医疗器械分为几类进行管理？
参考答案：医疗器械实行分类管理，分为第一类、第二类、第三类。
Helen Hawke, CFA, a verifier of the standards. With respect to the Global Investment Performance Standards (theStandards), which of the following statements is least accurate The Standards:（）
A. are ethical standards for investment performance presentation to ensure fair representation and full disclosure of investment performance.
B. will ensure full disclosure and fair representation if minimum requirements of thestandards are adhered.
C. rely on the integrity of input data.
MPEG-2视频定义了不同的功能档次，每个档次又分为几个等级，其中面向HDTV的等级为（）。
A.高级
B.高1440级
C.基本级
D.低级
standards. With respect to the Global Investment Performance Standards (the