According to the passage, the scanner is like ______. The author wrote this passage in order to ______.

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问题 According to the passage, the scanner is like ______.
The author wrote this passage in order to ______.

选项 A、introduce a kind of reading machine
B、show the uses of computers
C、give advice for blind people
D、explain why the machine is important for blind people

答案A

解析 第一段讲电脑有许多用途,而The Kurzweil Reading Machine这种电脑有特殊的用途。第二段讲了它的构成。第三段讲了盲人如何使用这种电脑。最后一段讲了盲人喜欢它的原因。所以,作者写这篇文章的目的是介绍这种电脑。
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