The Answer Is Reading Informational. I Just Took The Test!
Answer:
Definitely formal English as formal English is used in formal settings. Both the examples you gave are formal settings.
Endocrinology is a part of medicine that has to do with hormones and endocrine gland, people who work in that part are called "endocrinologists".
This could be a variety of things, for example “she fell over” “she saw her mum” ect
