[阅读理解]The United States covers a large part of the North Ame

[阅读理解]The United States covers a large part of the North American continent.Its neighbors are Canada to the north and Mexico to the south.Although the United States is a big country,it is not the largest in the world.In 1964,its population was over 185 000 000.
　　When this land first became a nation,after winning its independence（独立）from England,it had thirteen states.Each of the states was represented（代表）on the American flag by a star.All these states were in the eastern part of the continent.As the nation grew toward the west,new states were added and new stars appeared on the flag.For a long time,there were 48 stars.In 1959,however,two more stars were added to the flag,representing the new states of Alaska and Hawaii.
　　Indians were the first people of the land which is now the United States.There are still many thousands of Indians now living in all parts of the country.Sometimes it is said that the Indians are "the only real Americans".Most Americans come from all over the world.Those who came first in greatest numbers to make their homes on the eastern coast of North America were mostly from England.
判断：Which is true?（ ）
（ A ）.The population of America is larger than that of any other country （B）.America covers most part of the North American continent.
为什么A对B错?

美国占北美大陆的很大一部分.它的邻国是 加拿大北部和墨西哥南部.虽然美国是一个 大国,它不是世界上最大的.1964,它的人 口超过185 000 000.在这片土地上首次成为一个国家赢得独立后 ,（独立）来自英格兰,只有十三个州.每 个国家的代表（代表）的明星美国国旗.所 有这些国家都在大陆的东部.作为国家向西 扩张,又增加了新的国家和新的星星出现在 国旗上.很长一段时间,有48颗星星.1959 ,然而,两颗星出现在国旗上,代表阿拉斯 加和夏威夷新的状态.印第安人是现在美国的第一人.仍然有许多 现在居住在全国各地的印第安人.有时人们 说印度人是“真正的美国人”.大多数美国人 来自世界各地.那些在人数最多的北美国东 部海岸让他们的家庭谁是第一名主要来自英 格兰.判断：哪个是正确的?（） （一）.美国的人口比任何其他国家（B）.美国覆盖了北美大陆的大部分.