单项选择题

What best describes the structure from which Stratford Point Light is shown?（）

A.Brown conical tower with white horizontal band in center of light on black pier
B.Red conical tower on brown cylindrical pier
C.White octagonal house on brown cylindrical pier
D.White conical tower，with brown band midway of height

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热门试题

单项选择题Upon underwater（）by divers，there are no apparent（）on the bottom plates of the said vessel.

A.detection，defects
B.defection，defects
C.defects，defection
D.defects，detection

单项选择题To reduce the number of strakes at the bow，two strakes are tapered and joined at their ends by a single plate. This plate is known as a（）.

A.cover plate
B.joiner
C.lap strake
D.stealer plate

单项选择题Those ship’s tanks that are particularly important for trimming the ship are the（）.

A.domestics
B.settlers
C.deeps
D.peaks

单项选择题The words PIPE，BUTT，TUN AND PUNCHEON all refer to（）.

A.the sizes of casks
B.various lengths of timber
C.structural shapes used in construction
D.viscosities of liquid cargoes

单项选择题The welds used to join shell plates in flush construction are known as（）.

A.butt welds
B.seam welds
C.fillet welds
D.continuous welds