统计数据的准确性是指统计数据要能够反映社会经济现象的客观实际情况，既不存在趋势性的技术差错，也不存在故意提供虚假数字的现象。（ ）
参考答案：对
按顺时针方向，围绕亚洲的大洋是（ ）
A．印度洋、太平洋、北冰洋
B．大西洋、太平洋、印度洋
C．北冰洋、太平洋、印度洋
D．北冰洋、印度洋、太平洋
Which of the following statements is NOT true of "free flight"
A．Commercial aircraft is guided by GPS.
B．Civilian aircraft are free to move over all territories.
C．Cargo carriers no longer collide with one another.
D．Passenger flights are safe to fly with military aircrafts.
