According to your textbook, "we shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets, we shall fight in the hills" in an example of

Respuesta :

A speech, most likely an old one 

This is an example of "Repetition".

Repetition is a way used in language to draw attention to a certain idea or point, although this is usually utilized in poetry or songs etc but when used in a speech which is often a way to emphasize on the idea. The given example is a part of speech from Winston Churchill.