本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
The closest distance at which an eye cay+9.vo 5qwmn * c,3yfaxc0u svn see objects cleaivgjds:/:q6vv j8 ivt9u tg2/ rly is
A. the near point.
B. the far point.
C. nearsightedness.
D. farsightedness.
参考答案: A
本题详细解析:
暂无
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Post time 2024-1-26 22:03:25