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1写作龙8手机网页版参考答案 龙8手机网页版 1 (on page 8) II.1. Nonlinear distortion can be caused by too large an img signal.2. Using the definition of slope, we can derive the equation which represents a straight line.3. The expression f(x + h) – f(x) is frequently used in the study of calculus.4. An equation which can be written in the following form is known as a linear equation in one unknown.5. In a computer, the tendency is to operate at as high a clock rate as possible.6. The voltage across this ca...

1写作龙8手机网页版参考答案 龙8手机网页版 1 (on page 8) II.1. Nonlinear distortion can be caused by too large an img signal.2. Using the definition of slope, we can derive the equation which represents a straight line.3. The expression f(x + h) – f(x) is frequently used in the study of calculus.4. An equation which can be written in the following form is known as a linear equation in one unknown.5. In a computer, the tendency is to operate at as high a clock rate as possible.6. The voltage across this capacitor is a few hundredths of a volt.7. The output of the factory ten years ago was only one fifth what it is now [或： … only one fifth its present output].8. The difference between these two values is 13 parts in 104.9. Tin does not have as high a melting point as lead (does).10. This average velocity is half the final velocity.11. It is necessary to find how long a time it takes [或： is required; is needed; is necessary] to solve this equation.12. This wire is four times thicker than that one.13. Electricity can be easily changed into other forms of energy.14. In 1831, Joseph Henry in the United States discovered the phenomenon of electromagnetic induction.2 15. A receiver consists of several units [或： parts]. III. 1. The newly designed instrument is good in quality [或： … is of good quality]. 2. This engine needs to be cleaned [或： cleaning]. 3. This running machine will stop of itself in a minute or two [或： … in one or two minutes]. 4. In this case, the img does not fall; the output does not fall, either. [或： …; neither [nor] does the output.] 5. The resistance of a conductor depends not only on the material of which the conductor is made, but also on the size and temperature of the conductor. 6. Another comsat was launched on the morning of the 8th of October. IV. 1. The period with which a body undergoes simple harmonic motion is the time required for it to make one complete oscillation. In the case of a spring, the period is the time the spring spends in going from its maximum extension, through its maximum compression and back to its maximum extension once more. For all types of simple harmonic motion, the period T is given [或： expressed; denoted; represented] byT = 2π √ ¯-S¯/a¯ ,where the acceleration a is that experienced by the body when it is at its specified position.32. ××:male, professor, advisor for doctoral students, and academician of the Chinese Academy of Sciences. He graduated from the Department of Radar at the Institute of the Communications Engineering of the People’s Liberation Army of China in 1953. After graduation he remained at the Institute as a faculty member. He successively held the posts of head of a teaching and research section, chairman of a department, and vice president of the Institute. From 1984 to 1992 he served as president of Xidian University. He is currently chairman of the Academic Commission of Xidian University and chairman of the Academic Commission of the National Key Laboratory of Radar Signal Processing. He is also member of the Committee of the National Science Fund for Outstanding Youths, and fellow of the Chinese Institute of Electronics. He has long been engaged in research and teaching in the fields of radar and information processing. In recent years, his research interests focus on statistical signal processing, array signal processing, and self-adaptive signal processing. ………………………………………………………………………………. 龙8手机网页版 2 (on page 23) II.1. This book is of great help to electronic engineers. 2. Of the first four chapters, Chapter 3 is the most important. 3. This problem can be solved with great ease. 4. In this case, current leads voltage by 90o.45. Through the analysis of the parameters of this device [或： By analyzing the parameters of this device], we can understand its performance. 6. For x > 0, there is no solution to the equation. 7. Now it is necessary for us to solve this equation for that unknown. 8. Upon substitution of these values, it is found that v is equal to the velocity of light. 9. Capacitance is measured in farads. 10. This computer is very small in size. 11. These waves travel only in one direction. 12. In their study of electricity, physicists defined electric field intensity. 13. This answer appears correct. 14. This coefficient remains to be determined. 15. The two equations below will be used often in later chapters.16. Here we use two metal balls two meters apart. 17. This paper contains nothing new. [或： There is nothing new in this paper.] 18. The force acts perpendicular to the surface of the table. 19. This rule can be used for [或： … can be applied to] all integers, both positive and negative. 20. A neutron has a slightly larger mass than a proton. [或： … has a mass slightly larger than that of a proton.] 21. Electrons are the smallest particles present in ordinary matter. [或： … particles that exist in ordinary matter.]522. All the textbooks available discuss this problem. 23. Accurate in operation and high in speed [或： In view of their accurate operation and high speed], computers have found wide applications. 24. Medium-size computers now perform as large computers not long ago [或： of near past] did. 25. The img voltage goes negative and the energy stays constant.26. These rays seem to come from the image. 27. Impedance in an ac circuit plays the same role that resistance does in a dc circuit. 28. Two parallel wires a distance (of)δ apart carry the current i. 29. The equations here are of great importance. 30. We shall use a cable 10 meters long. III. 1. That professor is much [或： very] interested in this topic. 2. These multimeters are much alike in size and weight. 3. This voltage can hardly be measured. 4. In this laboratory, this instrument is better than any other one [或： … than any one else]. 5. To repair the machine, the serviceman has to remove the cover. [或：Before the machine can be repaired, the cover has to be removed.] 6. The preface to this book is well written. IV. 1. The primary winding of a transformer is the coil which is fed with an6alternating current, and [或： while] the secondary winding is the coil to which power is transferred via the changing flux. The designations of the primary and the secondary depends only on how the transformer is connected; either winding may be the primary, and the other is then the secondary. 2. ×××: male and born in Funing County, Jiangsu Province in 1962. He graduated from Xidian University and earned the B. Eng. Degree, the M. Eng. Degree, and the Ph. D. degree in 1982, 1985, and 1990 respectively. In 1994 he was exceptionally promoted to professor. Presently he holds the posts of dean of the School of Telecommunications Engineering of Xidian University and director of the Research Institute of Information Science. He is an advisor for doctoral students, a fellow of the Chinese Institute of Communications, a senior member of IEEE, and a senior member of the Chinese Institute of Electronics. He was granted the title of “Expert with Distinguished Achievements” of both Shaanxi Province and the Ministry of Electronics Industry. He is a recipient of the Government Special Subsidy.He is engaged in the research in the fields of mobile communication, personal communication, and so on. He has obtained one “National Invention” patent and won quite a few Science and Technology Progress Awards at provincial and ministerial levels. ……………………………………………………………………………………………………7龙8手机网页版 3 (on page 31) II.1.Since feedback plays an important role in electronic circuits, its study is of great importance. 2.The black hole is invisible, but its presence can be deduced. 3.Electromagnetic waves travel at the speed of light, and require no material for their passage. 4.From its definition as the ratio of distance to time, speed is expressed in meters per second.5.Their difference in this case is 13 parts in a million [或： per million; in 106]. 6.Our analysis of the diode will be of great significance.7.This facilitates their use in circuit analysis.8.The success in design depends on our correct choice of the circuit.9.It is necessary to take into account their collisions with each other.10.Here we must use wires one thousandth the diameter of a silk thread.11.This law holds (true) for [或： applies to] the bodies the speed of a rocket.12.We must frequency modulate the carrier.13.This device is radio controlled. 14. AC can be changed into DC, a process called rectification.815. To solve this problem, we must take everything into account, a complicated procedure.16. An instrument for measuring current, voltage and resistance, the multimeter is widely used in the work having connection with electricity. 17. This paper deals with advantages of AC over DC. 18. The answers to these problems appear in the back of the book. 19. This curve shows the fall in [或： of] conductivity with increasing [或： increased] temperature. 20. These materials are pressure sensitive. III. 1.The features of this device are small size and light weight. 2.Other types of electric motor are also widely used in industry. 3.No students [或： None of the students] can solve this special kind of equation. 4.Not until the invention of the microscope did the real study of bacteria become possible. The real study of bacteria did not become possible until the invention of the microscope. 5.They do not know if this material could stand so large a force [或： … whether this material could stand so large a force or not]. 6.The machine will automatically start to operate again in two hours. IV. 1. The second law of motion provides a method for measuring what is9called the “inertial mass” of a body. All one needs to do is [OR: All that is necessary is; One only needs] to apply the same force in turn to a standard of mass and to an unknown mass and then to compare their accelerations, something that [OR: …, which] can be done anywhere in the universe with the same results. No matter where we are, we can always tell a wooden ball from a lead ball of the same size by throwing them. 2. × × × :male, born in 1938, professor, and advisor for doctoral students. He graduated from the Xi’an Military Telecommunications Engineering Institute in 1964 and remained there as a faculty member. He has long been engaged in the teaching and research in the field of radar. Through close cooperation with quite a few radar research institutes and enterprises, he has successively undertaken or taken charge of more than twenty national defence key preliminary research projects and engineering projects with many practical achievements, most of which have been popularized and applied, or used to equip the armed forces, thus making contributions to the development of radar technology in China. ……………………………………………………………………………………… 龙8手机网页版 4 (on page 39) II. 1. This equipment, it is said, was commercially available three years ago. [OR: It is said that ….; This equipment is said to have been10commercially available three years ago.]2. hfe is a parameter which we think is very important. 3. Now we connect a conductor charged with, let us say, positive electricity, to the ground. 4. √ -1√ -1, it was agreed, should be replaceable by –1 at will. 5. Velocity, we have noted before, is a vector quantity. 6. None of these windows can withstand so large a force. 7. All the computers in our laboratory are not very good in quality. 8. No textbooks available [OR: None of the textbooks available] have mentioned this point. 9. Students are familiar with none of these parameters. [OR: No students are familiar with these parameters.] 10. In this shop all these components are not available. 11. As early as the 1820s, it had been realized that this metal could/can be used in industry. 12. They have been developing a special kind of robot since 1998. 13. Full use must be made of the equipment available. [OR: The equipment available must be made full use of.] 14. It is expected that, by the time the device arrives at that research institute, the technical personnel there will have studied its principle of operation. 15. Attention must be paid to the polarities of this battery. [OR: The polarities of this battery must be paid attention to.] 16. Sound travels much more rapidly in hydrogen than in air.1117. Some developed countries use as much as 60 kilograms of paper for each person in a year. 18. The darker the color, the more light is/will be absorbed. 19. The greater the resistance of a wire, the more energy will be dissipated in it. 20. Of all these instruments, this one is most commonly used. 21. This astronomical observatory is the largest in our country. III. 1. This experiment begins at eight o’clock/in May/tomorrow. 2. The voltage across the resistor is measured in volts. 3. Both the engineers are busy (in) designing a new type of computer. [OR: … busy with the design of ….] 4. Copper is a kind of matter and so is air. 5. We find this concept very difficult to explain. 6. They will leave for Beijing to attend an international conference on communications. IV. 1. When a wire loop surrounds a stationary magnet, no current flows in the loop. What Faraday and Henry discovered was that moving the magnet causes a current to flow in the loop. It does not matter whether the magnet or the loop is actually being moved; the origin of the current lies in the relative motion between a conductor and a magnetic field. 2. A lever is a rigid rod pivoted at a certain point called the fulcrum.12Fig. 12-1 shows the most familiar type of lever, with a load at one end being balanced by an applied force at the other. The condition for equilibrium is that the torques produced by Fin and Fout be the same in magnitude. 3. ×××:male and born in December 1941. He graduated from the Xi’an Military Telecommunications Engineering Institute (the predecessor of Xidian University) and remained at the institute as a faculty member. From 1981 to 1983 he stayed at the University of Pennsylvania, U.S.A. for further studies, engaged in the research on image analysis & processing and radar imaging. From 1989 to 1990 he went to the United States and Britain successively as a visiting scholar. Currently he serves as president of Shenzhen University, being an advisor for doctoral students of Xidian University in the academic area of signal and information processing. He has been in charge of and undertaken quite a few projects, all with high-level achievements. ……………………………………………………………………………………… 龙8手机网页版 5 (on page 43) II. 1. It is quite possible for us to solve this equation. 2. It takes only a few months to design a new type of airplane with the help of a computer. 3. It remains now for us to calculate the resistance in this circuit. 4. It is left as a problem to the reader to show that this formula holds.135. The program to be executed is stored in this unit. 6. This valley is used as the foundation on which to build the dam. 7. There are many types of multimeters to choose from. 8. The velocity of light is too great to be measured in/with simple units. 9. Let it be required to find out this angle. 10. Let to be equal to zero. 11. This equation is very difficult to solve. 12. The farther away the target (is), the longer it takes for the echo to return. 13. We find this problem easy to solve. 14. For this series to converge, x must be less than 1. 15. The ability of a capacitor to store a charge is affected/influenced by a few factors. 16. This is a pen to draw pictures with. 17. For Q2 to conduct, its base must be about 1.8 volts. 18. We have to find out how large to make r so as for the series to converge. III. 1. Substituting Eq. (7) in/into Eq. (8), we obtain/have/get a=b. [或：Substitution of Eq. (7) into/in Eq. (8) gives/yields/results in a=b. 2. Sound travels less fast than light does. 3. Every one/Each of the methods has its advantages and disadvantages. 4.Work equals/is equal to force multiplied by distance [或： Work14equals force times distance. 或： Work is the product of force and distance.] 5.Usually we can not see the earth’s shadow, because there is nothing for it to fall on. 6.This equipment has quite a few advantages all its own. IV. 1. This new method has the advantages of high efficiency and easy adjustment. 2. The sine law of the variation of the light intensity with the cylinder diameter has been emphasized. 3. Our method is different from those/what wasdescribed/presented in the papers available on/discussing the same problem. V.Xidian University is a national key institution of higher learning/education which integrates engineering, science, liberal arts and management, with information and electronics as the dominant academic areas. It is located in the ancient cultural city of Xi’an and occupies an area of 60 hectares with a beautiful environment on the campus. It has established nine schools and one college, i.e., School of Telecommunications Engineering, School of Economy and Management, School of Electronic Engineering, School of Computer Science and Technology, School of Mechano-Electronic Engineering, Adult Education College, etc. There are 17 departments with/covering over 60 specialties for undergraduates and junior-college/three-year-program students. The University has the right to15examine and approve professorship and qualifications for doctoral advisers. It has set up about 34 academic areas for master’s degrees and 14 academic areas for doctoral degrees, of which there are 3 national key areas (i.e., “communication and electronic system”, “signal and information processing”, and “circuit and system”) and 11 ministerial-level key areas. ………………………………………………………………………………………………………. 龙8手机网页版 6 (on page 49) II．1． A transformer is a device consisting of two or more coils wound on the iron core. 2.This book, properly used, is of great help to the reader. 3. The magnetic lines of force representing the magnetic field are concentric circles surrounding the wire. 4. In this case, electrons will possess greater energy [或： the energy electrons possess will be greater], (thus) increasing the brightness of the spot. 5. The sunlight falling upon photo-electric cells, the device will automatically go into operation.6. Given/Knowing time and speed, we can find out distance. 7. All these networks have the property of being able to transform impedance levels. 8. Enzymes increase the speed of chemical reactions without being changed themselves.169. By finding any two points on the straight line, we can draw the line. 10. Finding the possible values of these symbols is called solving the equation. 11. Automation is not a question of machines replacing man. 12. These integrated circuits were designed with one or two uses in mind. 13. Let us construct a circle of radius R, with the origin as the center. 14. The equation to the circle with the center at the origin and of radius a is x2 + y2 = a2. 15. With other gates as loads, the output voltage will be approximately 3.5 volts. 16. With u =2 km/sec and v =11.2 km/sec, m0/m1 = 270. III. 1. By observing the effect of a new drug on the patients, one/we can see its therapeutic effect. 2. Iron is almost as good a conductor as aluminium. 3. It is easy for us to determine the weight of the body. 4. Friction makes the work put into a machine greater than the useful work accomplished by it. 5. On being heated, the air in the bottle will expand. 6. Many of the principles of a receiver also apply to a transmitter. IV. 1. Only through the study of [OR: Only by studying] the performance of the system, can one/we appreciate/understand its advantages.172. If the self-bias circuit is of poor design [OR: is not designed well/properly], chopping oscillations will take place in the LC oscillator. 3. This paper presents a CAD method for increasing the printing speed and improving the printing quality. V.Currently the University has 12853 students of various types, of whom there are 7658 undergraduates and about 900 graduate students. In more than 60 years since its founding, it has produced over 60000 graduates of various types who work in the fields of national defence, electronics, posts and telecommunications, aerospace and aviation in China, achieving splendid results in the nation’s economic construction.The University enjoys a well-qualified, high academic level, and reasonably structured contingent of teachers. There is now a teaching and administrative staff of over 3200, of whom there are more than 2100 technical professionals, with 1 academician of the Chinese Academy of Sciences, 26 national or provincial & ministerial-level experts who have made outstanding contributions, and over 600 teachers with senior academic titles. ………………………………………………………………………………… 龙8手机网页版 7 (on page 54) II. 1. Heat rays are emitted by all (material) bodies no matter how low their temperatures are.182. Small as they are, atoms are made up of still smaller units. 3. The measurement of angles is unique in that the unit is dimensionless. 4. The body is in such a state that it can do work. 5. These double-angle formulas can be used any time we have expressed one angle as twice another. 6. The problem was not to be solved until a radically new and different concept was introduced. 7. Something further must be done to these signals before they are fed to the subsequent stage. 8. Every substance, be it [或： whether it be] a solid, a liquid, or a gas, consists of atoms. 9. There are various indications [或： All indications are] that the price of computers will continue to fall. 10. There is no evidence that energy can be created or destroyed. 11. In this case there is no assurance that the circuit is tuned to that frequency. 12. These experiments lead to the result that with/for a constant force, the acceleration is inversely proportional to the mass. 13. The idea that everything is made up of very small particles was known to the Greeks over two thousand years ago. 14. Since then, there have been speculations whether life exists on other planets. 15. This is due to/results from/arises from/is caused by the fact that there exists capacitance in the circuit.1916. Besides the fact that the properties of the material should be included in the analytical model, we must take other factors into account. 17. The term follower comes from the fact that the output voltage follows the signal voltage quite closely. 18. Using the fact that the curve passes through (2, 1), we can evaluate the constant. 19. The usefulness of the Karnaugh map lies in the fact that adjacent cells can be grouped visually to eliminate redundant variables. 20. This series of experiments leads to the result that with a constant force, the acceleration is inversely proportional to the mass. III. 1. Air exerts pressure in every direction. 2. The hotter the body (is), the more energy it radiates. 3. This is the largest aircraft that has ever been manufactured in China. 4. Semiconductors will be discussed in Chapter 2. 5. The ability of some elements to give off radiations is referred to as radioactivity. 6. To do all this, a sound knowledge of computer science is necessary. IV. 1. The mathematical description of and the full-compensation conditions for the 3-axis steady-tracking principle are also given. 2. A comparison of STM and ATM is made, which shows that ATM will be the basis of BISDN. [或： A comparison between STM and20ATM shows that ATM will be the basis of BISDN.] 3. A detailed analysis of the ability of the components to carry loads is made. V.The University persists in the principle of cultivating students with all-around development of morality, intelligence and physique, and pays great attention to the teaching of both basic theories and practice. By adhering to high and strict demands, it has practised setting some outstanding teachers as its Prestigious/Top-Notch Teachers and establishing some Best-Quality/First-Rate Courses. It has also practised the credit system, the system of selecting excellent students, the scholarship system, the system of giving awards to outstanding teachers, the system of encouraging undergraduates to take both a major and a minor, the system of enrolling some bright high-school graduates as college students and some outstanding college graduates as graduate students without their sitting for the national entrance examinations, and the system of retaining the qualification of some college graduates to enter their graduate programs in a few years after passing the entrance exams, all of which are reforms carried out at the University.The University has widely promoted exchange and cooperation at home and abroad and successively established friendly cooperative relations with a batch of famous universities of USA, Japan, Russia, Holland, and Canada, and with many institutions of higher learning at home. It has carried out the activities of the joint cultivation of graduate students, the cooperative21scientific research, and the mutual invitation of scholars to deliver lectures. ………………………………………………………………………………………………….. 龙8手机网页版 8 (on page 58) II. 1. Which equation we should use will depend on what data we have been given in the problem. 2. It is obvious that these systems will function together. 3. It is a well-known fact that all matter is made up of minute particles. 4. It has been found that the direction of the current is just opposite to that of the electron flow. 5. It follows (from above) that the slope at that point is zero. 6. It can happen that the overall phase shift becomes zero. 7. At first glance it does not appear that this integral fits any of the forms presented in this chapter. 8. It does not matter how we define f(x). 9. It makes no difference which point is chosen as the origin. 10. It is necessary to determine under what conditions this equation is true. 11. It often happens/It is common/It is often the case that we may obtain different forms of solution. 12. From what has been described above it follows that F = ma. 13. This device is just what we need. 14. Now let us summarize what has been proved so far.2215. This value/Magnitude is quite different from what it was. 16. Current changes with what is called resistance. 17. This integral is what is known as the improper integral. 18. The reader can understand what the function of this device is [或： … what this device can do/perform.] 19. What a generator does is (to) convert mechanical energy into/to electrical energy. 20. This magnetic force is what makes electric motors run. III. 1. By power is meant the speed , or rate, of doing work [或： … or rate, at which work is being done]. 2. In this case [OR: Under this condition], the wheel will rotate (by/through) 360o. 3. The temperature of the water is read at two-minute intervals. 4. The direction of an electric current was/had been decided before electrons were discovered. 5. Neither those receivers nor this transmitter is out of order. 6. The question (that/which) we are discussing now is what radio waves are. IV. 1. There are m polygons altogether/in all, each of which has N vertexes. [或语法上正确、 但很不好的一个句型： …, the number of vertexes of each of which is N.] 2. This is due to the fact that there exists a capacitance across the PN23junction. [或更简洁的一个句型： … due to the existence of a capacitance across the PN junction.] 3. This method requires accurate location, thus making [OR: which makes] its realization somewhat difficult. V.The Qin Yong-brand whole milk powder is made from high-quality fresh milk, white sugar and trace elements needed by the human body by scientific methods and Denmark’s advanced technology.The Qin Yong-brand whole milk powder contains calcium, protein and varied vitamins, and it can be mixed with lukewarm sanitary drinking water into [OR: … can be blended with lukewarm sanitary drinking water to produce] the best fresh milk. The product is truly a tonic suitable for both the old and the young. Taking it for a long time is beneficial /of benefit to [OR: is good for] the development of the brain and the improvement of health.If you find anything wrong with the product, please give us a phone call [OR: please let us know by phone].Our telephone number: 029-3246788 …………………………………………………………………………………………………….. 龙8手机网页版 9 (on page 68) II. 1. There is another form of energy we must take into account. 2. We can find a force to which these two forces are equivalent.243. We shall first discuss the waves whose frequency is constant. 4. The meter which is used to measure current is known as an ammeter. 5. Most of the information we get in our everyday life is obtained through the medium of light. 6. The special frequency at which XL = XC is called the resonant frequency. 7. During the ten years since this book was published, great changes have been seen in electronics. 8. This is the most sensitive instrument that we have ever had in our laboratory. 9. Everything that is hot radiates energy. 10. We must calculate the distance the body is lifted. 11. The direction the plane flies is an important factor. 12. n2 is odd, which means/indicates that n is odd. 13. I1 is much greater than I2, in which case I2 can be neglected. 14. As we shall see, the free electrons in a conductor also play an important role in the conduction of heat. 15. As the name shows, this chapter deals with periodic functions. 16. Such meters as we use to measure resistance are spoken of as ohmmeters. 17. We must first determine the limit as c →∞. 18. It is generally possible to write down more loop equations than are needed. III.251. Not only do temperature and light affect the conductivity, but the addition of impurities to semiconductors will also make it change greatly. 2. Satellites are frequently launched to obtain information about/on space. 3. Our semiconductor industry came into being at the end of the 1950s. 4. The direct current flows always in one direction. 5. An 8-volt battery must be used here. 6. My colleagues and I would like to express our thanks to Professor W. Smith for his great help. IV. 1. The recognition of A and the determination of B are the prerequisites for the use of this method. 2. Finally, some problems that deserve to be noted in implementing this method and their solutions are presented. 3. A new technique for estimating the Doppler frequency rate is proposed which gives a high accuracy and requires a small amount of computation. V.A highland wild plant, JUEMA belongs to the rose family. [或：JUEMA is a highland wild plant belonging to the rose family.] It contains vitamins and elements such as iron, magnesium, calcium, (and) zinc. Pharmacological study shows [OR: It has been proved/shown through pharmacological study] that taking it for a long time [OR: a long-term26administration/intake] will prolong life, resist cancer and reduce weight. It is also a good gift for your relatives and friends. …………………………………………………………………………………………………….. 龙8手机网页版 10 ( on page 75) II. 1. Without semiconductors, satellite communications would be impossible. 2. We could also have used Theorem (6) to derive Eq. (5). 3. Should anything happen, let us know as soon as possible. 4. It is quite essential that digital designers (should) have a good knowledge of Boolean algebra. 5. It is suggested that drugs be made in space. 6. This comes from the necessity that the output be stable. 7. Its condition is that (x – a) be a root. 8. This transmission line acts as if it were open-circuit. 9. Everything around us, be it air, water or wood, is matter. 10. This method does work. However, it is not yet clear under what conditions it is that the method may be used. It is under this condition that this method may be used. Under what conditions is it that this method may be used? 11. It was Faraday who/that discovered the phenomenon of electromagnetic induction. 12. It is this impedance with which we are concerned. [OR: It is this27impedance that we are concerned with.] 13. Tungsten is the very metal used as the filament of electric lamps. 14. The speed with/at which sound waves move through a medium does depend on the properties of the medium. 15. This property we call inertia. III. 1. Given resistance and current, one can determi...

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