题目内容

WhichofthefollowingmachineryspaceoperationsisrequiredtobeloggedintheOilRecordBook?()

A. Ballastingorcleaningoffueloiltanks
B. Shiftingsuctionofmainfuelpumptoreservefueloiltank
Changingoutsprayerplatestoadjustforsteamdemand
Dailyinspectionofengineroombilges

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Foranuprightvessel,draftistheverticaldistancebetweenthekeelandthe().

A. waterline
B. freeboarddeck
C. Plimsollmark
D. amidshipssection

以下关于玉米与大豆间种的叙述中,错误的是:()

A. 提高复种指数
B. 玉米的二氧化碳补偿点低,大豆的二氧化碳补偿点高
C. 大豆丰富的根系分泌物为玉米的生长提供良好的环境
D. 夏季午后高温,玉米比大豆更易出现“午休现象”

Theapprovalperiodforashipboardoilpollutionemergencyplanexpiresafter().

A. oneyear
B. twoyears
C. fouryears
D. fiveyears

“凭证销号(242050)”交易优化后()。

A. 支持未用重要空白凭证全部销号
B. 需要逐张或分段授权销号
C. 不支持未用重要空白凭证全部销号

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