5.水将对生命发展有关键作用在当时并不明显.
It was notimmediately obvious that water was to befundamental to the development of life.
分析 immediately obvious,fundamental
解答 immediately obvious,fundamental
分析句子的结构可知,本句中的it为形式主语,that引导的为一个主语从句;根据句子的意思可知,主句中的表语应该是obvious,用副词immediately修饰,说明效果;从句中的表语应该是fundamental意为"基本的,根本的,重要的".
点评 翻译题在解题时首先要确定好句子的时态,然后要把握好短语表达,最后要注意句子结构.