挑战习题
1/5单选题
难度:

1.

近视眼是由于(  )


A

眼球的前后径过长,或者晶状体的曲度过大

B

眼球的前后径过短,或者晶体状的曲度过小

C

视网膜损伤

D

视神经损伤

提示1:
PHA+6Kej562U5pe25Y+v5Lul5LuO6L+R6KeG55y855qE5oiQ5Zug44CB5oiQ5YOP54m554K544CB55+r5q2j5pa55rOV5pa56Z2i5p2l5YiH5YWlPC9wPg==
正确答案:QQ==
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