1. (2022九上·哈尔滨期末) As teenagers, we are supposed to protect our eyes from nearsightedness（近视）. We should ______ to keep getting away from near-sighted.

① read in poor light

② take a break after studying for two hours

③ do eye exercises every day

④ read short messages in dark

⑤ read books with a doctor-suggested gesture（姿势）