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1、2022年考博英语-清华大学考试题库及模拟押密卷（含答案解析）1. 单选题The United Nation Law of the Sea Conference would soon produce an ocean-mining treatyfollowing its（ ）declaration in 1970 that oceans were the heritage of mankind.问题1选项A.unanimousB.abstractC.autonomousD.almighty【答案】A【解析】固定用法。unanimous 意见一致的，无异议的；abstract 抽象的；auton
2、omous 自治的；almighty 全能的。unanimous 与declaration 连用, 表示 达成一致的声明。2. 单选题When you prepare for your speech, be sure to cite（ ）qualified sources of information and examples.问题1选项A.unbiasedB.manipulatedC.distortedD.conveyed【答案】A【解析】形容词辨析。Unbiased 公正的, 无偏见的; manipulated 熟练控制的；distorted 扭歪的，受到曲解的；conveyed 传达的，
3、传输的。句中 “qualified sources of information”应该指合格的信息, 故A项unbiased “公正不偏不倚的”符合逻辑。3. 单选题The energy（ ）by the chain reaction is transformed into heat.问题1选项A.transferredB.releasedC.conveyedD.delivered【答案】B【解析】动词辨析。Transfer 转让, 转移; release 释放; convey 传达,运输; deliver 递送, 释放。句意: 链式反应 的能量被转化为热量。故B项符合句意。4. 单选题A（
4、）plan needs to be considered and accepted so as to lower the prices in these cities.问题1选项A.deliberateB.disincentiveC.functionalD.fantastic【答案】A【解析】形容词词义辨析。deliberate 深思熟虑的，预有准备的；disincentive 妨碍活动的；functional 功能的；fantastic 幻想的，奇异的。空格部分应与considered and accepted逻辑上对应。deliberate符合句意和逻辑。5. 单选题These sampl
5、es have to be（ ）in certain kind of chemical water in order to protect them.问题1选项A.immersedB.crispedC.armoredD.arrayed【答案】A【解析】动词词义辨析。Immerse浸没, 陷入； crisp 变脆,卷曲；armor 为穿盔甲；为提供防御；array 部署，排列。句意:这些样品必须 在某种化学水中。选项A符合句意。6. 单选题One of the main reasons is that the universitys（ ）attracts students and faculty
6、 staff all over the world.问题1选项A.fraudB.respondentC.misconductD.prestige【答案】D【解析】名词辨析。Fraud 欺诈; respondent （尤指离婚案的）被告；misconduct 不当行为; prestige 声望 。句意: 其中一个主要原因是大学的 吸引了全世界的学生和教职员工。故D项符合句意。7. 单选题I was entrusted to（ ）to a newspaper article making predictions for the New Year.问题1选项A.contributeB.detract
7、C.convertD.entail【答案】A【解析】动词辨析。contribute to a newspaper article意思是“给报纸写文章投稿”。8. 单选题The collapse of the Earths magnetic field which guards the planet and guides many of its creatures appears to have started seriously about 150 years ago, the New York Times reported last week.The fields strength has
8、decreased by 10 or 15 percent so far and this has increased the debate over whether it signals a reversal of the planets lines of magnetic force.During a reversal, the main field weakens, almost vanishes, and reappears with opposite polarity （极）.The transition would take thousands of years. Once com
9、pleted, compass needles that had pointed north would point south. A reversal could cause problems for both man and animals. Astronauts and satellites would have difficulties. Birds, fish and animals that rely on the magnetic field for navigation would find migration confusing. But experts said the e
10、ffects would not be a big disaster, despite claims of doom and vague evidence of links between past field reversals and species extinctions.Although a total transition may be hundreds or thousands of years away, the rapid decline in magnetic strength is already affecting satellites. Last month, the
11、European Space Agency approved the worlds largest effort at tracking the fields shifts. A group of new satellites, called Swarm, is to monitor the collapsing field with far greater precision. “ We want to get some idea of how this would evolve in the near future, just like people trying to predict t
12、he weather，” said Gauthier Hulot, a French geophysicist working on the satellite plan. “Im personally quite convinced we should be able to work out the first predictions by the end of the mission. No matter what the new findings, the public has no reason to panic. Even if a transition is coming on i
13、ts way, it might take 2, 000 years to mature. The last one took place 780,000 years ago, when early humans were learning how to make stone tools. Deep inside the Earth flow hot currents of melted iron. This mechanical energy creates electromagnetism. This process is known as the geophysical generato
14、r. In a cars generator, the same principle turns mechanical energy into electricity.No one knows precisely why the field periodically reverses. But scientists say the responsibility probably lies with changes in the disorderly flows of melted iron, which they see as similar to the gases that make up
15、 the clouds of Jupiter.1.According to the passage, the Earths magnetic field has（ ） .2.During the transition of the Earths magnetic field （ ）.3.The author says the public has no reason to panic” because（ ） .4.The cause of the transition of the Earths magnetic field comes from（ ） .问题1选项A.misguided many a man and animalB.begun to change in the opposite directionC.caused the changes on the polaritiesD.been wea
