Take a break every h____ and try the following: look at something at least five meters away from you and then focus on the tip of your nose. Repeat this several times. It should reduce(减少) the discomfort in your eyes.
答案
our
知识点：名词的用法
根据语境，此题表达的意思是“每小时休息一会儿，试试下面的方法：看看五米之外的东西，然后眼睛聚焦于鼻尖。重复几次能减轻眼部的不适”。每小时every hour，因此正确答案是hour。
略
WORD格式（
