卫生行政部门委托的机构或者组织，应当按照医师执业标准，对医师进行考核。（） A.业务

If I have the honor to be chose to work for the 29th Olympic Games, I will at first improve my English so that I can talk easily about foreign visitors. Second, I will learn more about history of the Olympics as much as the 2008 Olympic Games. Third, since I was familiar with Beijing, I can help visitors find their ways in the city. Finally, I should be able to tell visitors about our history or culture and show them their great achievements. In short, I will do my best to help making the Games a success.

20世纪30年代，日本发动事变，侵占我国东北三省。这一事变是[ ]

A．西安事变

B．七七事变

C．八一三事变

D．九一八事变

沥青贯入式面层属（）。

A、高级路面

B、次高级路面

C、低级路面

D、中级路面

运输企业向顾客提供服务的技术质量包括（）。

A.技术手段

B.技术设备

C.技术环境

D.技术效率

E.技术水平

直线趋势延伸法和平滑技术两种预测模型的参数计算方法不同。直线趋势延伸法模型参数靠经验判断决定；平滑技术主要靠最小二乘法数学推导。请回顾学习内容，判断这种观点的对错。