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问题 多项选择题

甲醛吸收—副玫瑰苯胺分光光度法（GB/T15262—94）测定二氧化硫，实验成败的关键是严格控制（）。

A、显色温度

B、显色时间

C、环境湿度

D、显色体积

答案

参考答案：A, B

单项选择题

A CFA charterholder is asked to review her firm’s soft dollar practices. As part of the review, she notes that her firm has failed to disclose the practices to the firm’s clients in writing as required by law. She does not report the firm’s violation to the appropriate regulatory authority, has the charterholder violated any CFA Institute Standards of Professional Conduct（）

A. No.

B. Yes, because she failed to act in the best interest of her employer.

C. Yes, because she is required to report legal violations to the appropriate authority.
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单项选择题 A1/A2型题

下列关于肝（脾）造血期不正确的是（）

A.肝脏造血至生后4～5天停止

B.肝脏造血自胚胎第8周开始

C.脾脏开始造血比肝脏晚1个多月

D.肝脏造血胚胎第5个月达高峰

E.脾脏至胚胎第5个月时完全停止造血
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