题目内容

()belongstothecargohandlingequipment.

A. cargowinch
B. chainlifter
C. cablestopper
D. windlass

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下图曲线为种子萌发为幼一苗时某些物质含量的变化。如果B曲线代表的是葡萄糖的含量,那么A曲线最可能代表的物质是()

A. 水
B. 蛋白质
C. 淀粉
D. 麦芽糖

Theproximityofpackicemaybeindicatedby().

A. changesinseawatersalinity
B. glareoncloudsonthehorizon
C. changesinairtemperature
D. icebergs

Topsideicingdecreasesvesselstabilitybecauseitisusuallyoff-centerand().

A. increasesdisplacement
B. increasestheheightofthecenterofgravity
C. increasesdraft
D. reducesthepocketingoffreesurface

()belongstotheanchorhandlingequipment.

A. jibstopper
B. winchbarrel
C. slewingrim
D. windlass

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