LZ,测珠峰高度的争议题,我觉得应该选C。 理由是:说减少误差要carried in sea level to WITHIN five to twelve miles of Everest’s summit,DREASING the amount of air that light passed through on its way to their theodolites,注意这个WITHIN,DREASING是前一个动作的伴随,说明减少距离的目的或者结果是减少了AIR AMOUNT,那么增大距离就会增加AIR AMOUNT