Rosemary seems quite mute as a person based on the first paragraph of A Cup of Tea. I would have to read more into Rosemary before I made a judgement, solely because of the Great Gatsby with Jay Gatsby where he seemed the same, however he turned out to be a completely different person from what he was portayed as by everyone.
Answer: Mary absolutely is astonished and happy to have something all to herself, and that only she knows about it.
Kills all viruses and bacteria except their spores: high
kills most types of bacteria and viruses: intermediate
kills fewer types of batteries and viruses: low
Answer:
maybe anguish/depressed/dejected?