A) diverting their interest from electronic visual games
B) prescribing medications for their temporary relief
C) creating more stimulating activities for them
D) spending more money on their entertainment
第3题
纸张施胶的作用是
A、保证书写时墨迹不易扩散
B、提高纸张的白度
C、提高纸张的强度
D、纸张吸墨性好,不透明度高
E、使纸面均匀、平整、光滑
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