进化论的建立者是          ____，他提出人类和类人猿的共同祖先是       _____。它的生活环境是             ，现在类人猿仍过着           __ 的生活。

You can help your body by drinking water when you're thirsty _____ drinking extra water when it's warm out. [ ]

A. but

B. while

C. or

D. and