【简答题】The house was quiet at 5 a.m. and Tim’s mother was asleep. Only the sound of the big freezer broke the quiet. He dreamt of the cav e last night. The purring (轻微颤动声) of the freezer had been the sea. Ti...
【简答题】字形码是汉字输出码,一般用点阵图形方式,24X24点阵汉字输出码需占用()字节(Byte)。
【单选题】He is making a lot of noise. If only he _____ down!
【单选题】有关掌浅弓、掌深弓的描述,错误的是( )