05职称英语卫生ab考试模拟题(4).docx

05 职称英语卫生 AB 考试模拟题 (4) 难度A级 Education of Students with Vision Impairments This is specially designed education for children who are either partially sighted or blind ． Vision impairments are diagnosed by medical doctors who examine the physical structures in the eye and evaluate the childs ability to see shapes of different sizes at various distances ． In the United States ， approximately 12 out of l,000 children receive some form of special education because of visual impairments ． Partially sighted children may use a variety of adaptive aids to see more clearly and to read printed text ．These aids include magnifiers ， which may be attached to eyeglasses ；electronic systems for enlarging print and making it easier to see; and large-print books ．Blind children usually are taught to read Braille ， a system of raised dots embossed on paper and read by touch. In the past ， turning conventional books into pages of Braille was very time-consuming, and the large books required enornlous storage areas ．However, most Braille texts are now done electronically. Many students read paperless Braille with the aid of machines that mechanically raise the dots in a small panel as the reader progresses through the text ． Because Braille cannot be read very rapidly ， many blind students prefer to listen to books being read on tapes ．Some students also use reading machines equipped with cameras that scan lines of print ，which computers then convert to synthesized speech ． Many blind and partially sighted children receive orientation and mobility training as a part of their education ． Specialists teach them how to travel independently in their schools and communities ， often with an aid ，such as a cane ． Most children with vision impairments are educated in schools within their communities ． Vision specialists may provide special materials and equipment ，help teachers and classmates understand the childrens condition ， and possibly provide additional instruction ．The specialists may a