题目

在物理学发展史上，最先提出电流周围有磁场的科学家是 A．安培      B．法拉第     C．奥斯特     D．楞次 答案：C请听一段独白，完成第1至第2小题。1. What is the speaker talking about?A. A store. B. Eye glasses. C. Her family. 2. On which day can you buy glasses at a lower price? A. Friday. B. Sunday. C. Saturday.