【简答题】在Windows 98“我的电脑”窗H中,若已选定硬盘上的文件或文件夹,并按了Delete键和“确定”按钮,则该文件或文件夹将( )。
【单选题】According to the text, which of the following is eligible for a patent?
A.
The perpetual-motion machine.
B.
A solar-powered automobile.
C.
The 'one-click' online payment system.
D.
A words-memorizing approach.
【判断题】( )假设Rl=1.8,当执行取整运算指令R2=TRUNC(Rl)时,是将值2.0赋给变量R2。(SIEMENS系统)
【单选题】According to the passage, whether TV is good or mot depends on .
B.
people’s attitude towards it
【单选题】—I’m terribly sorry about that. — ___
B.
Don’t give it another thought.
【单选题】The single acting cylinder is the st form. where pressure is applied to the full area of the piston head to move the load through piston rod extensionThe load causes rod _____ when the drive pre...
【简答题】I’m terribly sorry. I’ll inform the maintenance department.
【单选题】在执行了a+=a=5;之后,a的结果为( )。
【判断题】某丈夫希望窃听其妻子的上网行为,就在妻子使用的电脑键盘中,安装了一个小型发射器,将按键信息通过发射器发出,再通过接收器以及软件重现其妻子的按键信息。这种技术是否属于信息安全。()
【单选题】—I’m terribly sorry that I made your table cloth dirty! — .