(一)
(2019年安徽省合肥市巢湖市高考英语3月模拟)
People with colour blindness can't see colours in a normal way.Colour blindness 1.________ (affect) approximately 1 in 12 men and 1 in 200 women in the world.
There are various causes of colour blindness.For the majority of colourblind people, the condition is something they have from 2.________ (bear), although some people get it later in life because of diseases.
Most colourblind people can see things as clearly as other people, but 3.________ are unable to fully “see” red, green or blue light.There are different types of colour blindness and there are extremely rare cases 4.________ people are unable to see any colour at all.The 5.________ (common) form of colour blindness is red/green colour blindness.Although 6.________ (know) as red/green colour blindness, the form of colour blindness doesn't mean sufferers 7.________ (mere)mix up red and green.It means they mix up all 8.________ (colour) that have some red or green as part of the whole colour.
The effects 9.________ colour blindness can be mild, moderate (中等的) or severe.Approximately 40% of colourblind people are even unaware that they're colourblind.Statistically 10.________ (speak), most people with a moderate form of red/green colour blindness can only identify 5 coloured pencils from a standard box of 24 pencil crayons.