化学需氧量测定可将大部分有机物氧化，而且也包括水中所存在的（）还原物质。
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Given the Tag： Assuming the tag referenced by my Tags： get Advice uses the Classic event model， which is true？（）
A. The do After Body method is called.
B. The doEnd Tag method is NOT called.
C. The type attribute may be specified in the TLD
D. The do Start Tag Method must always return SKIP_BOD
E. The TLD for this tag must NOT include a
某验船师在审核船长30米拖船图纸时提出该船船艏水密舱壁位置距首垂线3m，不在距首垂线（0.05-0.1）L范围内，要求修改相关图纸。该做法是否正确，并作简要说明。
“扬弃”是指（）
A. 既克服又保留
B. 事物发展的环节
C. 事物联系的环节
D. 完全抛弃
The controlling depth of the river is（）.
A. the minimum depth of the river prescribed in the channel maintenance program
B. the edge of a dredged channel
C. the highest level to which the river may rise without flooding
D. the least available water in a channel which limits the draft of boats and tow
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