【单选题】在面心立方晶体的晶胞中中,一个(111)面上共有( )个等效晶向。
【单选题】The demand made by the workers is that their salaries______to cover the increased cost of living.
【简答题】读下图,阴影部分表示黑夜,回答下列各题。 小题1:下列叙述正确的是( ) A.①地正午太阳高度为一年中的最大值 B.②地正午日影朝南 C.②地比①地的自转角速度大 D.此时地球公转速度最快 小题2:图中②地所在经线的度数是( ) A.90°W B.45°E C.90°E D.135°E
【单选题】Kodak‘s decision to file for bankruptcy protection is a sad, though not unexpected, turning point for a leading American corporation that pioneered consumer photography and dominated the film market ...
A.
Kodak‘s decision to file for bankruptcy is a sad, , but ultimately failed to adapt to the digital revolution.
B.
Kodak‘s decision is a sad, though not unexpected, turning point for a leading American corporation , but ultimately failed to adapt to the digital revolution.
C.
Kodak‘s decision is a sad turning point .
【多选题】宏观监控系统网络设计方案中对监控总系统及子系统分别提出要求,以下说法正确的是( )。
B.
监控总系统要求上国际互联网,建立自己的网络主页,以便子系统和其他授权用户可以在网上访问总系统的主页
C.
子系统将危险源信息和监察企业执行重大危险源安全管理有关规定的情况通过电话及时发送给监控总系统
D.
各子系统应在各城市的地理信息系统(电子地图)上进行危险源信息的统计、报表以及多媒体信息显示
E.
各子系统应将危险源信息和监察企业执行重大危险源安全管理有关规定的情况及时发送给监控总系统
【单选题】Kodak’s decision not to _______ the role of official film for the 1984 Los Angeles Olympics was a major miscalculation.