科学界曾认为,质子、中子是构成原子核的最小的、不可分的基本粒子。毛泽东根据辩证法观点,在1955年提出“基本粒子”必定是无限可分的观点。之后物理学家发现了比质子、中子更小的夸克粒子。这一事例说明 ( )
--If we don’t do our best to reduce pollution, man’s history won’t last long. --_________.
He likes sports, ________ I’d rather play games on computers.
________ he is the last man I wanted to see, I did my best to help him.
He tried his best to solve the problem, ________ difficult it was.
Mo Yan was awarded the Nobel Prize for Literature in 2012, ________ made one of the Chinese people’s long-held dreams come true.