【单选题】在PC机中,全角方式下一个字符占有( )字节。(单选)
【单选题】在PC 机中全角方式下一个字符占有( )字节
【单选题】IGBT是一种全控型器件,其全称是什么?
【单选题】At the moment, the police ______trying their best to search for the missing boy.
【单选题】The whole class_____searching for the missing boy when the heavy rain poured down
【简答题】The boy was missing. His parents were very concerned about his safety.