从句可以还原的成 there is no life in this world,可以看出原来的成分缺少介词 in,
所以 应该是 The moon is a world in which there is no life .或 The moon is a world where there is no life .
从句可以还原的成 there is no life in this world,可以看出原来的成分缺少介词 in,
所以 应该是 The moon is a world in which there is no life .或 The moon is a world where there is no life .