The key answer of exercise 1
The key to exercise solutions in chapter 6.2 - Grammar for the textbook Wider World 4 - Student's Book with authors Suzanne Gaynor, Kathryn Alevizos and Carolyn Barraclough from Pearson Education
Question
If a person can’t see different colours, why is it difficult to do the things below?
Answer
- Cook → It can be difficult to see if food is cooked properly or if it has gone bad.
- Choose clothes → They may choose colour combinations which other people think are strange.
- Drive a car → Colour-blind people ofter have problems distinguishing between red and green, the colours on traffic lights.
- Read a Geography book → On maps, countries are shown in different colours, so it is easy to see where the borders are. These colours may look the same to someone who is colour-blind.
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