What enables some people to get big creative breakthroughs while others only get small and non-creative breakdowns, blaming themselves and society? Are some people "gifted"? Are there other factors __21__work--factors that we have more control over than we think?
While nobody can deny the __22__ that some people seem to be blessed with particular creativity, research shows that anyone can __23__ their chances of coming up with new and original ideas __24__ they would only engage themselves more in the process of __25__. It' s the old Thomas Edison thing about "discovery__26__ 99 percent perspiration (汗水) and 1 percent inspiration. " __27__ , the studies prove this:great creative breakthroughs usually happen only __28__ intense periods of struggle. It is sustained effort towards a specific goal __29__ eventually prepares for great creative insights.
This kind of sustained effort does not always __30__ immediate results, a fact that not only separates the innovators (革新者) from non-innovators, but __31__leads some people to conclude that it is just not __32__ for them. "Maybe I should have gone to medical school like my mother wanted," they wonder when the breakthrough is __33__ to be found. Alas, one forgets during inevitable encounters __34__self-doubt,that the big surprise is never __35__. Indeed,it can happen at any time and place.
21.______
A.to B.in C.at D.by