英美概况.ppt
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1、The United States of AmericaAn Introduction1.Names1.The United States of America2.Abbreviated as The United States;3.America;4.US;5.the States.1.Relative LocationLocation:North America,bordering both the North Atlantic Ocean and the North Pacific Ocean,between Canada and Mexico Area:total:9,826,630
2、sq km land:9,161,923 sq km water:664,707 sq km Geography-note:worlds third-largest country(after Russia and Canada)note:includes only the 50 states and District of Columbia Area-comparative:about one-half the size of Russia;about three-tenths the size of Africa;about one-half the size of South Ameri
3、ca(or slightly larger than Brazil);slightly larger than China;about two and one-half times the size of Western Europe The maximum width of the conterminous 48 states is 4421 km.The maximum length measured from the vicinity of Brownsville,Texas,due north to the Canadian border is 2572 km.5).Populatio
4、n:Population:301,139,947(July 2007 est.)Life Expectancytotal population:78yearsmale:75.15yearsfemale:80.97years(2007est.)Landboundaries:total:12,034 km border countries:Canada 8,893 km(including 2,477 km with Alaska),Mexico 3,141 km note:Guantanamo Naval Base is leased by the US and thus remains par
5、t of Cuba Languages:English 82.1%,Spanish 10.7%,other Indo-European 3.8%,Asian and Pacific island 2.7%,other 0.7%(2000 census)note:Hawaiian is an official language in the state of HawaiiLiteracy:definition:age 15 and over can read and write total population:99%male:99%female:99%(2003 est.)Coastline:
6、Coastline:19,924 km ThreeBroadregions 1.The Atlantic Seacoast West of the Appalachians;2.The Mississippi River Basin;3.The Rockies West to the Pacific.1.The Atlantic Seacoast West of the AppalachiansA.The coastline is broken by many excellent harbors that were once important centers of commerce and
7、trade in the early days of the country.B.The Middle Atlantic States:New York,New Jersey,Pennsylvania,Maryland,Delaware,and West Virginia.C.Three important rivers in this region:the Husdson,the Delaware and the Susquehanna.D.The Appalachian Mountains.2.The Mississippi River BasinA.The Mississippi Riv
8、er Basin which is between the Appalachian and the Rockies is one of the largest areas of flatland in the world and takes up half of the United States.B.Mississippi is about 6400 km.C.The northeastern part is called the Midwest,or the Meddle West.3.The Rockies West to the PacificA.Rock mountains=the
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