(6)Whatisthemosteffectivewaytousetheeyesduringnightflight?

发布于 2021-10-04 12:13:57

【单选题】
A Look only at far away, dim lights.
B Scan slowly to permit off-center viewing.
C Concentrate directly on each object for a few seconds.

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scsacsdacsd 2021-10-04

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