补体的生物学活性不包括() A.特异结合抗原 B.溶菌及溶细胞 C.调理作用 D.免

题型:单项选择题

问题:

补体的生物学活性不包括()

A.特异结合抗原

B.溶菌及溶细胞

C.调理作用

D.免疫黏附作用

E.过敏毒素作用

考点:预防医学科住院医师预防医学科预防医学科题库
题型:单项选择题

个体在生活中遇到的重大正性生活变化和负性生活危机,称为()

A.生活事件

B.生活单位

C.心理应激源

D.心理应激

E.生活事件单位

题型:单项选择题

半夏泻心汤的组成药物,由除小柴胡汤去柴胡、生姜外,还有()

A.黄连、干姜

B.栀子、生姜

C.黄芪、煨姜

D.黄柏、柴胡

E.黄连、生姜

题型:单项选择题

Some pioneering work that began as an attempt to discover ways to increase production efficiency led to the founding of the human relations movement in industry and to the development of motivational skills and tools for managers. In 1927 researchers were involved in determining the optimum amount of lighting, temperature, and humidity (with lighting being considered the most important) for the assembly of electronic components at Western Electric. The researchers found that lighting had no consistent effect on production. In fact, production sometimes increased when lighting was reduced to the level of ordinary moonlight! The important part of this experiment began when two Harvard researchers, Elton Mayo and Fritz Roethlisberger, were brought in to investigate these unexpected results further. They found that workers were responding not to the level of lighting but to the fact that they were being observed by the experimenters.
This phenomenon came to be known as the Hawthorne effect since the experiments were conducted at the Western Electric Hawthorne Plant. This was the first documented and widely published evidence of the psychological effects on doing work, and it led to the first serious effort aimed at examining psychological and social factors in the workplace. Further experiments were continued for five years. Generally, the researchers concluded from their experiments that economic motivation (pay) was not the sole source of productivity and, in some cases, not even the most important source. Through interviews and test results, the researchers focused on the effects of work attitudes, supervision, and the peer group and other social forces, on productivity.
Their findings laid the groundwork for modem motivation theory, and the study of human factors on the job, which continues to this day in such common practices as selection and training, establishing favorable work conditions, counseling, and personnel operations. The contributions of this experiment shifted the focus of human motivation from economics to a multifaceted approach including psychological and social forces.

The most significant finding of the original research was ______.

A.lighting had no consistent effect on production

B.production sometimes increased when lighting was reduced to the level of ordinary moonlight

C.that lighting was no more important than the other factors of temperature and humidity

D.the results were unexpected and confusing

题型:单项选择题

钢筋丝头加工的控制措施应符合下列规定()。

A、当环境平均温度连续3d低于5℃或最低气温低于﹣3℃时,切削液应加入防冻液再行加工

B、加工前调整好设备,直至钢筋丝头合格后方可批量生产

C、应经常对套丝梳刀进行检查,当出现缺损或磨损过渡导致加工成的钢筋丝头达不到要求时,需及时更换

D、钢筋连接施工时,连接套筒与钢筋丝头旋合困难时不得强行加力,应查明原因妥善处理

E、当环境平均温度连续3d低于3℃或最低气温低于﹣5℃时,切削液应加入防冻液再行加工

题型:单项选择题

简述神经节苷脂对脑损伤的治疗保护作用。

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