单项选择题
Questions 19 to 22 are based on the conversation you have just heard.
A．Enormous size of its stores. B．Numerous varieties of food. C．Its appealing surroundings. D．Its rich and colorful history.
A．Transferring to another department. B．Studying accounting at a university. C．Thinking about doing a different job. D．Making preparation for her wedding.
A．A solution to the global energy crisis. B．Extraordinary advances in technology. C．The latest developments of medical science. D．Scientists’ vision of the world in half a century.