单项选择题 Don’t rule out the caprices in the spirit; a time of great transformations requires that we be no less than utterly______in our approach to decision-making.

单项选择题 His______of the assigned pages was itself a much too lengthy summary; by all accounts, if he wishes to succeed by the standards of succinctness and concision, he must learn to restrain his______.

单项选择题 The author would regard the idea that the universe inhabits a spherical geometry as（）