概括大意與完成句子(第23～30題，每題1分，共8分)

　　閱讀下面這篇短文，短文后有2項測試任務：(1)第23～26題要求從所給的6個選項中為第1、3、4、6段每段選擇1個正確的小標題;(2)第27～30題要求從所給的6個選項中選擇4個正確選項，分別完成每個句子。請將答案涂在答題卡相應的位置上

　　Alaska

　　1　In 1868 Americans welcomed Alaska into the Union as the 49th state, symbolizing a change of attitude from that held in 1867 ,when the peninsula was purchased from Russia. Then, most Americans had little interest in 1,500,000 square kilometers “of icebergs and polar bears”―beyond Canada's western borders, far from the settled areas of the United States.

　　2　In those sections of the state which lie above the Arctic Circle, Alaska still is a land of icebergs and polar bears. Ice masses lie buried in the earth, which is permanently frozen to a depth of 90 or more meters. From early May until early August, the midnight sun never sets on this flat, treeless region, but the sun cannot melt the icy soil more than two-thirds of a meter down.

　　3　Alaska is America's largest state, but only about 325,000 people live there. According to estimates, 800,000 hectares of its land area are fit for plowing but only about 640,000 hectares are being cultivated.

　　4　Arctic Alaska has been the home of Eskimos for countless centuries. It is believed that the Eskimos moved there from Mongolia or Siberia, probably crossing Bering Strait, named for Vitus Bering, the Danish sea captain who discovered Alaska on his voyage for Russia in 1741. The Eskimos are the state's earliest known inhabitants. Russian fur traders established settlements but, by the time Alaska was sold to the United States, most of the traders had departed.

　　5　In 1896 gold was discovered near the Klondike River in Canada just across the Alaskan border. Thousands of Americans rushed to the region on their way to Klondike; some never returned. Alaska was never completely cut off again, although even today transportation is a major problem. There are only two motor routes from the U. S. mainland, and within the state, every town has its own airfield. Planes fly passengers, mail and freight to the most distant villages.

　　6　The gold that changed life so suddenly for Alaska was soon ended, and although many stories about mining camps have become part of American literature, the gold from Alaskan earth contributed less to economic progress than the fish from Alaskan waters. The fish caught in a single year range in value from $ 80 million to $ 90 million. Fur-bearing animals are plentiful in the forests and streams, and valuable fur seals inhabit the waters. After fishing, the state's chief industry is lumber and the production of wood pulp. In recent years, Alaska's single most important resource has become oil. The state also has large deposits of coal, copper, gold and other minerals.

　　23　Paragraph 3 _________

　　24　Paragraph 4 _________

　　25　Paragraph 5 _________

　　26　Paragraph 6 _________ A　Rich resources of the state

　　B　Connections with the outside world

　　C　Transportation problem

　　D　The natives of the land

　　E　Cold climate

　　F　Land and population

　　27　For as long as three months of a year, the sun _________on the ice-covered land of Alaska.

　　28　According to statistics, _________of the total area of Alaska has been used for farming.

　　29　Alaska was originally part of Russia, but was bought _________

　　30　Gold did not bring to Alaska as much wealth _________ A　as fish does

　　B　because of its rich natural resources

　　C　by the United States in the 19th century

　　D　shines day and night

　　E　only a very small percentage

　　F　a limited amount of the gold found there

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