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Passage 1体裁:说明文 主题:人与自我·身心健康与珍爱生命 词数:331 难度:★★★★ 建议用时:6分钟
[2023江苏泰州一模] These days, many people have to use a computer for hours every day.To prevent possible health problems, this guide offers some advice, in the form of questions and answers.
Q1:I know it would cause stress to the eyes if the viewing distance is too short.What is the recommended viewing distance?
A:The viewing distance between the operator's eyes and the screen should be around 35 to 60 centimetres for reading the text of normal font (字体) size.
Q2:Should I use a footrest for my computer work?
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A:A footrest is recommended if an operator cannot rest his or her feet on the floor.
Q3:I have to use a notebook computer all the time.I have developed some pains in my fingers and hands.What can I do?
A:The small size of the keyboard is likely to cause pains in fingers and hands.It is recommended that a larger, detachable (可拆卸的) keyboard be used if a notebook has to be used for long hours.
Q4:I suffer from burning eyes after working on the computer for a few hours.What should I do?
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A:To reduce eye strain, a short break (5~15 minutes) taken after one hour of continuous computer work is recommended.During the break, the computer user may get up and view faraway objects.
Q5:I often develop pains in my neck after using a computer for a long time.Would you recommend some simple physical activities?
A:You may repeat the following steps several times during a break.
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(1) Keep the arms relaxed at your side.
(2) Slowly drop your head forward to stretch (使舒展) the neck.
(3) Hold for 5 seconds.
(4) Turn the head to one side and hold for 5 seconds.
(5) Repeat for the other side.
(6) Swing (摆动) the head to the left and hold for 5 seconds.
(7) Repeat for the other side.
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1.This guide ma