第1题:
A had decreased
B will decrease
C has been decreasing
D is decresing
第2题:
When the ships is going to enter into the harbor
A.change from heavy fuel oil to diesel oil for main engine
B.pumping out bilge water
C.change sea chest form high level one to lower level one
D.test emergency generator
第3题:
A、under
B、over
C、beneath
D、below
第4题:
第5题:
第6题:
第7题:
Deviation changes with a change in ______.
A.latitude
B.heading
C.longitude
D.sea conditions
第8题:
Over the past decades, sea icein the Arctic as a result of global warming.
A . haddecreased Bdecreased C has been decreasingD is decreasing
第9题:
第10题:
相对海平面变化(relative sea level change)