_____ you are blind, you will not miss the astonishing changes taking place in Shanghai.
A.Although
B. If
C. Since
D. Unless
A.Although
B. If
C. Since
D. Unless
This piece of music was composed by a very famous blind (music) ______.
A.constructed
B.devised
C.built
D.arranged
A.blankets
B.blind
C.black
D.blanks
B.turning
C.being turning
D.turned
Which of the following is TRUE?
A.The honey-bee is blind to red.
B.Man is more color-conscious than the honey-bee.
C.The honey-bee can see far more colors than man.
D.Man is sensitive to the ultraviolet.
Which form. other than era4 speech could be most commonly used among blind people?
A.Picture signs.
B.Braille.
C.Body language.
D.Signal flags.
作母亲的有时候不能察觉她们所深受的孩子们的过错,这样做的结果会使孩子们再次犯错。(to be blind to)
ORBIS aims to help the blind by______.
A.teaching medical students
B.training doctors and nurses
C.running flying hospitals globally
D.setting up non-profit organization
One is considered as a color blind man if_____.
A.he can see the difference between red and deep red
B.he can see the difference between blue and green
C.he can't tell the difference between orange and green
D.he thinks green is the same as blue