问题
单项选择题
In 1995, the CFA Institute sponsored and funded the Global Investment Performance Standards (GIPS) in response to : （）
A. an increase in insider trading.
B. new regulation passed by the SEC.
C. a need to address issues, such as portability of investment results.
答案
参考答案：C
解析：
The GIPS were created to address the portability of investment results, varying time periods, and survivorship biases. Government regulation was not an issue nor was insider trading.
和
同时冲上小车，当它们相对于小车停止滑动时，没有相碰。已知Ａ、Ｂ两物体与车面的动摩擦因数都是0.20，取ｇ＝10
，求：