写一封证明信,证明某人在你出任簿记员(bok- keeper)三年,任职期间工作努力,忠于职 守和诚实可靠。 Key to the Exercises Text A PRE-READING TASK (Suggested Answer) 1. Computers are already widely used in industry and in universities. They are capable of doing extremely complicated work in all branches of learning They can solve the most complex math problems or put thousands of unrelated facts in order. Computers could also be plugged into a national network and be used like radios. By means of tiny computerized translating machines, people from different parts of the world are able to talk to each other or to read foreign publications without much difficulty In hospitals where computers are used, diagnosis becomes quicker and more accurate. Computers can even write out prescriptions. Computers are the most efficient assistants man has ever had and there seems to be no limit to the way in which they can be used to improve our lives 2. Refer to"Text-related Information" In addition to the changes mentioned in the passage, people will see many other extraordinary changes as well when the new era is upon us. Whether in the home, the workplace or outer space, many of such changes will be of the sort that seemed unthinkable only a few years go--cars that can spot their own parking places, house-hold appliances that talk back, factories in orbit and computers powered by protein cells, to name just a few WHILE-READING TASK What may the following paragraphs tell us about? The following paragraphs may tell us some future miracles of computers AFTER-READING TASK Reading Comprehension Exercise 2 1.D2.B3.A4.B5.C Exercise 3 I.T2.T3.F4.T5.F Experiments or facts Predictions of the future Electronic banking and shopping Banking and shopping from home computer terminals Devices for the disabled Near-normal brain for the disabled People with limited ability to move around Working at home Robots in the General Motors plant in Some dangerous or difficult tasks performed Newark Delaware by the computerized robots Silicon microchips New generation of computers with Al ( Artificial Intelligence人工智能) abilities Vocabulary and Structure写一封证明信，证明某人在你出任簿记员（book-keeper）三年，任职期间工作努力，忠于职 守和诚实可靠。 Key to the Exercises Text A PRE-READING TASK Exercise 1 (Suggested Answer) 1. Computers are already widely used in industry and in universities. They are capable of doing extremely complicated work in all branches of learning. They can solve the most complex math problems or put thousands of unrelated facts in order. Computers could also be plugged into a national network and be used like radios. By means of tiny computerized translating machines, people from different parts of the world are able to talk to each other or to read foreign publications without much difficulty. In hospitals where computers are used, diagnosis becomes quicker and more accurate. Computers can even write out prescriptions. Computers are the most efficient assistants man has ever had and there seems to be no limit to the way in which they can be used to improve our lives. 2. Refer to "Text-related Information". In addition to the changes mentioned in the passage, people will see many other extraordinary changes as well when the new era is upon us. Whether in the home, the workplace or outer space, many of such changes will be of the sort that seemed unthinkable only a few years ago -- cars that can spot their own parking places, house-hold appliances that talk back, factories in orbit and computers powered by protein cells, to name just a few. WHILE-READING TASK What may the following paragraphs tell us about? The following paragraphs may tell us some future miracles of computers. AFTER-READING TASK Reading Comprehension Exercise 2 1. D 2. B 3. A 4. B 5. C Exercise 3 I.T 2. T 3. F 4. T 5. F Exercise 4 Experiments or facts Predictions of the future Electronic banking and shopping Banking and shopping from home computer terminals Devices for the disabled Near-normal brain for the disabled People with limited ability to move around Working at home Robots in the General Motors plant in Newark, Delaware Some dangerous or difficult tasks performed by the computerized robots Silicon microchips New generation of computers with AI (Artificial Intelligence 人工智能) abilities Vocabulary and Structure