在AHTax2009申报征收模块中进行申报征收清册查询时，下列说法正确的是（）。
A. 可以选择税种
B. 必须选择发生日期
C. 必须选择税务机关
D. 可以选择所属期
查看答案
The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is（）
A. dropping lube oil for lubrication, reducing the pollution to the sea
B. setting a temporary gravity oil tank and enhanced the position properly
C. lubricating with the used lube oil
D. lubricating with the fresh water and navigation in a lower speed
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