2.7 An Exposition: Air Pollution
Social purpose: To state a position about an issue and argue a case for or against
Letter to the Editor
| Dear Sir, | ||
| Text Structure | Language features | |
| Statement of position (thesis statement) and background information | I 1worry because there are 3high levels of air pollution in our suburb and all about us. | 1. Sensing verb to express opinion |
| Argument 1. Point Elaboration (gives evidence/ details to support the point) |
Ever since the local government allowed the 2opening of two more large factories in our area, the sky has been like 3a large grey blanket and the sun is hardly ever seen. | 2. Nominalisation to create a more formal and impersonal tone |
| Argument 2. Point Elaboration (gives evidence/ details to support the point) |
The government 3should be more 3concerned about people's health. After all it is the responsibility of the Government to look after us. Both adults and children could get lung cancer and bronchitis as a result of constantly breathing in the 3bad air. A health project we did in class showed that one in every three people is affected by air pollution. | 3. Evaluative language to indicate writer's attitude 4. Strong modality to indicate writer's attitude |
| Reinforcement of statement of position (thesis statement) | 5Therefore, something 4must be done to make sure that the factories control the fumes they release into the air. | 5. Logical connective to structure the argument |