题目

Recently, I was told that managing is mostly common sense．Though I agree with this    1    in general，it leads me to a few very    2    conclusions． In the IT field，entry level jobs are technical．As an engineer's career    3   , they become much more technical，with more responsibilities，and hopefully higher pay．   4    ，some of these engineers are promoted to    5   ，which is very non-technical．As mentioned above, these management jobs are more common sense by mostly    6    and evaluating daily tasks． The surprising reality is t如图一位老人正在打门球，被打出去的门球会慢慢停下来，对“门球会慢慢停下来”这一现象，正确的解释是（　　）A．门球没有受到力的作用B．门球受到地面摩擦阻力的作用C．门球的惯性逐渐消失D．门球所受到的摩擦阻力大于它的惯性