2 ** Match the words from the text with their definitions. a) environment
b) science fiction
c) pollution
d) imagine
e) navigate
1. to picture something in your mind
2. a type of book or film usually about the future, spасе or other planets
3. move around something or find the right direction
4. the air, water and land on and in which people and animals live
5. something that happens when the air or water is not clean