The three famous buildings in ancient China refer to ( ). A: Yueyang Tower, Huang He (Yellow Crane) Tower and Da Guan Tower B: Huang He Tower, Da Guan Tower, Tengwang Pavilion C: Yueyang Tower, Huang He Tower, Tengwang Pavilion D: Huang He Tower, Penglai Pavilion, Da Guan Tower

以下可以正确判断/bak是不是目录的语句的是（）。 A: if[-r/bak] B: if[-d/bak] C: if[-f/bak] D: if（-f/bak）

在DOS下若要删除磁盘上全部扩展名为BAK的文件时，输入命令为（）。 A: ？.BAK B: *.BAK C: BAK D: ？？？.BAK

What are the three gate towers of each gate? A: Zhenglou Tower B: Jianlow Tower C: the Watch Tower D: Zhailow Tower

删除A盘当前目录中扩展名为.BAK的所有文件的命令是（）。 A: DELA：*.BAK B: RDA：*.BAK C: DELA*.BAK D: RDA*.BAK

Binyang Tower is a famous tower built on

删除当前目录下所有扩展名为．BAK的文件 A: DEL*.BAK/ B: DELBAK/ C: DEL\*.BAK/ D: DEL/*.BAK/ E: DEL**.BAIL/

Yellow Crane Tower was originally _________ a watch tower for military purpose.

When was the name of Big Ben Tower changed into Elizabeth Tower ?

Which one is at the heart of the Tower of London?（ ） A: the central dome B: the Whispering Gallery C: the White Tower D: Tower Green