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单选题
Neap tides occur（）.
A
At the start of spring，when the Sun is nearly over the equator
B
Only when the Sun and Moon are on the same sides of the Earth and are nearly in line
C
When the Sun and Moon are at approximately 90° to each other，as seen from the Earth
D
When the Sun，Moon，and Earth are nearly in line，regardless of alignment order
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更多 “单选题Neap tides occur（）.A At the start of spring，when the Sun is nearly over the equatorB Only when the Sun and Moon are on the same sides of the Earth and are nearly in lineC When the Sun and Moon are at approximately 90° to each other，as seen from the EarthD When the Sun，Moon，and Earth are nearly in line，regardless of alignment order” 相关考题
考题
Neap tides occur ______.A.at the start of spring, when the Sun is nearly over the equatorB.only when the Sun and Moon are on the same sides of the Earth and are nearly in lineC.when the Sun and Moon are at approximately 90°to each other, as seen from the EarthD.when the Sun , Moon, and Earth are nearly in line, regardless of alignment order
考题
Spring tides occur______．A.when the moon is new or fullB.when the moon and sun have declination of the same nameC.only when the moon and sun are on the same sides of the earthD.at the beginning of spring when the sun is over the equator
考题
Above-normal tides near the center of a hurricane maybe caused by the ______.A.high barometric pressureB.jet streamC.storm surgeD.torrential rains
考题
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the ______.A.air gapB.freeboardC.penetrationD.water depth
考题
As soon as the ship is berthed，you should lower the gangway，stretch a net ______ it，and adjust it to the rise and fall of the tides so that personnel may embark or disembark in safety．A.overB.besidesC.nearD.underneath
考题
Mean low water is the average height of ______.A.the surface of the seaB.high waters and low watersC.all low watersD.the lower of the two daily low tides
考题
______ offers a detailed description of tidal theory and its application to the analysis and prediction of tides and tidal streams．A.Ocean Passages for the World（NP136）B.Admiralty Tidal Stream AtlasesC.Admiralty Manual of Tides（NP120）D.Admiralty Tidal Handbooks（NP122 1-3）
考题
Which statement is TRUE concerning equatorial tides ________．A.They occur when the Sun is at minimum declination north or southB.They occur when the Moon is at maximum declination north or southC.The difference in height between consecutive high or low tides is at a minimumD.They are used as the basis for the vulgar establishment of the port
考题
Tides are superimposed on nontidal rising and falling water levels，caused by ______．A.freshetsB.floodsC.river flowsD.seismic events
考题
单选题Which will most likely occur when entering shallow water? （）A
Rudder action will become more effectiveB
The vessel's list will changeC
The vessel's trim will changeD
An increase in speed will occur
考题
单选题Neap tides occur only（）.A
at a new or full MoonB
when the Sun，Moon，and Earth are in lineC
at approximately 28-day intervalsD
when the Moon is at quadrature
考题
单选题The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.A
air gapB
freeboardC
penetrationD
water depth
考题
单选题The trouble-free life of an engine indicates （）.A
the period of time during which no trouble occurs to the engineB
no trouble will occur to the engine all its lifeC
trouble may occur freely to the engineD
no matter what you do to the engine, no trouble will occur during this period
考题
单选题When there are small differences between the heights of two successive high tides or two successive low tides，the tides are called（）.A
DiurnaB
Semi-diurnalC
SolarD
Mixed
考题
单选题Spring tides occur（）.A
when the moon is new or fullB
when the moon and sun have declination of the same nameC
only when the moon and sun are on the same sides of the earthD
at the beginning of spring when the sun is over the equator
考题
单选题Spring tides occur（）.A
at the start of spring，when the Sun is nearly over the equatorB
only when the Sun and Moon are on the same side of the Earth and nearly in lineC
when the Sun and Moon are at approximately 90°to each other as seen from the EarthD
when the Sun，Moon，and Earth are nearly in line，in any order
考题
单选题Spring tides are tides that（）.A
have lows lower than normal and highs higher than normalB
have lows higher than normal and highs lower than normalC
are unpredictableD
occur in the spring of the year
考题
单选题Neap tides occur when the（）.A
Moon is in its first quarter and third quarter phasesB
Sun and Moon are on opposite sides of the EarthC
Moon's declination is maximum and opposite to that of the SunD
Sun and Moon are in conjunction
考题
单选题A tide is called diurnal when（）.A
only one high and one low water occur during a lunar dayB
the high tide is higher and the low tide is lower than usualC
the high tide and low tide are exactly six hours apartD
two high tides occur during a lunar day
考题
单选题Mean low water is the average height of（）.A
the surface of the seaB
high waters and low watersC
all low watersD
the lower of the two daily low tides
考题
单选题Which statement is TRUE concerning apogean tides（）．A
They occur only at quadratureB
They occur when the Moon is nearest the EarthC
They cause diurnal tides to become mixedD
They have a decreased range from normal
考题
单选题The datum from which the predicted heights of tides are reckoned in the tide tables is（）.A
mean low waterB
the same as that used for the charts of the localityC
the highest possible levelD
given in table three of the tide tables
考题
单选题Tides are superimposed on nontidal rising and falling water levels，caused by（）．A
freshetsB
floodsC
river flowsD
seismic events
考题
单选题The British Royal Society for the Prevention of Accidents (ROSPA) is petitioning to keep the UK on British Summer Time all year round, and they claim that nearly 450 serious accidents occur each year because of the time change.A
all year round, and they claim that nearly 450 serious accidents occur each year because of the time changeB
all throughout the year, and they claim that nearly 450 serious accidents occur each year because of itC
all year, claiming that nearly 450 serious accidents occur each year because of itD
all year round, claiming that nearly 450 serious accidents occur each year because of the time changeE
all year round, and they claim that nearly 450 serious accidents occur each and every year because of the time change
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