求下列英语句子的精确翻译1.Experts inevstigated the possibility of radioa

求下列英语句子的精确翻译
1.Experts inevstigated the possibility of radioactive leaks at a nuclear power plant a day after a powerful earthquake struck Japan's northwestern coast.
2.Albert Einstein once said that it was the supreme art of the teacher to awaken joy in creative expression and knowledge.
3.For instance,they cherish the memory of how the mystery of the eternal triangle is solved but do not remeber a single sentence in the story and cannot tell what preposition is used before or after a certain world in the speech of a certain character.