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问题 单项选择题 B型题

血红蛋白中主要的微量元素是（）

A.铁

B.维生素C

C.植酸盐

D.碳酸盐

E.维生素B1

答案

参考答案：A

解析：1.血红蛋白中主要的微量元素是铁。 2.对铁吸收有促进作用的物质是维生素C。 3.减少铁吸收转运、储存的物质是植酸盐。

单项选择题

When a CFA Institute member suspects a client or a colleague of planning or engaging in ongoing illegal activities, which of the statements about the actions that the member should take is most correct According to the CFA Institute Standards of Professional Conduct, the CFA Institute member should:（）

A. consult counsel to determine the legality of the activity.

B. consult counsel to determine the legality of the activity and disassociate from any illegal or unethical activity if the member has reasonable grounds to believe that the activity is illegal or unethical.

C. ignore the suspected illegal activity unless the suspected party is a CFA Institute member.
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问答题 简答题

二次风的作用？如何调整？有何注意事项？
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