第一节 听力理解 (5段共15小题；每小题1.5分，满分22.5分) 每段播放两遍。各段后有几个小题，各段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题，在5秒钟内从题中所给的a、b、c项中，选出最佳选项，并在答题卡上将该项涂黑。听第一段独白，回答第1-3题。 1. when did men first begin to use salt? a. three thousand years ago. b. when men began to salt fish and vegetables. c. it is unknown. 2. why were the ten thousand people put in jail in the 18th century? a. for selling salt. b. for stealing salt. c. for making salted fish. 3. what can we learn from the talk? a. the salt was used to preserve dead bodies in egypt thousands of years ago. b. the salt was placed far from the important guests when the king had his dinner. a man who took more than his share of salt would
