【单选题】多媒体主要由文本、图形、声音、 4部分组成内容组成。
【单选题】33 定义一数组 char str[60],要将字符串“windows”存放到此数组的正确语句是( )。
【简答题】听录音,将所听句子序号写在对应的图下。 ( ) ( ) ( ) ( )
【单选题】It was quite a serious mistake, ____caused by carelessness.
【单选题】If it for his invitation the other day, I should not be here now.