Model answer
your pointevidence from the textwhat it shows
The speaker uses a range of content and language techniques to convince her classmates to learn first aid. She opens with a real, recent anecdote ('last week on the playground, a classmate suddenly collapsed'), sharpened by the contrast that 'many people were standing nearby, but not one of them knew what to do', making the need feel immediate rather than hypothetical. She appeals to evidence ('numbers don't lie'), noting that the first four minutes after an accident matter most, then anticipates the objection ('perhaps you're thinking: first aid is too hard to learn') and rebuts it: the school has invited hospital professionals and 'just two afternoons' is enough. A parallel time frame ('learn a little first aid today, and tomorrow you might save a life') converts a small cost into a profound benefit, and the aphoristic close ('someone who knows first aid protects not only themselves but everyone around them') widens the appeal from self-interest to community, before the concrete call to action ('Wednesday afternoon, see you at the medical room!').