Theproximityofpackicemaybeindicatedby（）.
A. changesinseawatersalinity
B. glareoncloudsonthehorizon
C. changesinairtemperature
D. icebergs
查看答案
Topsideicingdecreasesvesselstabilitybecauseitisusuallyoff-centerand（）.
A. increasesdisplacement
B. increasestheheightofthecenterofgravity
C. increasesdraft
D. reducesthepocketingoffreesurface
（）belongstotheanchorhandlingequipment.
A. jibstopper
B. winchbarrel
C. slewingrim
D. windlass
下图为某同学构建的晴朗白天植物有氧呼吸过程图，下列正确的是（）
A. 催化2→3的酶存在于线粒体内膜上
B. 产生的8主要用于合成ATP
C. 6部分可来自叶绿体
D. 3全部释放到大气中
Topsideicingthatblocksfreeingportsandscuppers（）.
A. isusuallybelowthecenterofgravityandhaslittleeffectonstability
B. willcausewaterondecktopocketandincreasestability
C. maydecreasestabilitybyincreasingfreesurfaceeffectduetowaterondeck
D. increasestheeffectivefreeboardandincreasesthewind-heelaffect
微信支付 
支付宝支付