听对话,回答问题。 1. What is the girl's name? [ ] A. Mary. B. Rose. C. Betty. 2. What is the girl going to do this evening? [ ] A. She is going to meet some friends. B. She is going to do some shopping. C. She is going to see a film.
【单选题】______ is an area within the radiotelephone coverage of at least one VHF coast station in which continuous Digital Selective Calling is available.