考研习题练习
| 考研易错题（2019/5/21） |
| 第1题：A．rushed
B．windy C．puff D．blowing |
| 【单选题】： |
| 第2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．encouraging B．urging C．promoting D．assisting |
| 【单选题】： |
| 第3题：设矩阵A= a为何值，方程组有唯一解，求x1； |
| 【分析题】： |
| 第4题：我国社会主义上层建筑的核心是
A．社会主义政治法律观点 B．共产主义道德和理想 C．人民民主专政的国家政权 D．“三个代表”重要思想 |
| 【单选题】： |
| 第5题：抽象的或非现实的可能性是指
A．根本不能实现的可能 B．在当前条件下可以实现的可能 C．永不具备条件转化为现实的可能 D．未来一定条件下可以实现的可能 |
| 【单选题】： |