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Some of today’s most cutting-edge technology is now being used to help students with special needs. No longer just the province

admin2015-02-12  51
问题     Some of today’s most cutting-edge technology is now being used to help students with special needs. No longer just the province of games for "video needs", virtual reality has come into its own as a tool for special education teachers and therapists. As such, it is used for assessment, teaching, and practice, according to Skip Rizzo, research assistant/professor at the University of Southern California.
    For example, virtual reality has been used effectively to assess students’ depth perception, with the results being quite different from those obtained from traditional paper and pencil tests. It is also used to help students gain transition skills: Students with autism or developmental delay can visit a virtual supermarket, take public transportation, cross the street, or organize his or her day. Students in wheelchairs can learn how to navigate buildings. And the beauty is, these students can make any number of mistakes without endangering themselves.
    In fact, one of the biggest virtues of virtual reality is that it allows students to learn in a safe environment, and this holds true for students with behavior disorders. After a student has learned an appropriate behavior or way of controlling his or her anger, the student is put in progressively more difficult virtual social situations where he or she can practice the new technique. And it is expected that future teachers will be exposed to virtual classes, complete with "difficult students" to help them master behavior management techniques.
    Virtual reality even allows us to tailor the world to meet a child’s needs. Let’s say we’re teaching a child to cross the street by paying attention to traffic signs. Educators have found that it is often difficult for the child to locate the traffic sign in a busy environment. With virtual reality, we can blow up the "walk sign" so the student knows what it looks like. Then we gradually begin shrinking the sign and adding other environmental elements. Once the student has mastered this virtually, he or she transfers the knowledge to the real world. In the end, this is the most important function of virtual reality programs for special students.
This text mainly deals with______.
选项 A、the importance of using virtual reality in special education
B、the applications of virtual reality for special students
C、the advantages of virtual reality over conventional special education methods
D、the potential role of virtual reality in special education
答案B
解析 属主旨思想题。本题考查全文的中心思想。文章第一句指出“现在人们正在使用一些当代最前沿的技术帮助有特殊需要的学生”，紧接着指出这种技术就是虚拟现实。接下来的段落进一步补充说明虚拟现实技术对这些学生的帮助。第二段举例说明了虚拟现实的种种用途；第三段讲述了虚拟现实的各种好处；最后一段介绍了虚拟现实的进一步应用：它甚至还能让我们改变周围的世界以满足孩子的需求。由此可看出，全文都围绕着虚拟现实针对有特殊需要的学生的应用这一主题。因此，选项B为正确答案。其他选项A、C、D分别是文章第一、三、四段的中心，不能概括全文。
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