四级练习2012.04.20
[audio]http://sound.yywz123.com/tingbbs/cet4/cet420120420.mp3[/audio]The state of Florida is best known for its beaches and swaying palm trees. But a good chunk of it is swampland. The famous Everglades, a slow-moving sheet of water full of plants and alligators, (1)___________________________.
To the north, the Okefenokee, which is partly in Florida and mostly in neighboring Georgia, is a true swamp, with its own gators and snakes and even beautiful orchids. The Okefenokee seems primeval. It was formed when waters from an ancient ocean receded and a mammoth sandbar blocked most of the water flow to the sea. (2)___________________________swamp.
There's no big city within 200 km, but tourists from all over the world manage to find it. They all want to know about its unusual name. Okefenokee is a Miccosukee Indian word meaning land of trembling earth. Way back in the swamp are small, floating islands, called hammocks, that one can walk across. And they tremble. Standing on them is like (3)___________________________.
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