标题: 请教一道老题：GWD3-Q10 这个 it...... [打印本页] 作者: christdj 时间: 2011-7-4 02:44 标题: 请教一道老题：GWD3-Q10 这个 it...... GWD3-Q10: Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities. A is reflective, so that little polar ice melts during the summer; otherwise, B is so reflective that little of the polar ice melts during the summer; were it to do so, C so reflective that little polar ice melts during the summer, or else D reflective, so that little of the polar ice melts during the summer, or E reflects so that little of the polar ice melts during the summer; if it did
当时做题的思路是： be so ...and _______那么预期横线上应该是 be so ...that 因此B就感觉很舒服 但是最后那个 it 指代什么呢