GRE Text Completion: JiJing 1373-GRE填空机经1373题 - FDJ_IUGOAX7HD05NA

Standard thermal evolution models of giant planets employ initial conditions that are, to some extent, arbitrarily chosen, selected more for computational expediency than for physical accuracy. Since eventually the initial conditions (i)____________ the evolving planet, this approach is more (ii)____________ for mature planets than it is for young planets. A. become irrelevant to B. involved C. are recreated by D. unpredictable E. enforce constraints on F. valid