2017年云南昆明理工大学考博英语真题.pdf
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1、2017 年云南昆明理工大学考博英语真题考生答题须知1 所有题目(包括填空、选择、图表等类型题目)答题答案必须做在考点发给的答题纸上,做在本试题册上无效。请考生务必在答题纸上写清题号。2 评卷时不评阅本试题册,答题如有做在本试题册上而影响成绩的,后果由考生自己负责。3 答题时一律使用蓝、黑色墨水笔或圆珠笔作答(画图可用铅笔) ,用其它笔答题不给分。4 答题时不准使用涂改液等具有明显标记的涂改用品。Part IIStructure and Vocabulary( 15 points )Directions: In this part, there are fifteen incomplete s
2、entences. For each sentence fouralternatives A, B, C or D are given. Decide which of the alternatives best completesthe sentence and mark the corresponding letter on your ANSWER SHEET.1.It is rather _ that we still do not know how many species there are in the worldtoday.A. misleadingB. boringC. emb
3、arrassingD. demanding2.Although not an economist himself, Dr. Smith has long been a severe critic of thegovernments _ policies.A. economicalB. economicC. economyD. economics3.At three thousand feet, wide plains begin to appear, and there is never a moment whensome distant mountain is not _.A. on vie
4、wB. at a glanceC. on the sceneD. in sight4.Being impatient is _ with being a good teacher.A. intrinsicB. ingeniousC. incompatibleD. inherent5.She was so _ in her job that she didnt hear anybody knocking at the door.A. attractedB. absorbedC. drawnD. concentrated6.Jack was about to announce our plan b
5、ut I _.A. cut him shortB. gave him upC. turned him outD. put him through7.When Jack was eighteen he _ going around with a strange set of people and stayingout very late.A. took toB. took upC. took forD. took on8.You see the lightning _ it happens, but you hear the thunder later.A. the instantB. for
6、an instantC. on the instantD. in an instant9.It is said that the math teacher seems _ towards bright students.A. preferableB. partialC. beneficialD. liable10. It is hard to tell whether we are going to have a boom in the economy or a _.A. concessionB. submissionC. transmissionD. recession11. People
7、who like to wear red clothes are more likely to be talkative and _.A. vivaciousB. perilousC. introvertedD. lucrative12. Benjamin Franklin, tactless in his youth, became so diplomatic, so _ at handlingpeople that he was made American Ambassador to France.A. shrewdB. foxyC. considerateD. adroit13. Con
8、sumers deprived of the information and advice they needed were quite simply _every cheat in the marketplace.A. in lieu ofB. for the price ofC. by courtesy ofD. at the mercy of14. Reporters and photographers alike took great _ at the rude way the actor behavedduring the interview.A. annoyanceB. resen
9、tmentC. offenceD. irritation15. If you work under a car when repairing it, you often get very _.A. waxyB. stickyC. slipperyD. greasyPart III.Reading Comprehension ( 40 points )Directions: There are four passages in this part. Each passage is followed by somequestions or unfinished statements. For ea
10、ch of them there are four choices marked A,B, C and D. You should decide on the BEST choices and then mark the corresponding letteron the ANSWER SHEET.Passage 1The prefix Mach is used to describe supersonic speed. It was named for Ernst Mach(1838-1916), a Czech-born Austrian physicist, who contribut
11、ed to the study of sound.When twice the speed of sound, it is Mach 2. When it is near but below the speed of sound,its speed can be designated at less than Mach 1, for example, Mach 0.9. Mach is definedas the ratio of the velocity of a rocket or a jet to the velocity of sound in the mediumbeing cons
12、idered.When a plane passes the sound barrierflying faster than sound travelslistenersin the area hear thunderclaps, but the pilot of the plane does not hear them.Sound is produced by vibrations of an object and is transmitted by alternate increaseand decrease in pressure that radiate outward through
13、 a material media of molecules somewhat like waves spreading out on a pond after a rock has been tossed into it.The frequency of sound is determined by the number of times the vibrating wavesundulate 波动 per second and is measured in cycles per second. The slower the cycle ofwaves, the lower the freq
14、uency. As frequencies increase, the sound is higher in pitch.Sound is audible to human beings only if the frequency falls within a certain range.The human ear is usually not sensitive to frequencies of fewer than 20 vibrations persecond, or more than about 20,000 vibrations per secondalthough this r
15、ange varies amongindividuals. Anything at a pitch higher than the human ear can hear is termed ultrasonic.Intensity, or loudness, is the strength of the pressure of these radiating wavesand is measured in decibels. The human ear responds to intensity in a range from zeroto 120 decibels. Any sound wi
16、th pressure over 120 decibels is painful to the human ear.The speed of sound is generally placed at 1,088 feet per second at sea level at32 degrees Fahrenheit. It varies in other temperatures and in different media. Soundtravels faster in water than in air, and even faster in iron and steel. It trav
17、els amile in 5 seconds in air, it does a mile under water in 1 second, and it travels throughiron in 1/3 second. It travels through ice cold vapor at approximately 4,708 feet persecond; ice-cold water, 4,938; granite, 12,960; hardwood, 12,620; brick, 11,960; glass,16,410 to 19,690; silver, 8,658; go
18、ld, 5,717.各类考试资料 vx:344647 公众号:顺通考试资料16. According to this passage, “Mach” refers to _.A. the ratio of the air speed of an aircraft to the speed of soundB. a machineC. a Czech-born Australian physicistD. the pilot of the plane17. Sound is produced by _.A. vibrations of an object passing through the
19、airB. spreading of waves after a rock being tossed into a pondC. thundersD. a flying plane18. Decibel is _.A. the frequency of radiating wavesB. the pressure of radiating wavesC. the unit for measuring the intensity of soundD. the speed of sound19. Which of the following is a TRUE statement?A. Sound
20、 travels fastest through the hardest thing.B. Sound travels at different speed in different temperatures and in different media.C. Sound travels fastest in hottest temperature.D. Sound travels fastest in coldest temperature.20. Which of the following can serve as the best title of this passage?A. Th
21、e Prefix Mach.B. The Speed of Sound.C. The Frequency of Sound.D. The Intensity of Sound.Passage 2Science is a dominant theme in our culture. Since it touches almost every aspect of ourlife, educated people need at least some idea of its structure and operation. They shouldalso have an understanding
22、of the subculture in which scientists live and the kinds of peoplethey are. An understanding of general characteristics of science as well as specific scientificconcepts is easier to obtain if one knows something about the things that excite and frustratethe scientist.This book is written for the in
23、telligent student or lay person whose knowledge of scienceis superficial; for the person who has been presented with science as a musty storehouse ofdried facts; for the person who sees the chief objective of science as the production ofgadgets; and for the person who views the scientists as some so
24、rt of magician. The book canbe used to supplement a course in any science, to accompany any course that attempts to givean understanding of the modern world, or independently of any course, simply to provide abetter understanding of science. We hope this book will lead readers to a broader perspecti
25、veon scientific attitudes and a more realistic view of what science is, who scientists are,and what they do. It will give them an awareness and understanding of the relationship betweenscience and our culture and an appreciation of the roles science may play in our culture.In addition, readers may l
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