a)
The speaker presents the 'nurture' side of the argument, suggesting that people do not inherit their abilities but that they develop them through experience. She uses the example that a child born with a natural ability for music will not develop into a good pianist unless he or she practises the piano.
b)
- I'd like to begin by stating that ...
- As I see it ...
- I think it's ridiculous to suggest ...
- I absolutely reject the idea that ...
- So, to conclude I would have to argue that ...
- Does anyone have a question ... ? / Are there any other questions?
- That's a good question because ...
c)
Introduce the argument
- I'd like to begin by stating that ...
Justify an opinion
- As I see it ... / What I think is ...
- I would say it depends on...
- What you need to consider is ...
- I think it's ridiculous to suggest ...
- I absolutely reject the idea that ...
Conclude
- So, to conclude I would have to argue that ...
Invite questions
- Does anyone have a question ... ? / Are there any other questions?
Respond to questions
- That's a good question, because ...