B
Myopia(近视)in Children
How do children get myopia
If a child spends 7+hours a week on
computers or mobile phones,he may
have myopia.
Fewer outdoor activities increase(增加)
the risk of getting myopia.
Parents who have myopia may have a
myopic kid.
How many children have myopia
14.5%of the
53.6%of the children in China.
810%of the senior
children under 6
had myopia in 2018.
high school students
36.0%of the primary
71.6%of the junior
school students
high school students
At least 2 hours of outdoor activities every day.
20/20/20 rule when using the computer or mobile
phone:Every 20 minutes,look at something 20 feet
away for 20 seconds!
Get enough sleep.
46.Which can show the change in the number of myopic children as they grow
A
B.
D
47.Which of the following can be put in“▲_"？
A.Where should children have fun
B.Why should children do sports
C.When should children read
D.What should children do
48.How many hours should children play outside every day
AAt least 120 minutes.
B.At least 90 minutes.
C.At least 60 minutes.
D.At least 20 minutes.
