高三英语同步课程
《完形填空之词语辨析》麻雪玲
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The United States covers a large part of the North American continent. 36 neighbours are Canada to the north, and Mexico 37 the south. Although the USA 38 a big country, it is not the largest in the World. In the year 2000, its 39 was over 280,000,000.
When this 40 first became a nation, after 41 its independence from England, it had thirteen states. 42 was represented on the American flag by a 43 . All the states 44 in the eastern part of the continent. As the nation grew towards the 45 , new states were added and new stars 46 on the flag. For a long time there were 48 states. In 1959, however, two 47 stars were added to the flag, representing the new states 48 Alaska and Hawaii.
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