In the
dozen of so truelighthouses in the colonies. Little over a century later,there were 700lighthouses.
The firstlighthouses erected on the west coast in the 1850's featured the same basic newEngland design:a Cape Cod dwelling with the tower rising from the center or
standing close by.In
eminences,enormoustowers were not the rule.Some were made of stone and brick,others of wood ormetal. Some stood on pilings or stilts;some were fastened to rock with
iron rods.Farthersouth from
majestic
Notwithstandingdifferences in appearance and construction,most American lighthouses sharedseveral features:a light,living quarters and sometimes a bell(or,later,a
foghorn).They alsohad something else in common. A keeper and usually,the keeper's family.Thekeeper' s essential task was trimming the lantern wick in order to maintain a
steady,brightflame.The earliest keepers came from every walk of life;they wereseamen,farmers,mechanics,rough mill hands and appointments were often handedout by
local customscommissioners as political plums.After the administration of lighthouses wastaken over in 1 852 by the
TreasuryDepartment,the keeper gradually became highly professional.
A.The first lanternwicks were developed there.
B.It was theheadquarters of the United States Lighthouse Board.
C.Many of thetallest lighthouses were built there.
D.The firstlighthouse in North America was built there.
[单选题]The FirstNavigational LightsIn the New World,navigational lights were proba
[单选题]The FirstNavigational LightsIn the New World,navigational lights were proba
[单选题]The FirstNavigational LightsIn the New World,navigational lights were proba
[单选题]The FirstNavigational LightsIn the New World,navigational lights were proba
[单选题]The Northern LightsThe Sun is stormy(狂暴的)and has its own kind of weather.It
[单选题]The Northern LightsThe Sun is stormy(狂暴的)and has its own kind of weather.It
[单选题]The Northern LightsThe Sun is stormy(狂暴的)and has its own kind of weather.It
[单选题]The Northern LightsThe Sun is stormy(狂暴的)and has its own kind of weather.It
[单选题]The Northern LightsThe Sun is stormy(狂暴的)and has its own kind of weather.It
[单选题]The Northern LightsThe Sun is stormy(狂暴的)and has its own kind of weather.It