金融工具交易或买卖过程中所产生的运行机制，是金融市场的深刻内涵和自然发展，其中最核心的是供求机制。
参考答案：错
程控球阀阀检发生故障，可能的原因是（）。
A.阀检松动脱落
B.阀检角度发生变化
C.阀检损坏
D.阀检电路断
The magazine was started by Becky, ___________ I know.[ ]
A. As far as
B. As well as
C. As soon as
D. As much as
