I .............. a strange noise in the backyard.
noticed
appeared
wondered
performed
People with color- .............problems face many difficulties in everyday life
symbol
feature
difference
vision
The library had................ books on various subjects.
recognize
suffer
numerous
temporary
A beautiful rainbow started to ................. in the sky.
publish
press
insist
appear
Throat infections are quite ................ in children
precious
random
common
similar
There's no ................. between the two houses.They are the same.
difference
diverse
similarity
mistake
Who created the Ishihara test?
An Australian artist
A Chinese surgeon
A French scientist
A Japanese eye doctor
People with color-vision problems often cannot see...........and ..........clearly.
blue - yellow
black - white
red - green
pink - blue
The Ishihara test includes...............made up of dots.
mistakes
lines
circles
visions
Shinobu Ishihara published the Ishihara test in ......................
1970
1917
1809
1923
In the Ishihara test,on each page there is a circle made up of...................dots.
particular
numerous
common
incorrect
In the Ishihara test the dots appear in ..............colors and sizes.
similar
various
same
wrong
Seeing red and green ..............is the most common color-vision problem.
differently
incorrectly
correctly
variously
The Ishihara test was...........by a Japanese eye doctor.
appeared
pressed
created
noticed
There is a..................for the arrangement of the dots in Ishihara test.
technique
reason
vision
problem
The Ishihara test helps people to...........if they have color-vision problems.
find out
locate
create
appear
