20世纪60年代的某国际组织在其宣言中说：“我们一开始就坚持反对集团政策和外国统治，反对一切形式的政治和经济霸权，而主张每一个国家拥有自由、独立和自主发展的权利。 我们从来不同意充当任何人的橡皮图章或后备军。”据材料可知，此国际组织是（  ）

阅读理解

B

       Do you remember when your grandma told you the story of Snow White? Ah, the happy days of childhood!

       But did you know that Snow White comes from Germany? It's just one story from the 209 in Grimm's Fairy Tales (格林童话). The Grimm brothers started to collect fairy tales in 1806. Their first book came out in 1812.

       Why are German fairy tales so interesting? Maybe it's because they come from a great place famous for its stories – the Black Forest.

       The Black Forest is in the southwest of Germany. It's a very large and beautiful forest of the country. It's famous for its trees and lovely views (风景). There are valleys (峡谷) and waterfalls there. It's a good place to start a story.

       Don't forget to bring something back if you visit. People there are good at making clocks, musical instruments (乐器) and watches.

下列各组数中，能构成直角三角形的一组是（　　）