1. (2022八下·哈尔滨月考) Now, about 2 billion people around the world are short-sighted(近视), according to a report from the University of New South Wales, Australia. We should ____ to protect our eyes.

① spend a lot of time watching TV

② do more outdoor activities

③ get an eye examination each year

④ eat more vegetables and fruit

⑤ lie in bed and read books