Having two eyes, instead of one, is particularly useful for ______.
A. seeing at night
B. seeing objects far away
C. looking over a wide area
D. judging distances
正确答案：D
42．答案为D此考题为细节题根据文章第5段第1句Havingtwogoodeyesisimportant
forjudgingdistances便可以旨定D正确
