阅读理解。 Computers have many uses today. Computers can solve difficult problems and control other machines. Many people use small computers called calculators(计算器) to solve simple math problems quickly. Scientists use large computers to solve many problems at the same time. You can play games with computers, and some computers can help you learn languages. The Kurzweil Reading Machine is a special kind of computer. It can read books for blind people. To use the Kurzweil machine, a blind person can simply open the book and put it down on the scanner(扫描器). The machine 'reads' the words on the page. When one page is finished, the blind person turns the page and puts the book on the scanner again. The Kurzweil machine can read in a normal voice or in a special fast voice. It can read words with small letters and large letters. Blind people like the Kurzweil machine because they can 'read' anything with it: newspapers, magazines, books, even typed letters. Many libraries now have Kurzweil machine for blind people to use. The Kurzweil machine can also help shortsighted children learn to read. 1. What can Kurzweil Reading Machine do? A. Solve many problems at the same time. B. Play computer games with people. C. Help people learn language. D. Read the words on the paper. 2. The underlined word 'it' (in paragraph 2) refers to _____. A. the book B. the scanner C. the Kurzweil machine D. the blind 3. What is the main idea of the second paragraph? A. How computers work. B. How to use a Kurzweil machine. C. How to use the scanner. D. The Kurzweil machine can read in two voices. 4. Which of the following is TRUE? A. Computers can solve all the problems people can't do. B. Calculators are used for solving many problems at the same time. C. When using the Kurzweil machine, a blind man needn't do anything. D. The Kurzweil machine can help not only the blind people but also the shortsighted children.