1. The mere fact that ticket sales in recent years for screenplay-based movies have exceeded those for book-based movies is insufficient evidence to conclude that writing screenplays now provides greater financial opportunity for writers.
2. It is possible that fees paid by movie studios for screenplays will decrease in the future relative to those for book rights.
3. The argument fails to rule out the possibility that a writer engage in both types of writing as well as other types.
4. In any event,the advertisement provides no justification for the mutually exclusive choice that it imposes on the writer.
5. The argument simply equates success with movie ticket sales,which is unwarranted.
是非问题分析论证句式:
1. Whereas other societies look to the past for guidance, we cast our nets forward(面向未来).
2. It is the belief in a brighter future that gives us optimism.
3. Even these days,when not all progress seems positive ,the belief remains that for every problem there is a rational solution.
4. The job of the parents is to give the children every opportunity while they are growing up and then get out of their way.
5. What deference people in authority do command is based on their actual powers rather than on their age, wisdom,or dignity.
6. In a society that changes as fast as ours,experience simply does not have the value that it does in traditional societies.
7. It has taken a long time to convince the public that free enterprise does not mean that a company should be free to pollute the air,foul the rivers,and destroy the forests.