Câu 27: VI. Read the following sentences and then decide which sentence is a cause (C) or solution (S) to the environmental pollution (2pts).
1. Sort out the rubbish.
2. Industrial factories exhaust wastes into the rivers and lakes.
3. Use recycled paper to help save trees.
4. The careless or deliberate dumping of litter in the environment.
5. Take old clothes to charity organizations.
6. Reuse plastic bags over and over again, until they wear out.
7. Fossil fuels such as oil, gas and coal are burned to provide energy for lighting, cooking.
8. Use a bicycle or walk instead of using a car for short trips.