例句與造句

1. And in the answer lies one of the great unanswered questions for all the sciences : How did life begin?
2. Douglass also promoted the Great Controversy theme ( GCT ) as the conceptual key, the organizing principle that leads to an understanding of humanity s greatest questions : How did life begin?
3. At the top of the list of science's unanswered questions, like what is consciousness and how did life begin, is the deepest mystery of all : Why does the universe appear to follow mathematical laws?
4. It's difficult to find how did life begin in a sentence. 用how did life begin造句挺難的