A:定时休息,使用1小时休息10分钟左右
B:合理控制显示器亮度和对比度
C:室内照明光线不要直接照在屏幕上
D:适当眨眼,保持眼睛湿润
=____, =____.
Sara didn't feel well this morning. She decided ________ to the park with her sister.