1.What kind of publication was the report published in?
a) a book
b) a newspaper
c) an in-flight magazine
d) a journal
2.What is the medical name for short-sightedness?
a) myriad
b) myopia
c) bipolar
d) bionic
3.How many people will be short-sighted by 2050?
a) around 4.9 billion
b) around 4.6 billion
c) around 4.3 billion
d) around 4.8 billion
4.When was it that 15% of the Chinese population was short-sighted?
a) in the 1600s
b) 1600
c) 60 years ago
d) 16 years ago
5.In which country are almost 95% of teenagers near-sighted?
a) Bolivia
b) Angola
c) China
d) South Korea
6.What could researchers not pinpoint regarding this phenomenon?
a) exact terms
b) figures
c) definite reasons
d) numbers
7.What has decreased because of lifestyle changes?
a) time spent outdoors
b) eyeballs
c) the outdoors
d) inside
8.What is Sarah Zhang's job?
a) dentist
b) ophthalmologist
c) journalist
d) researcher
9.When do people particularly need to spend time outside?
a) lunch times
b) in early childhood
c) at night
d) in the morning
10.How many hours did the co-author say people should spend outside?
a) 2
b) 3
c) 4
d) 5