参考答案：战争并不像天气那样来去不受我们能力的控制。那种观点已经过时了。人类越来越大的破坏力使它成为21世纪我们所面临的首要问题。

解析：[听力原文]
War is not like the weather that comes and goes beyond our power to influence. That attitude is obsolete. The growing destructive capacities of humanity make this the prime problem of the twenty-first century.