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问题 单项选择题

关于数据压缩的描述中，正确的是

A．多媒体信息存在许多数据冗余

B．图像压缩不容许采用有损压缩

C．熵编码法属于有损压缩

D．国际标准大多采用单一压缩方法

答案

参考答案：A

材料题

　　某中学研究性学习小组举办《红楼  梦》读书交流会。主题是“《红楼梦》诗词鉴赏”。请为主持人写一则开场白。要求：①紧扣主题；②表达得体，富有文采；③不写称呼语、问候语；④不超过  60字。

____________________________________________________________。
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单项选择题

Which of the following is most likely a recommended procedure for compliance with the Standards of Professional Conduct relating to loyalty, prudence, and care Members should:

A. make their clients aware of all forms of manager compensation.
B. seek best execution for their clients in any circumstance.
C. diversify investments to reduce the risk of loss in any circumstance.
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