控制就是纠正计划执行中的偏差，但并不是一有偏差就一定要采取矫正措施，矫正措施通常是在偏差达到一定的程度时才需要。()

未分类题It can be inferred from the text that the biggest losers are those whoA．jump off the sinking ship while sailing on the sea.B．drown in the water in the same way as the others.C．make mistakes in spite of the awareness of danger.D．keep the stocks when their value approaches zero.

未分类题What is the purpose of the meeting between the DHS and the private company executives?A．To provide the Internet service among such industries as banking, telecommunications and energy.B．To help the private companies in different industries change information.C．To construct a system to share information on cyber-safety between the DHS and private companies.D．To help the DHS manage the private companies in different industries.

判断题总台的大小是由饭店前厅的大小决定的，前厅面积越大，总台的大小相对增大。()

未分类题From the second paragraph we learn thatA．the workforce classification is as wrong as the education system.B．twenty-first-century workforce are separated from the needs of the business world.C．white-collar workers are only part of the problem of education system.D．blue-collar manual laborers are needed in agrarian-aged America.

判断题安全第一是不能动摇的试用新药的道德原则。()