在如图所示的匀强电场和匀强磁场共存的区域内,水平向右射入的电子一定沿水平方向做直线运动的是[ ]
A.
B.
C.
D.
答案:B
在企业分配中,如果过分压低劳动报酬,则不利于调动劳动者的生产积极性,终将限制企业的发展。这说明( )
A.公平是提高效率的保障
B.要贯彻“兼顾效率与公平”的原则
C.效率是公平的物质前提
D.初次分配和再分配都要注重公平
Nongfu Spring, one of China’s biggest bottled water companies, was reported ________ to meet national standards, and its chairman held a news conference in Beijing on May 7.
A.having failed
B.to fail
C.failing
D.to have failed