Question: 德国什么时候成为联合国成员的
Answer: 1973-09-18; 1973-09-18; 09 18 1973; 18/09/1973; 09-18-1973; 1973 september, 18; 1973 九月 18; 09/18/1973; 18-09-1973; 1973 09 18; 18 09 1973; 18 九月 1973