2014年職稱英語綜合類B級練習題:閱讀判斷

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　　第3部分：閱讀判斷。下面的短文后列出了7個句子，請根據(jù)短文的內(nèi)容對每個句子做出判斷：如果該句提供的是正確信息，請選擇A;如果該句提供的是錯誤信息，請選擇B;如果該句的信息文中沒有提及，請選擇C。

　　Computer Mouse

　　The basic computer mouse is an amazingly clever invention with a relatively simple design that allows us to point at things on the computer and it is very productive. Think of all the things you can do

　　with a mouse like selecting text for copying and pasting, drawing, and even scrolling on the page with the newer mice with the wheel. Most of us use the computer mouse daily without stopping to think how it works until it gets dirty and we have to learn how to clean it. We learn to point at things before we learn to speak, so the mouse is a very natural pointing device. Other computer pointing devices include light pens, graphics tablets and touch screens, but the mouse is still our workhorse.

　　The computer mouse was invented in 1964 by Douglas Englehart of Stanford University. As computer screens became more popular and arrow keys were used to move around a body of text, it became clear that a pointing device that allowed easier motion through the text and even selection of text would be very useful. The introduction of the mouse, with the Apple Lisa computer in 1983, really started the computer public on the road to relying on the mouse for routine computer tasks.

　　How does the mouse work? We have to start at the bottom, so think upside down for now. It all starts with the mouse ball. As the mouse ball in the bottom of the mouse rolls over the mouse pad, it presses against and turns two shafts. The shafts are connected to wheels with several small holes in them. The wheels have a pair of small electronic light-emitting devices called light-emitting diodes(LED) mounted on either side. One LED sends a light beam to the LED on the other side. As the wheels spin and a hole rotates by, the light beam gets through to the LED on the other side. But a moment later the light beam is blocked until the next hole is in place. The LED detects a changing pattern of light, converts the pattern into an electronic signal, and sends the signal to the computer through wires in a cable that goes out of the mouse body. This cable is the tail that helps give the mouse its name. The computer interprets the signal to tell it where to position the cursor on the computer screen.

　　So far we have only discussed the basic computer mouse that most of you probably have or bare used. One problem with this design is that the mouse gets dirty as the ball rolls over the surface and picks up dirt. Eventually you have to clean your mouse. The newer optical mice avoid this problem by having no moving parts.

　　16. Most computer users want to know how the computer mouse works.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　17. According to the author, general computer users need not to know how the computer mouse was invented.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　18. The computer mouse derives its name from the cable that goes out its body, which looks like the tail of a mouse.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　19. The key components of a computer mouse are the two LEDs.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　20. When an ordinary computer mouse gets dirty, it has to be replaced with a new one.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　21. The most durable computer mice on sale are the IBM ones.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　22. The optical mouse is superior to the basic one in that the former has no moving parts.

　　A. Right

　　B. Wrong

　　C. Not mentioned

　　參考答案：

　　16.B【解析】句意：大多數(shù)計算機用戶都想知道鼠標的工作原理是什么。

　　根據(jù)第一段第三句可知，大多數(shù)計算機用戶天天用計算機，卻沒有想到要了解一下鼠標的工作原理……。由此可見此題是“錯誤”的。

　　17.C【解析】句意：作者認為一般的計算機用戶不需要了解鼠標是如何發(fā)明的。

　　由第二段可知作者只介紹了鼠標的發(fā)明者和發(fā)明時間，并沒有介紹計算機用戶需不需要了解鼠標是怎么發(fā)明的。所以此題是“未提及”的。

　　18.A【解析】句意：電腦鼠標的命名得自于鼠標主體拖出的一根看上去像鼠尾巴的電線。

　　根據(jù)第三段倒數(shù)第二句、第三句可知是the tail that helps give the mouse its name。由此可見此題是“正確”的。

　　19.A【解析】句意：鼠標的主要部件是二極管。

　　根據(jù)第三段可知，鼠標的部件有滾動部件如滾球、光電裝置如二極管等。二極管將光信號轉(zhuǎn)換為電信號，傳送到計算機，計算機根據(jù)收到的電信號作出相應的反應，因此，二極管是鼠標的主要部件。因此此題是“正確”的。

　　20.B【解析】句意：一個普通鼠標被用臟了，就必須更換新的。

　　根據(jù)第一段第三句可知，鼠標臟了，我們必須了解怎么清理它。最后一段倒數(shù)第二句也說到，滾球鼠標臟了，可以擦干凈再用。由此可見此題是“錯誤”的。

　　21.C【解析】句意：目前市場上出售的最耐用的鼠標是IBM生產(chǎn)的。

　　由于文中并未提及任何有關IBM的信息，所以此題是“未提及”的。

　　22.A【解析】句意：光電鼠標比普通鼠標要好，因為它沒有滾動部件。

　　最后一段說到光電鼠標沒有普通鼠標的滾動部件，不會吸附灰塵，不用擦，是一種新型的鼠標。由此可知此題是“正確”的。