考研习题练习
| 考研每日一练（2019/4/16） |
第1题： |
| 【单选题】： |
| 第2题：“全球问题”影响到整个地球生命和人类社会。它深刻地反映了 A．人类与自然的矛盾 B．科学与价值的矛盾 C．生产力与生产关系的矛盾 D．国家与民族矛盾 |
| 【多选题】： |
| 第3题：n阶矩阵A具有n个不同的特征值是A与对角矩阵相似的 A、充分必要条件． B、充分而非必要条件． C、必要而非充分条件． D、既非充分也非必要条件． |
| 【单选题】： |
| 第4题：《三因极一病证方论》认为，七情内伤先自哪些脏腑郁发
A．心、肺、脾 B．心、肝、脾 C．心、肝、肾 D．心、肺、肝 E．心、肝、胃 |
| 【单选题】： |
| 第5题：One characteristic of theEl Nifio is
A．cold coastal water near Peru. B．winds blowing from the west. C．random occurrence. D．worldwide effects. |
| 【单选题】： |
| 第6题： 下列各句中，加点成语使用正确的一句是： A．有时书中人物的命运引起我丰富的联想，我凝视着窗外的蓝天，不免出神入化。 B．单看他两手捏成拳头放在大腿上那正襟危坐的姿势，就可以断定他是北方人。 C．最近，我在长江三峡的奉节县境内拾得一枚珍贵的长江奇石，最突出的是赤甲呈现出粉黄色，右边的白盐山为青灰色，整个山形如夔门雄姿，实在是大自然巧夺天工的造化。 D．《苹果日报》在香港引起报业大战，杀得人仰马翻，天昏地暗，风声鹤唳。 |
| 【单选题】： |
| 第7题：Increasingly, historians are blaming diseases imported from the Old World for the great disparity between the native population ofAmerica in 1492--new estimates of which jump as high as 100 million, or approximately one-sixth of the human race at that time--and the few million full-blooded NativeAmericans alive at the end of the nineteenth century. There is no doubt that chronic disease was an important factor in the sharp decline, and it is highly probable that the greatest killer was epidemic disease, especially as manifested in virgin-soil epidemics. Virgin-soil epidemics are those in which the populations at risk have had no previous contact with the diseases that strike them and are therefore immunologically almost defenseless. That virgin-soil epidemics were important inAmerican history is strongly indicated by evidence that a number of dangerous maladies--smallpox, measles, malaria, yellow fever, and undoubtedly several more--were unknown in the pre-Columbian New Worl D、The effects of their sudden introduction are demonstrated in the early chronicles ofAmerica, which contain reports of horrible epidemics and steep population declines, confirmed in many cases by quantitative analyzes of Spanish tribute records and other sources. The evidence provided by the documents ofBritish and French colonies is not as definitive because the conquerors of those areas did not establish permanent settlements and began to keep continuous records until the seventeenth century, by which time the worst epidemics had probably already taken place. Furthermore, theBritish tended to drive the native populations away, rather than to enslave them as the Spaniards did, so that the epidemics ofBritishAmerica occurred beyond the range of colonists’ direct observation. Even so, the surviving records of NorthAmerica do contain references to deadly epidemics among the native population. In 1616--1619 an epidemic, possibly of pneumonic plague, swept coastal NewEngland, killing as many as nine out of ten,During the 1630’s smallpox, the disease most fatal to the NativeAmerican people, eliminated half the population of the Huron and Iroquois confederations. In the 1820’s fever ruined the people of theColumbia River area, killing eight out of ten of them. Unfortunately, the documentation of these and other epidemics is slight and frequently unreliable, and it is necessary to supplement what little we do know with evidence from recent epidemics among NativeAmericans. For example, in 1952 an outbreak of measles among the NativeAmerican inhabitants of UngavaBay, Quebec, affected 99 percent of the population and killed 7 percent, even though some had the benefit of modern medicine.Cases such as this demonstrate that even diseases that are not normally fatal can have destroying consequences when they strike an immunologically defenseless community. It can be inferred from the text about the NativeAmerican inhabitants of UngavaBay that they A、could scarcely ward off the fatal attack by the 1952 epidemiC、 B．were immunologically defenseless against measles. C．were the last native people to be struck by a virgin-soil epidemiC、 D、did not come into frequent contact with WhiteAmericans until the 20th century. |
| 【单选题】： |
| 第8题：根据国际收支账户的记账规则，以下( )项包含的内容都应该记入借方。
A．反映进口实际资源的经常项目，反映资产减少的金融项目 B．反映进口实际资源的经常项目，反映资产增加的金融项目 C．反映进口实际资源的经常项目，反映负债增加的金融项目 D．反映进口实际资源的经常项目，反映负债减少的金融项目 |
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| 第9题：当环境温度低于皮肤温度时，人体散热的主要方式是
A．传导 B．对流 C．辐射 D．不感蒸发 |
| 【单选题】： |
| 第10题：润肠丸适宜于治疗
A．气虚秘 B．阴虚秘 C．冷秘 D．血虚秘 |
| 【单选题】： |