【判断题】尺寸大的彩色图片数字化后,其数据量必定大于尺寸小的图片 。 ( )
【单选题】什么命令解压缩 tar 文件?
A.
tar -czvf filename.tgz
B.
tar -xzvf filename.tgz
C.
tar -tzvf filename.tgz
D.
tar -dzvf filename.tgz
【简答题】对话(一) 1. What is Ann doing? A. She is a cake for her mother. B. She is going to visit her old friend. 2. Whose friend is from Canada? A. Ann's friend. B. Lisa's friend.
【简答题】听对话,回答问题。 1. What's the man going to do? [ ] A. To visit Hongkong B. To trek through the jungle C. To visit the Eiffel Tower 2. What did Mary use to be like? [ ] A. tall and thin B. long hair ...
【多选题】关于常流式液压动力转向系统的工作过程,说法错误的有:
【判断题】目前DVD光驱采用的激光为红色激光或蓝色激光。(2014)
【单选题】关于计算机硬盘,下列叙述中错误的是( )。