A.watch
B.look for
C.see
D.regard
您可能感興趣的試卷
你可能感興趣的試題
A.west in west longitude and east in east longitude
B.east in west longitude and west in east longitude
C.west
D.east
A.Snowfall or blowing snow
B.Lack of ability to estimate distance
C.Harsh contrast between sun-illuminated snow cover and the background
D.Hazy horizons with extensive mirage effects
A.more serious
B.not less serious
C.more dangerous
D.no more dangerous
A.low water slack
B.high water slack
C.high water ebb
D.high water flood
A.lower low water
B.high water
C.low water
D.sea level
最新試題
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
Above-normal tides near the center of a hurricane maybe caused by the （）.
The period at high or low tide during which there is no change in the height of the water is called the （）.
The distance between the surface of the water and the tidal datum is the （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）
The height of eye correction is smaller than geometrical dip because of （）.
Clearance gauges at bridges indicate （）.
As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
An occulting light is one in which （）.
Attention is called to the fact that in many cases pipelines are not （） and charted depths may be decreased by up to 2 meters．