击暴流在地面附近造成的（）性的阵风，可产生很强的水平风切变，对飞机的起飞和降落影响很大。
参考答案：辐散
I became a student ten years . I have been a student 1996.
I have studied here about 10 years.
A. ago, since, for B. ago ,for ,since C. ago, before, for D ago, in, after
一般会计人员办理会计工作的交接手续，由单位负责人负责监交。( )
