当水在管道中流动时,管道的阻力和它的长度()。
A、成正比
B、成反比
C、不成比例
D、无关
参考答案:A
Since his parents are dead, the poor boy doesn’t know ___________ the money they left.
A.how to do with
B.what to do with
C.to do what with
D.how he will do with
2008年2月发生地震,致使2007年购入的存货发生毁损300万元,注册会计师要求作为资产负债表日后非调整事项处理。