英语作文300字左右-计算机对儿童的影响
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英语作文300字左右-计算机对儿童的影响
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In modern society,computers have brought to the life of people a lot easier,but it also brings with it more worries and fears.Especially for those who are a long body again to computer with interest of the children,more time using computers can make their physical and mental crippled.
(a) computers to children of physiological cause damage
1.The waist injury
Children use computers because height and other factors,the waist often is in a tilted forward posture,maintain this pose for a long time,that will cause the child's waist injury.Children behaved for waist ache,lumbar muscle strain,etc.
2 the elbow injury.
Since keypad above work station,children often is in the wrist become warped on state,that is,back the ruthless.Wrist back when flexion wrist extensor muscles,continuous tense,can cause children elbow pain,hand
(a) computers to children of physiological cause damage
1.The waist injury
Children use computers because height and other factors,the waist often is in a tilted forward posture,maintain this pose for a long time,that will cause the child's waist injury.Children behaved for waist ache,lumbar muscle strain,etc.
2 the elbow injury.
Since keypad above work station,children often is in the wrist become warped on state,that is,back the ruthless.Wrist back when flexion wrist extensor muscles,continuous tense,can cause children elbow pain,hand