单选题
交通银行
2015-12-10
Snow-blindness may be avoided by_________.
A． concentrating to the solid white terrain
B． searching for something to look at in snow-covered terrain
C． providing the eyes with something to focus on
D． covering the eyeballs with fluid
参考答案
C
答案解析
根据第二段可知，雪盲症的发生最根本的原因是茫茫雪原上没有除了白色以外的颜色
可以看到．因而眼睛疲劳，因此提供可以聚焦的物体是根本预防办法，故选C。
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