本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
If the human eyeball is too long from front1zwlwcxrqd 80 ) 4ef8w to back, this gives rise4 c:rz(fmb jad8e/y,e to a vision defect that can be correce4dajy8 r(:mbe, /zf cted by using
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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Post time 2024-1-26 22:03:25