单项选择题
A.for B.with C.to D.of
Permission is requested to pump out about 200 tons of c...
单项选择题Permission is requested to pump out about 200 tons of clean sea ballast water for （） purposes．
A.safe manning B.trimming C.avoiding collision D.preventing pollution
Permission is kindly （） about 1000 tons of clean sea wa...
单项选择题Permission is kindly （） about 1000 tons of clean sea water ballast，as and when required for trimming purposes．
A.requested to pump out B.requested pumping out C.requesting to pump out D.requesting pumping out
Once vessel has been cleared by Port Health or Immigrat...
单项选择题Once vessel has been cleared by Port Health or Immigration （）must proceed to appropriate berth or anchorage．
A.It B.she C.he D.the vessel
