第133页 - 译林版启东中学作业本八年级英语（上下册）

About 80% of them.

See the doctor.

①Doing eye protection exercises.②Spending more time outdoors.

They can wear special swimming glasses.

Easier.

I'm a Grade 8 student.I'm 15 years old and in good health.My favourite subject is science,I love nature

and I am interested in birds, I go to the wetlands to go birdwatching every year.Last year, I wrote a report

on rare birds and I also saw a bird show.

I'll be glad if I can join your club.You can call me on 0510-67876543 or email me at 87675689@qq.com.