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1、2022年考博英语-西北工业大学考前拔高综合测试题（含答案带详解）1. 单选题Racing the clock every day is such as an exhausting effort that when I actually have a few free moments, I tend to collapse.问题1选项A.fall downB.fall illC.fall outD.fall behind【答案】A【解析】考查动词词义辨析。句意：每天与时间赛跑是一种累人的工作，当我真正有点空闲时间时，我感觉要。fall down “倒塌”；fall ill “生病”；fall
2、out “脱落”；fall behind “落后，逾期”。划线单词的意思是“倒塌，倒下”，选项A符合题意。2. 单选题The book shifted her outlook from social to spiritual, for its theme was that before you change other people you have to change yourself.问题1选项A.viewpointB.vocationC.prospectD.preference【答案】A【解析】考查名词词义辨析。句意：这本书将她的从社会转向精神方面，因为它的主题是在改变他人之前，你必须先
3、改变自己。viewpoint “观点，视角”；vocation “职业”；prospect “前景，期望”；preference“偏爱，倾向”。根据“from social to spiritual”可推测划线单词的意思是“观点”，因此选项A符合题意。3. 单选题What we consider a luxury at one time frequently becomes a （ ）, many families find that ownership of two cars is indispensable.问题1选项A.fashionB.necessityC.proclivityD.nu
4、isance【答案】B【解析】考查名词词义辨析。fashion “时尚；时装；样式”；necessity “需要；必需品”；proclivity “倾向；癖性”；nuisance “讨厌的人；损害”。句意：我们曾经认为的奢侈品频繁地成为了必需品，很多家庭发现拥有两辆车是很有必要的。选项B符合题意。4. 单选题All specialists agree that the most important consideration with diet drugs is carefully（ ）the risks and benefits.问题1选项A.valuingB.evaluatingC.est
5、imatingD.weighing【答案】D【解析】考查动词词义辨析。value “评价；重视；估价”；evaluate “评估；估价”；estimate “估计：判断”；weigh “权衡；考虑”。句意：所有专家一致认为最重要的事是权衡减肥药的风险和好处。选项D符合题意。5. 单选题The chief editor thought he took some liberties with the original in translation. So it was necessary that he make the（ ）suggested.问题1选项A.alterationsB.altern
6、ativesC.alternationsD.altercations【答案】A【解析】考查名词词义辨析。alteration “修改；改变；变更”；alternative “二中择一”；alternation “交替，轮流”；altercation “争吵，吵架”。句意：主编认为他的译文对原文做了些改动。所以他有必要针对这些建议进行修改。选项A符合题意。6. 单选题Rachel was the（ ）choice for the job thanks to her communication skills问题1选项A.unanimousB.genuineC.harmoniousD.agreeab
7、le【答案】A【解析】考查形容词词义辨析。unanimous “意见一致的；无异议的”；genuine “真实的；诚恳的”；harmonious “和谐的；协调的”；agreeable “令人愉快的；合适的”。句意：蕾切尔因为出色的交流技能成为这份工作无异议的人选。选项A符合题意。7. 单选题There are some earth phenomena you can count on, but the magnetic field, someday is not of them. It fluctuates in strength, drifts from its axis, and eve
8、ry few 100,000 years undergo, dramatic polarity reversala period when North Pole becomes South Pole and South Pole becomes North Pole. But how is the field generated, and why is it so unstable?Groundbreaking research by two French geophysicists promises to shed some light on the mystery. Using 80 me
9、ters of deep sea sediment （沉淀物）core, they have obtained measurements of magnetic-field intensity that span 11 polarity reversals and four million years. The analysis reveals that intensity appears to fluctuate with a clear, well-defined rhythm. Although the strength of the magnetic field varies irre
10、gularly during the short term, there seems to be an inevitable long-term decline preceding each polarity reversal. When the poles flipa process that takes several hundred thousand yearsthe magnetic field rapidly regains its strength and the cycle is repeated.The results have caused a stir among geop
11、hysicists. The magnetic field is thought to originate from molten （熔化的）iron in the outer core, 3,000 kilometers beneath the earths surface. By studying mineral grains found in material ranging from rocks to clay articles, previous researchers have already been able to identify reversals dating back
12、170 million years, including the most recent switch 730,000 years ago. How and why they occur, however, has been widely debated. Several theories link polarity flips to external disasters such as meteor （流星）impacts. But Peter Olson, a geophysicist at the Johns Hopkins University in Baltimore, says t
13、his is unlikely if the French researchers are right. In fact, Olson says, intensity that predictably declines from one reversal to the next contradicts 90 percent of the models currently under study. If the results prove to be valid, geophysicists will have a new theory to guide them in their quest
14、to understand the earths inner physics. It certainly points the direction for future research.1.Which of the following titles is most appropriate to the passage?2.The word “flip” (Line 6, Para. 2） most probably means（ ）.3.What have the two French geophysicists discovered in their research?4.The Fren
15、ch geophysicists study is different from currently prevailing theories in（ ）.5.In Peter Oslos opinion the French experiment（ ）.问题1选项A.Polarity Reversal: A Fantastic Phenomenon of Nature.B.Measurement of the Earths Magnetic-Field Intensity.C.Formation of the Two Poles of the Earth.D.A New Approach to the Study of Geophysics.问题2选项A.declineB.intensifyC.fluctuateD.reverse问题3选项A.Some regularity in the changes of the earths magnetic fie
