In science, not all errors are (i)_____: historians have unearthed a number of instances in which an incorrect idea proved far more (ii)_____ than thousands of others that were trivially mistaken or narrowly correct. These are the (iii)_____ mistakes: errors that touch on deep, fundamental features of the world around us and prompt further research that leads to major breakthroughs. Mistakes they certainly are, but sciences would be far worse off without them.
答案：C,E,I