邮政储蓄机构接受代收代付业务批量数据时，应坚持双人接收、双人核对、双人整理、双人上传主机的原则。
A、正确
B、错误
参考答案：A
So far we have done a lot to build a low-carbon economy, but it is __________ ideal. We have to
work still harder. [ ]
A. next to
B. far from
C. out of
D. due to
对有旁路阀的新物料计量表的投用步骤：先开旁路阀，流体先从旁路管流动一段时间；缓慢（）；缓慢开启下游阀；缓慢关闭旁路阀。
A.开启上游阀
B.关闭上游阀
C.开启下游阀
D.关闭下游阀
