职称英语理工类B级阅读判断专项测试及答案解析文档格式.docx

1、第一篇Dining CustomEvery land has its own dining custom, and the United States is no exception. Americans feel that the first rule of being a polite guest is to be on time. Ifa person is invited to dinner at 6：30, the hostess expects him to be there at 6：30 or not more than a few minutes after. Because

2、 she usually does her own cooking, she times the meal so that the coffee and meat will be at their best at the time she asks the guest to come. If he is late, the food will not be so good, and the hostess will be disappointed. When the guest can not come on time, he calls his host or hostess on the

3、telephone,gives the reason, and tells at what time he thinks he can come.As guests continue to arrive, the men in the group stand when a woman enters and remain standing until she found a chair. A man always rises when he is being introduced to a woman. A woman does not rise when she is being introd

4、uced either to a man or a woman unless the woman is much older.When the guests sit down at a dinner table, it is customary for the men to help the ladies by pushing their chairs under them.Even an American may be confused by the number of knives, forks, and spoons besides his plate when he sits down

5、 to a formal dinner. The rule is simple, however： use them in the order in which they lie, beginning from the outside, or watch the hostess and do what she does. The small fork on the outside on the left is for salad, which is often served with the soup. The spoon on butter spreader, on a small brea

6、d-and-butter plate at the left. As the bread is passed, each guest puts hispiece on the bread-and-butter plate.1. As a country of immigrants, the U.S. does not have its own dinning customs.A. RightB. WrongC. Not mentioned2. The guest is expected to arrive on time because the coffee and meat will be

7、at their best at the time he is required to come.3. A woman usually rises when she is being introduced to an aged gentleman.4. At a dinner table, it is customary for the men to arrange chairs for ladies.5. At formal American dinner, the knives, forks, and spoons besides the plate are placed in a cer

8、tain order.6. The right order to use the knives, forks and spoons at a formal dinner is from the left to the right.7. At a formal dinner, bread is usually served together with salad and soup.第二篇Computer MouseThe basic computer mouse is an amazingly clever invention with a relatively simple design th

9、at 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（上下移动文本） on the page with the newer mice with the wheel. Most of us use the computer mouse daily without

10、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 stil

11、l 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

12、 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

13、 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）mou

14、nted on either side. One LED sends a light beam to the LED on the other side. As the wheels spin （转） 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 lig

15、ht, 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 （光标） on the computer screen.So far we have only discussed the basic computer mouse that most of you probably hav