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问题 选择题
2x2-98=0的根是（　　）
A．x1=7
2
，x2=-7
2
B．x=7
2
C．x1=7，x2=-7D．x=7
答案

移项得2x2=98，系数化为1得，x2=49，开方得x1=7，x2=-7．故选C．

填空题

仁果类果树有：（）、（）、（）、（）、（）等
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单项选择题

Which of the following statements about Standard Ⅳ (C), Responsibilities of Supervisors, is FALSE CFA Institute members with supervisory authority:（）

A. are expected to bring an inadequate compliance system to the attention of the firm’s senior managers and recommend corrective action.

B. are expected to have in - depth knowledge of the Code and Standards and to apply this knowledge in discharging their supervisory responsibilities.

C. may delegate supervisory duties, which relieves them of their supervisory authority.
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