A.only one high and one low water occur during a lunar day
B.the high tide is higher and the low tide is lower than usual
C.the high tide and low tide are exactly six hours apart
D.two high tides occur during a lunar day
您可能感興趣的試卷
你可能感興趣的試題
A.hydraulic current
B.rectilinear current
C.rotary current
D.harmonic current
A.Papagayo
B.fall wind
C.foehn
D.williwaw
A.Tehuan tepecer
B.Papagayo
C.Norther
D.Pampero
A.crossing
B.transit
C.transfer
D.passing
A.V-shaped ripple with the point of the V pointing upstream
B.V-shaped ripple with the point of the V pointing downstream
C.small patch of smooth water on a windy day
D.smoothing out of the vessel's wake
最新試題
The currents are（）mosoonal origin．
In the Northern Hemisphere the major ocean currents tend to flow（）.
The presence of stratus clouds and a dying wind will usually result in（）.
The length of a wave is the length（）.
Cold water flowing southward through the western part of the Bering Strait between Alaska and Siberia is joined by water circulating counterclockwise in the Bering Sea to form the（）.
In a tropical cyclone，in the Northern Hemisphere，a vessel hove to with the wind shifting counterclockwise is（）.
The largest waves (heaviest chop) will usually develop where the wind blows（）.
The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind（）.
Advection fog is most commonly caused by（）.
The direction of the surface wind is（）.