俄国十月革命走的是由中心城市武装起义再扩大到全国中小城镇和农村的道路。形成这一特点最重要的原因是（）

材料一： 所有成年男子都有选举权；进行无记名投票；平等选区；评论员选举废除财产资格要求；议员应有报酬；议员每年六月进行大选。---《人民宪章》

材料二： 让统治阶级在共产主义革命面前发抖吧。无产在这个革命中失去的只是锁链，他们获得的将是整个世界。---《共产党宣言》

材料三： 起来，饥寒交迫的奴隶；起来，全世界受苦的人！满腔的热血已经沸腾，要为真理而斗争。---《国际歌》

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    Every people uses its own special word to show its ideas and feelings. Some of these expressions（表达，说法） are commonly used for many years. Others are popular for just a short time. One such American expression is “Where's the beef?” It is used when something is not as good as it is said to be. In the early 1980s “Where's the beef?” was one of the most popular expressions in the United States. It seemed as if everyone using it at the time.

    Beef, of course, is the meat from a cow, and food is more popular in America than a hamburger made from beef. In the 1960s a businessman named Ray began building small restaurants that sold hamburgers at a low price. Ray called this “McDonald's”. Ray became one of the richest businessmen at last in America.

    Other business people watched his success. Some of them opened their own hamburger restaurants. One company called “Wendy's” said its hamburgers were bigger than those sold by McDonald's or anyone else. The Wendy's Company began to use the expression “Where's the beef?” to make people know that Wendy's hamburgers were the biggest. The Wendy's television advertisement showed three old women eating hamburgers. The bread that covered the meat was very big, but inside there was only a bit of meat. One of the women said she would not eat a hamburger with such a little piece of beef. “Where's the beef?” she shouted in a funny way. The advertisement for Wendy's hamburger restaurants was success. As we said, it seemed everyone began using the expression “Where's the beef?”.