People are born blind and deaf can exhibit laughter.

Blind, deaf and mentally ______ children are sent to special education schools </p></p>

Noise pollution can make people ___________________. A: blind B: lame C: deaf D: healthy

4.( ) Only the deaf appreciate hearing, only the blind realize many benefits that lie in sight.

Which of the following is not a disabled patient? A: Child patients B: Deaf and dumb patients C: Blind patients D: Psychotics

If one becomes deaf or blind in his adult life, he would thank the God for giving him a merry life for so many years.

Questions 19 to 21 are based on the passages you have just heard. A: The deaf people. B: The blind people. C: The dumb people. D: The autistic people.

中国大学MOOC: Helen Keller was the first deaf-blind person to earn a Bachelor of Arts degree.

When the blind man ate as much as the narrator and his wife did, the narrator thought A: The blind man was a big eater. B: The wife cooked a special dinner for the blind man. C: The blind man was as normal as him. D: The blind man was hungry after a long trip.

在PUBMED数据库中检索有关色盲的文献，以下哪个检索式不正确（） A: color and blind B: （color or colour）and blind C: colo？r and blind D: colour and blind