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1、考研考博-考博英语-北京航空航天大学模拟考试题含答案1. 单选题To compensate for the substantial decline in the availability of fossil fuels in future years, we will have to provide at least（ ）alternative energy source.问题1选项A.an anticipatedB.an officialC.an equivalentD.a redundant【答案】C【解析】形容词辨析。句意：为了弥补未来几年中矿物燃料供应量的大幅度下降，我们不得不提供一种
2、至少是 （ ）的替代能源。anticipated预期的，期望的；official官方的，正式的，公务的；equivalent等价的，相等的；redundant多余的，过剩的。C选项“相等的”符合句意。2. 单选题While admiring that this forecast was（ ）uncertain, the scientists warned against treating it as a cry of wolf.问题1选项A.anyhowB.somewhereC.somewhatD.anyway【答案】C【解析】副词辨析。句意：虽然承认这次预报 不确定，但科学家仍警告不要把它当
3、作危言耸听。anyhow总之，无论如何；somewhere在某处，到某处；somewhat有点，稍微；anyway总之，无论如何。因此，C项符合句意。3. 单选题Superficial differences between the special problems and techniques of the physical sciences and those of the biological sciences are sometimes cited as evidence for the（ ）of biology and for the claim that the methods o
4、f physics are therefore not adequate to biological inquiry.问题1选项A.autonomyB.vitalityC.purposefulnessD.obsolescence【答案】A【解析】名词辨析。句意：自然科学和生物科学的特殊问题和技术之间的表面差异有时会被用来证明生物学的（ ），并且用来说明自然科学的方法对生物科学的探究是不够的。autonomy自治，自治权；vitality活力，生气，生命力；purposefulness目的性；意志坚强；obsolescence退化，荒废。A选项表示将两门学科之间的一些浅显区别用于证明生物学是独立
5、的，符合题意。4. 单选题When an invention is made, the inventor has three possible （1 ） of action open to him: he can give the invention to the world by publishing it, keep the idea （2 ） , or patent it.A （3 ）patent is the result of a bargain （4 ） between an inventor and the state, but the inventor gets a limit
6、ed period of monopoly and publishes full details of his invention to the public after that period （5 ） .Only the most exceptional circumstances （6 ） the lifespan of a patent （7 ） to alter this normal process of events.The longest extension ever（8 ） was to Georges Valensi: his 1939 patent for color T
7、V receiver circuit was extended until 1971 because for most of the patents normal life there was no color TV to（9 ） and thus no hope for reward for the invention.Because a patent remains permanently（10 ）after it has terminated, the shelves of the library attached to the （11）office contain details of
8、 literally millions of ideas dial are free for anyone to use and, if （12 ） than half a century, sometimes even re-patent. Indeed, patent experts often advise anyone （13 ） to avoid the high cost of conducting a search through （14 ） patents that the one sure way of violation of any other inventors rig
9、ht is to plagiarize a dead patent. Likewise, because publication of an idea in any other form （15 ） invalidates further patents on that idea, it is traditionally （16 ） to take ideas from other areas of print. Much modern technological advance is（17 ）on these presumptions of legal security.Anyone clo
10、sely （18 ）in patents and inventions soon learns that most new ideas are, in fact, as old as the hills. It is their reduction to commercial practice, either through necessity or dedication, or through the availability of new technology, （19 ）makes news and money. The basic patent for the theory for m
11、agnetic recording dates back to 1886. Many of the original ideas behind television originate （20 ） the late 19th and early 20th century. Even the Volkswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear.问题1选项A.workB.possibilityC.measuresD.courses问题2选项A.openB.
12、coveredC.secretD.improved问题3选项A.grantedB.grantingC.inventingD.invented问题4选项A.strikingB.struckC.to be strikingD.to strike问题5选项A.terminatingB.continuingC.continuesD.terminates问题6选项A.areB.to beC.beD.is问题7选项A.extendingB.will extendC.extendedD.to be extended问题8选项A.grantedB.grantingC.to grantD.being grant
13、ed问题9选项A.receivingB.sendingC.receiveD.send问题10选项A.publicB.secretC.closeD.concealed问题11选项A.customerB.commerceC.patentD.television问题12选项A.longerB.olderC.weakerD.younger问题13选项A.wishedB.refusingC.refusedD.whishing问题14选项A.liveB.deadC.workingD.recording问题15选项A.temporarilyB.suddenlyC.permanentlyD.sharply问题
14、16选项A.dangerousB.undesirableC.safeD.terrible问题17选项A.contractedB.sentC.anticipatedD.based问题18选项A.involvingB.involvedC.containedD.containing问题19选项A.whichB.whenC.thatD.where问题20选项A.withB.offC.beforeD.from【答案】第1题:D第2题:C第3题:A第4题:B第5题:D第6题:D第7题:C第8题:A第9题:D第10题:A第11题:C第12题:B第13题:D第14题:A第15题:C第16题:C第17题:D第18题:B第19题:C第20题:D【解析】1.句意：当一项发明创造问世时，对发明者而言有三种可供选择的 。因此D项courses（做法）符合句意。2.句意：他可以把这项发明公布于世，或 ，或申请专利。根据空格处前
