A.does not change
B.improves rapidly
C.improves only slightly
D.becomes poor
您可能感興趣的試卷
你可能感興趣的試題
A.stop
B.to stop
C.stopping
D.stopped
A.you recovery
B.you recover
C.you recovering
D.you recovered
A.Weekly Editions
B.Quarterly Editions
C.Annual Editions
D.Monthly Editions
A.every day
B.every week
C.every month
D.every year
A.more slack in the mooring lines
B.a strain on the mooring lines
C.chafing gear on the mooring lines
D.grease on the mooring lines
最新試題
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
Weekly NMs are available without subscription from appointed（）.
Which would influence a magnetic compass（）.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.