51. What is the writer's tone of the text? 2. obstructive 1. manipulative 4. argumentative 3. uncooperative
52. Which of the following would be the best title for this text?
1. DDT is still around and still a menace
2. Where there is DDT, there is no malaria
3. Get rid of DDT in order to save wildlife
4. DDT contamination is a trivial threat everywhere