题目

听下面一段独白，回答以下小题。 （1） What is to be hosted on Wednesday evening? A . A bake sale. B . A parent book club. C . An event to honor an artist. （2） When does the book fair end? A . On Thursday. B . On Wednesday. C . On Monday. （3） Where will the money from the bake sale go? A . A computer lab. B . The sports teams. C . The art department. （4） What happens to the computer lab? A . It will be repaired. B . It will be closed forever. C . It will be put up for sale.今年“五一”黄金周，宁波市接待游客人数创历年新高，达2163万人次，用科学计数法可表示为 [     ]A.2.163×106人次B.2.163×107人次C.0.2163×107人次D.216.3×104人次