Unlike other creatures, who are shaped largely by their ------- environment, human beings are products of a culture accumulated over centuries, yet one that is constantly being ----- by massive infusions of new information from everywhere.

• 尽管几十年来对煤的气化进行了研究；但所积累起来的数据并不能直接适用于环境问题；因此；一个专门处理这些问题的新的研究项目就显得必要合理.