The articulated light is superior to other types of buoys because ______．
A. The radar reflectors reflect better signals
B. Fog horn signals travel farther to sea
C. It is equipped with strobe lights
D. It has a reduced watch circle
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切变线是一种特殊的槽线，。
A. 一般近于东西走向，两侧有明显的气旋式风切变
B. 只出现于地面或500hPa图上，两侧的温度梯度不甚明显
C. AB都对
D. AB都错
在南半球当冷锋过境时,通常真风向由。
A. 东～东南风转南～西南风
B. 南～西南风转北～西北风
C. 北～西北风转南～西南风
D. 东～东北风转北～西北风
Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic
A. Heeling magnet
B. Flinders bar
C. Fore-and-aft magnets
D. All of the above can be set on magnetic east or magnetic west headings
Your radar is set on a true motion display．Which of the following will NOT appear to move
A. Echoes from a buoy
B. Own ship's marker
C. Echo from a ship on the same course at the same speed
D. Echo from a ship on a reciprocal course at the same speed
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