【单选题】循环语句 for (x=0,y=0; (y!=123)||(x<4);x++);的循环执行( )
【单选题】Unless we spend money to spot and prevent asteroids now, one might crash into Earth and destroy life as we know it, say some scientists.Asteroids are bigger versions of the meteoroids that race across...
A.
while pushing asteroids off course nuclear weapons would destroy the world
B.
asteroids racing across the night sky are likely to hit Earth in the near future
C.
The worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime
D.
Workable solutions still have to be found to prevent a collision of asteroids with Earth
【单选题】( )—Are you going anywhere?
A.
________ about visiting my sister, but I have changed my mind.
【单选题】某地址http://www.163.com/mail/index.htm,代表主机名称的是( )
【单选题】执行完如下语句后:( )
A.
页面上显示的内容为http://www.163.com
【单选题】—I caught a bad cold yesterday and didn't go anywhere. —Sorry to hear that. Are you feeling _______ now? [ ]
【单选题】20130150在Excel中,若A1单元格的值为12.13, B1单元格的值为-12.13,在C1单元 格中输入函数“=SUM(INT(A1)+INT(B1))”,按回车键后,C1单元格中的值为(50)。