxic chemicals into the atmosphere to form a protective layer, reflecting sunlight and cooling the earth.
- Pictured bottom right: building a huge nuclear bomb' relates to asteroid strikes. A nuclear bomb would be launched to destroy an approaching asteroid.
Similar Books
