【判断题】无论是收款凭证、付款凭证,还是转账凭证、记账凭证,编制的时候多余行都需要用斜线注销。( )
【单选题】It will be __ wonderful world if all nations live in __ peace with one another. [ ]
【单选题】三线螺纹,螺距p=1.5mm,则螺纹导程S= ( ) mm
【判断题】在Windows7窗口提供了联机帮助功能,查看与该窗口有关的帮助信息应按F1键。
【简答题】三线螺纹,螺距p=1.5mm则螺纹导程S=()mm
【单选题】控制阀失灵,( )、 单向阀、电磁阀等的滑阀支承在弹簧上对振动相当敏感。
【判断题】在Windows7窗口提供了联机帮助功能,查看与该窗口有关的帮助信息应按F1键。
【多选题】以下关于虚拟化和云计算关系描述正确的是( )
B.
虚拟化是一种技术,云计算是一种服务模式,虚拟化推动了云计算的发展
【单选题】根据下面材料,回答题。 It is predicted that there will be 5 scientific breakthroughs in the 21st century. We'll know where we came from. Why does the universe exist? To put it another way, why is there something...
A.
there was not antibiotics at that time
B.
tuberculosis was a terrible disease that couldn't be cured during 19th century
C.
the health of the heroine was very poor
D.
this was a common situation in the 19th century operas