文档介绍：Unit 10 Animal Research Is Vital to Medicine
Part I (Para 1) Opening paragraph. The writers clearly and specifically bring out the theme of the essay: animal research is vital to medical research.
Part II (Para 2-15) Body part of the essay. The writers point out six pieces of evidence to support their argument and develop the theme that animal experiment plays a crucial role in the development of modern medical treatments.
Part III (Para 16) Concluding paragraph. The writers reiterate the theme of the essay: "We find it difficult to imagine how progress in this field can be achieved in the future without animal experiments". (Para 16: last 4 lines)
Characteristics
1. Argument: animal research is vital to medicine
“Indeed. We cannot think of an area of medical research that does not owe many of its most important advances to animal experiments.”
The effective use of the rhetorical device of double negation to emphasize the thesis /topic statement.
2. the repetition of the similar thesis /topic statement in great varieties throughout the text to emphasize the theme of the essay:
3. The use of a wealth of examples, such as the six pieces of evidence listed above to illustrate how vital animal research is to medicine.
1. The discovery of the causes of certain debilitating diseases; Louis Pasteur (Para 2-4)
2. The development of ines; (Para 5) Joseph Lister
3. The development of antibiotics; (Para 7-9)Sir Alexander Fleming & Gerhard Domagk
4. Organ transplants including heart valves and kidney; (Para 11-13) John Gibbon
5. Diabetes research; (Para 14)
6. Hypertension treatment. (Para 15)