064慢速英语字幕.doc

64 荂菴假馨伈?腔傖秪煦昴 EXPLORATIONS - September 5, 2001: Indiana DunesBy Jerilyn Watson VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember with the VOA Special English program, EXPLORATIONS. Today we tell about the Indiana (1)Dunes. These hills of sand are not far from Chicago, Illinois. They rise on the (2)shores of Lake Michigan, one of Americas Five Great Lakes. ((THEME)) VOICE ONE: Millions of people visit the sand hills in the Middle Western state of Indiana each year. The winds along Lake Michigan created some of these dunes in (3)ancient times. Other dunes may be building right now. The winds create dunes when they drop (4)loose sand onto land. Some dunes look partly round. Others take the form of long, (5)narrow hills. Visitors from all over the world (6)explore the Indiana dunes area. They swim and sail in the lake. They watch birds in the (7)wetlands. They study plant life in the rich forests of oak trees and (8)maple trees. The smooth sands of the dunes and lakeshore make a clear musical sound when people walk on them. Some of these sounds can be heard ten meters away. Visitors often say that the sand dunes sing. VOICE TWO: The Indiana state government and the federal government control more than six thousand (9)hectares of land along the lake. They operate parks with visitors areas and scientific research stations. (10)Supervision by these agencies (11)guarantees that the land will always belong to the public. Laws protect the plants, animals, and natural and historical points of interest. During the twentieth century many people worked hard to save the dunes from development for industrial and port uses. This was not easy. The land along that area of Lake Michigan is extremely valuable. Some of the land provides important lake ports. Industries like Bethlehem Steel, Midwest (12)Steel and Indianas natural-gas company also operate along the lake. VOICE ONE: In the early Nineteen-Fifties some companies were removing five tons of s