Oral presentations depend on your audience!
What is your audience looking for?
What is the topic on which you will speak? Food from around the world
Is it meant to be serious or humorous?
Make sure that whatever the subject and whatever the audience, talk to them as if to an individual...
Look them in the eyes and make them listen by using persuasive words/phrases e.g. I am sure you'll all agree with me, how would YOU feel if......etc to get to their emotions.
Be sure that you are aware of what your body language is saying at all times., be careful how you act, stand, hold your notes/cue cards.
Your body speaks the loudest and can be understood by everyone in any language.