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1、2022年考博英语-西南财经大学考前模拟强化练习题（附答案详解）1. 单选题A firm might sometimes sell at a loss to drive a competitor out of business, and （ ）increase its market power.问题1选项A.thereforeB.therebyC.henceD.further【答案】B【解析】副词辨析题。therefore因此，所以；thereby从而，因此；hence因此，今后；further而且。句意：公司有时可能会亏本出售将竞争对手挤出市场，从而提高其市场权力。选项B更符合语境。2. 单
2、选题Russian and Norwegian scientists have reported finding stone objects and animal bones in the far north of European Russia. The scientists say the objects provide the first evidence that ancient hunters lived in the area more than 30 thousand years ago. They say this is at least 15 thousand years e
3、arlier than experts had thought.The Russian and Norwegian team worked at a camp along the Usa River and the Arctic Circle. The scientists say they found several ancient stone tools. They also found 123 bones from animals such as horses, reindeer and wolves.The scientists say their most important dis
4、covery was a tusk from an ancient elephant called a mammoth（猛码）.The huge, curved tooth was more than 1 meter long. The tusk is covered with small cuts. The scientists believe humans made the marks with sharp-edged stone tools.The scientists used a process known as radiocarbon（放射性碳）dating to measure
5、the age of the tusk. Radiocarbon dating shows the level of a radioactive form of carbon in a substance. The tests showed the tusk is about 36 thousand years old.The scientists say they are not sure what kind of humans left the stone objects and bones along the river. They said the people were either
6、 early humans called Neanderthals（穴居人）or modern humans.Modem humans spread through Europe and Asia 30 thousand years ago. The scientists say the ancient people needed a high level of social development to survive in the extremely cold environment.The objects were discovered about 300 kilometers nort
7、heast of another area where scientists say humans once lived. That area has objects more closely linked to modem humans. Those objects are believed to be about 28 thousand years old.Nature magazine also published a report by John Gowlett of the University of Liverpool in England. He said the discove
8、ry shows the ability of early humans to do the unexpected. He also said the discovery should renew debate about the effects of the climate on the movements of early human population.1.Before the finding of stone objects and animal bones in the north of European Russia, some experts thought human bei
9、ngs lived in that area about （ ）.2.The following statements are true about the significance of this finding EXCEPT that（ ）.3.Which is the most important discovery among the findings?4.How old is the tusk? About（ ）years old.5.Which would be the best title of the passage?问题1选项A.10 thousand years agoB.
10、15 thousand years agoC.28 thousand years agoD.20 thousand years ago问题2选项A.it brings forwards the time in which ancient hunters lived in the areaB.it provides the evidence of a high level of ancient human societyC.it showed the unexpected ability of the early humansD.it indicates the effect of climat
11、e on the movement of early human population问题3选项A.A mammoth tusk covered with small cuts.B.Ancient stone tools.C.123 bones from animals.D.A long elephant tusk.问题4选项A.25 thousandB.28 thousandC.40 thousandD.36 thousand问题5选项A.New Discovery of Ancient Human BeingsB.Evidence of Ancient HuntersC.Unexpecte
12、d Surviving Abilities of Ancient Human BeingsD.New Findings of Ancient Animals【答案】第1题:B第2题:B第3题:A第4题:D第5题:B【解析】第1题:判断推理题。根据第一段最后两句“The scientists say the objects provide the first evidence that ancient hunters lived in the area more than 30 thousand years ago. They say this is at least 15 thousand y
13、ears earlier than experts had thought.”科学家说，这些物体提供了第一手证据，证明古代猎人在3万多年前就生活在这个地区。他们说，这至少比专家们预想的早了1.5万年。由此可知，专家们预想的人类生活在这个地区的时间是在3万减去1.5万等于1.5万年以前，也就是15 thousand years ago，所以选项B正确。第2题:判断推理题。根据倒数第三段的内容“The scientists say the ancient people needed a high level of social development to survive in the extre
14、mely cold environment.”科学家们说，古人需要高度的社会发展才能在极端寒冷的环境中生存。由此可知，古代社会并没有高度发展所以选项B不正确。第3题:细节事实题。根据关键词“most important discovery”定位到第三段第一句“The scientists say their most important discovery was a tusk from an ancient elephant called a mammoth.The tusk is covered with small cuts.”科学家们表示，他们最重要的发现是一头名为猛犸象的古代大象的长
15、牙。.长牙上有很多小切口。由此可知，选项A符合原文。第4题:细节事实题。根据第四段最后一句“The tests showed the tusk is about 36 thousand years old.”测试显示，这只象牙大约有3.6万年的历史。选项D符合原文。第5题:主旨大意题。原文第一段指出科学家在欧洲北部发现了很多有关古代猎人的证据，接下来的段落具体阐述和分析这些证据，最后得出结论，这些证据也体现了环境对早期人类迁徙的影响。由此可知，本文的主要内容是关于古代猎人的证据，选项B最为恰当。3. 单选题They had to eat a(n)（ ）meal, or they would be too late for the concert.问题1选项A.temporaryB.hastyC.immediateD.urgent【答案】B【解析】考查形容词词义辨析。temporary “暂时的，临时的”；hasty “匆忙的，轻率的”；immediate “立即的，直接的”；urgent “紧急的，急迫的”。句意：他们只能急匆匆地吃了饭，不然音乐会他们就会迟到了。选项B符合题意。4
