本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 国际高中通用物理
[单选题]
If the human eyeball is too long from f ,7 i+luqk7 xr8,mbjhlront to back, this gives rise to16/tnfj 21ajm93al 9b (krkzbjb2wdj a vision defect that can be corrected by usin2 bdr1 ta a9jfbzjlkk(62bj n3/9j wm1g
A. convex meniscus eyeglasses.
B. concave meniscus eyeglasses.
C. cylindrical eyeglasses.
D. contact lenses, but no ordinary lenses.
E. shaded glasses (i.e., something that will cause the iris to dilate more).
参考答案: B
本题详细解析:
暂无
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