专题复习四 词语运用A根据短文内容及所给提醒,在文中的空白处填写一种对的的单词
Nowadays, you can see many people busy on their smart phones(智能手机) if you look 1
a______.To be honest, smart phones make our lives 2
________(easy).But have you ever 3
________(think) about what they mean to your eyes
Staring at smart phones for a long time 4
________(give) you dry eyes and even causes a disease(疾病) 5
c______ glaucoma(青光眼).While you're probably not going to stop 6
________(use) them,there are a few things you can do to protect your 7
________(eye).Hold your smart phone at least 30 cm away 8
________ your eyes when using it
Take a break every hour and try the following: look at something at 9
________(little) 5 met ers away from you and then focus 10
________ the tip of your nose
Repeat this some times
It should reduce(减少) the d