“如果总的看一看1861年俄国国家全部结构的改变，那就必然会承认，这种改变是封建君主制向资产阶级君主制转变的道路上的一步。不仅从经济观点来看是正面的，而且从政治观点来看也是正确的。”列宁的话的主要含义是（    ）

    Do you know what the White House is? Perhaps some of you do，while others don't.

    The White House is a house in Washington. The president of the U.S.A. lives in it. It's really white. But do you know why the White House is white? The story happened in 1812. That year England was at war with America. The British army got to Washington and set the president's house on fire. In 1814，in order to hide the marks of the fire，the stone walls of the president's house were painted white and it has been the “White House” ever since.