考研习题练习
| 考研易错题（2019/9/20） |
| 第1题： {{B}}Directions:{{/B}} Read the following text.Choose the best word(s) for each numbered blank and markA,B,C, andD、onANSWER SHEET 1. Certain{{U}} (7) {{/U}}and perfected medical technologies have already had some dehumanizing consequences. Improved methods of resuscitation have made{{U}} (8) {{/U}}heroic effort to "save" the severely ill and injureD、Yet these efforts are sometimes only partly successful: They may succeed in{{U}} (9) {{/U}}individuals, but these individuals may have sever brain damage and be capable of only a less-than-human, vegetating{{U}} (10) {{/U}}. Such patients have been{{U}} (11) {{/U}}a death with dignity. Families are forced to bear the burden of a{{U}} (12) {{/U}}"death watch". {{U}} (13) {{/U}}the ordinary methods of treating disease and prolonging life have changed the{{U}} (14) {{/U}}in which men die. Fewer and fewer people die in the familiar surroundings of home or in the{{U}} (15) {{/U}}of family and friends. This loneliness, {{U}} (16) {{/U}}, is not confined to the dying patient in the hospital beD、As a group, the elderly are the most alienated members of our society: Not yet{{U}} (17) {{/U}}the world of the dead, not deemed fit for the world of the living, they are shunted{{U}} (18) {{/U}}. We have learned how to increase their years, {{U}} (19) {{/U}}we have not learned how to help them enjoy their days. Yet we continue to bravely and feverishly push back the frontiers{{U}} (20) {{/U}}death. |
B．afforded
C．desired
D．offered
| 第2题：中国古代哲学家李贽提出“是非无定质”，这种观点是
A．唯物主义的 B．唯心主义的 C．形而上学的 D．相对主义的 |
| 【单选题】： |
| 第3题：设A是一个已有10个元素的栈，栈中依次是A1，A2，…，A10，栈顶是A10；B是一个已有10个元素的循环队列，队列中元素依次为B1，B2，…，B10，队头元素为B1。
A、B均采用顺序结构，现要将栈中元素全部移入队列中，需( )次基本操作才能使得队列中元素与栈中元素交替排列，即B中排列后的元素为B1，A1，B2，A2，…，B10，A10。(不必考虑存储空间) A、100 B、1000 C．50 D．20 |
| 【单选题】： |
第4题：设总体X服从于正态分布N(μ，σ2)(σ＞0)，从该总体中抽取简单随机样本X1，X2，…，X2n(n≥2)，其样本均值为 ，求统计量Y= 的数学期望E(Y)。 |
| 【分析题】： |
| 第5题：It has been necessary to refer repeatedly to the .effects of the two world wars in promoting all kind of innovation. It should be (1) also that technological innovations have (2) the character of war itself by the (3) of new mechanical and chemical device. One weapon developed during World War Ⅱ (4) a special mention. The (5) of rocket propulsions was well known earlier, and its possibilities as a (6) of achieving speeds sufficient to escape from theEarth’s gravitational pull had been (7) by the Russian and theAmerican scientists. The latter built experimental liquid-fuelled rockets in 1926. (8) , a group of German and Romanian pioneers was working (9) the same lines and in the 1930s, it was this team that developed a rocket (10) of delivering a warhead hundreds of miles away. Reaching a height of over 100 miles, the V-2 rocket (11) the beginning of the SpaceAge, and members of its design team were (12) in both the Soviet and United States space programs after the war. Technology had a tremendous social (13) in the period 1900 - 1945. The automobile and electric power, (14) , radically changed both the scale and the quality of 20th-century life, (15) a process of rapid urbanization and a virtual revolution (16) living through mass production of household goods and (17) The rapid development of the airplane, the cinema, and radio made the world seem suddenly smaller and more (18) . The development of many products of the chemical industry further transformed the life of most people. In the years (19) 1945 the constructive and creative opportunities of modern technology could be (20) , although the process has not been without its problems. A．on the other hand B．as a result C．on the contrary D．for instance |
| 【单选题】： |