英语阅读理解求答案Most office workers have to sit for long hours in f
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英语阅读理解求答案
Most office workers have to sit for long hours in front of a computer screen and this can lead to much eye discomfort.
One of the most common eye problems is visual fatigue.Its symptoms include blurred or double vision,burning or watering eyes and headaches.When working at a computer,people blink less frequently - about five times less than normal,according to studies.
Tears coating the eye evaporate more rapidly during long non-blinking phases and cause dry eyes,.Also,the air in many offices is dry,which can increase the evaporation rate of your tears,placing you at greater risk of dry-eye problems.
An effective way to relieve computer eye strain is to blink more - every 20 minutes blink 10 times by closing your eyes very slowly.This will help re-wet your eyes.Also,you should take frequent breaks from the computer.
According to a study conducted by the National Institute of Occupational Safety and Health of the US,discomfort and eye strain came down significantly when computer workers took four additional five-minute "mini-breaks" throughout their work day.
During your computer breaks,stand up,move about and stretch your arms,legs,back,neck and shoulders.
1.How many eye problems are mentioned in the passage?
A.2 B.3 C.4 D.5
2.Which of the following are the symptoms of visual fatigue?
a.blurred vision b.watering eyes c.less blinks d.dry eyes e.headache
A.abcd B.abe C.abcde D.cd
3.What causes eye problems?
A.Working in front of a computer screen
B.Water in offices evaporating quickly
C.More blinks
D.Long stay in front of a computer screen
4.What is the way to solve the problem?
A.To have long rests
B.To blink as frequently as possible
C.To take frequent breaks from a computer screen
D.To stand up and move about
Most office workers have to sit for long hours in front of a computer screen and this can lead to much eye discomfort.
One of the most common eye problems is visual fatigue.Its symptoms include blurred or double vision,burning or watering eyes and headaches.When working at a computer,people blink less frequently - about five times less than normal,according to studies.
Tears coating the eye evaporate more rapidly during long non-blinking phases and cause dry eyes,.Also,the air in many offices is dry,which can increase the evaporation rate of your tears,placing you at greater risk of dry-eye problems.
An effective way to relieve computer eye strain is to blink more - every 20 minutes blink 10 times by closing your eyes very slowly.This will help re-wet your eyes.Also,you should take frequent breaks from the computer.
According to a study conducted by the National Institute of Occupational Safety and Health of the US,discomfort and eye strain came down significantly when computer workers took four additional five-minute "mini-breaks" throughout their work day.
During your computer breaks,stand up,move about and stretch your arms,legs,back,neck and shoulders.
1.How many eye problems are mentioned in the passage?
A.2 B.3 C.4 D.5
2.Which of the following are the symptoms of visual fatigue?
a.blurred vision b.watering eyes c.less blinks d.dry eyes e.headache
A.abcd B.abe C.abcde D.cd
3.What causes eye problems?
A.Working in front of a computer screen
B.Water in offices evaporating quickly
C.More blinks
D.Long stay in front of a computer screen
4.What is the way to solve the problem?
A.To have long rests
B.To blink as frequently as possible
C.To take frequent breaks from a computer screen
D.To stand up and move about
abdc
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