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1、2022年考博英语-西南财经大学考试题库及全真模拟冲刺卷（含答案带详解）1. 单选题The（ ） can help people to see very small objects.问题1选项A.metropolitanB.microphoneC.microscopeD.microware【答案】C【解析】考查名词词义辨析。metropolitan “大城市人”；microphone “扩音器”；microscope “显微镜”；microwave “微波炉”。句意：显微镜能让人看到很小的东西。选项C符合题意。2. 单选题People tend to ignore the delayed ef
2、fects of（ ）to chemicals because the danger doesnt become apparent immediately.问题1选项A.exposureB.exploitC.explosionD.exponent【答案】A【解析】考查名词词义辨析。exposure “暴露”；exploit “功绩”；explosion “爆炸”；exponent “倡导者，鼓吹者”。句意：人们倾向于忽视接触化学物质的迟延效应，因为这些危害不会立刻表现出来。选项A符合题意。3. 单选题A healthy and better-educated new generation is
3、 a （ ）for sustainable economic and social development of all countries.问题1选项A.guaranteeB.securityC.demandD.target【答案】A【解析】名词辨析题。guarantee保障，担保；security安全；demand需求；target目标。句意：身体健康、受到良好教育的新一代是所有国家经济和社会可持续发展的保障。选项A符合句意。4. 单选题Russian and Norwegian scientists have reported finding stone objects and anim
4、al 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 earlier than experts had thought.The Russian and Norwegian team worked at a camp
5、 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 discovery was a tusk from an ancient elephant called a mammoth（猛码）.The huge, curve
6、d 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 the age of the tusk. Radiocarbon dating shows the level of a radioactive form o
7、f 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 early humans called Neanderthals（穴居人）or modern humans.Modem humans spread thro
8、ugh 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 northeast of another area where scientists say humans once lived. That area has obj
9、ects 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 discovery shows the ability of early humans to do the unexpected. He also said the dis
10、covery 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 beings lived in that area about （ ）.2.The following statements are true about the
11、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.15 thousand years agoC.28 thousand years agoD.20 thousand years ago问题2选项A.it br
12、ings 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 climate on the movement of early human population问题3选项A.A mammoth tusk covered with s
13、mall 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.Unexpected Surviving Abilities of Ancient Human BeingsD.New Findings of Ancient Animals【
14、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 years 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
15、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 extremely 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
