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自制发酵食品中毒的致病菌是()

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实质上的独立是指()。

A. 中介服务业的行为主体与服务对象之间没有利害关系
B. 中介服务业的行为主体之间没有利害关系
C. 中介服务业的行为主体在为委托方提供服务时所表现的在社会公众或第三者面前呈现出一种独立于委托人的形象
D. 中介服务业的服务对象之间不存在利害关系

The founder of quantum mechanics (量子力学) and the inventor of the uncertainty principle, Werner Heisenberg was born in Wurzburg and brought up in Munich, where he entered the university in 1920 to study physics under Arnold Sommerfeld. After a brief stay at Gottingen University, he moved to Copenhagen to pursue research under Niels Boho and remained there until 1927.
After 1913 the quantum theory made considerable progress, but by 1924 it was running out of steam, largely owing to its lack of a coherent and systematic mathematical foundation. In the summer of 1925 Heisenberg discovered the foundation of just such a mechanics. Then his theory was rapidly developed by Max Born, Pascual Jordan, and P. A.M. Dirac.
In the spring of 1927, while a lecture at Boho's institute, Heisenberg followed up his discovery of the uncertainty relations, which are of central importance in quantum mechanics.
Heisenberg was awarded the Nobel Prize for Physics in 1932 for his contribution t9 the development of quantum mechanics. From 1927 to 1941 he was professor of theoretical physics at the University of Leipzig. Although privately unsympathetic to the Nazi regime he remained in Germany throughout the Second World Wax, seeing it as his duty to work for the preservation of German physics and its future reconstruction. From 1941 to 1945 he was Director of the Kiser Wihelm Institute for Physics at Berlin, where he worked with Otto Hahn on the development of a nuclear reactor. After the war he became Director of the Max Planck Institute for Physics and played a prominent part in the promotion of scientific research in Germany.
Heisenberg has an important part in 20th century thought: the notion of uncertainty which he introduced is, like Einstein's concept of relativity, one of the major idea of the century; it has changed not only physics but our entire world picture.
When was the firm foundation of quantum theory laid?

A. In 1913.
B. In 1924.
C. In 1925.
D. In 1927.

In the following essay, each blank has four choices. Choose the best answer and write down

A. interval
B. time
C. slot
D. delay

下列叙述属于监理例会的是()。

A. 为充分发挥监理单位协调工作的作用,做到质量目标动态跟踪管理,应定期召开分析会议
B. 定期召开由承包商、监理单位、雇主三方参加的监理例会,每次例会将针对近期出现的质量问题重点协调解决,将会议内容写成会议纪要,经各方签认后成为正式文件
C. 根据工程需要,组织召开一些专业性的协调会议,会议纪要经各方签认后成为正式文件
D. 监理单位内部定期召开会议,讨论各专业监理工作中的问题,贯彻项目总监理工程师的意图

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