材料一  （克里米亚战争时，俄国人说）文明现在正以它的力量反对我们，我们已为与文明的这场斗争做什么准备了吗?我们不能以我们所有广阔的土地和无数的人口来对付这场斗争。当我们谈论反对拿破仑的光荣战役时，我们忘记了自那时以来，欧洲一直在进步的道路上稳步前进，而我们却一直停步不前。我们不是在走向胜利，而是在走向失败，我们唯一得到的一点安慰是，俄国将通过这一经历学到今后对它的发展有用的一课。

——（美）斯塔 夫里阿诺斯《全球通史》

       材料二1861年2月19日在许多历史著作中，将这一天定为俄国经济史上的两个时期的分界线，即有时不严格地称之为“封建主义”和“资本主义”。有一点是确信无疑的，许多同时代的人，普遍坚持认为解放农奴是迟早的事，是一定要发生的。

——《剑桥欧洲经济史》第6卷

       材料三 十九世纪后期，俄国一批平民知识分子，走上民主革命的道路，他们自称人民的“精粹”，形成俄国的民粹派，其中的一部分人在七八十年代对亚历山大二世展开不断的追杀。1881年，这位“解放者”被炸 弹炸死。

——摘自人民版教科书

       请回答：

B)根据于古号内的要求完成下列各题，每空一词 (含缩略形式)。

阅读下面短文，从短文后各题所给的四个选项（A、B、C、D）中,选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

    Walt Disney was born on December 5, 1901 in Chicago Illinois while he lived most of his childhood in Marceline, Missouri.

    Since young, Walt showed great 1 in art. He would often sell drawings to neighbors to make 2 money. Though his father could be quite 3, and often there was little money in the family, Walt was 4 by his mother, and older brother to 5 his attention on what he loved deeply.

    In 1918, Disney 6 to enter the army. However, he was 7 because he was under age, only 16 at the time. 8, Walt joined the Red Cross and was 9 to France, where he spent a year driving an ambulance(救护车).His ambulance was 10 not with army camouflage(伪装),but with Disney cartoons.

    Once Walt 11 from France to America, he started a small company which finally 12 to be a failure. With twenty dollars, Walt  13 for Hollywood to try his luck. After making a  14 of his “Alice Comedies”, Walt became a(an) 15 Hollywood figure. In 1932, Flowers and Trees(the first color cartoon) 16 Walt the first of his studio's Academy Awards. His dream of a clean, and organized amusement park  17 as Disneyland Park opened in 1955.

    Walt Disney is a hero of the 20th century. His worldwide popularity was 18 on the ideals(标准): imagination, creation and self-made success in the American 19. He brought us closer to the future 20 telling us of the past. It is certain that Walt Disney is a great man.

若三位数$\stackrel{-}{abc}$被7整除，且a,b,c成公差非零的等差数列，则这样的整数共有（  ）个。