搜题请搜索小程序“爱下问搜题”
问题 单项选择题

与肺间皮瘤关系密切的是（）

A．3，4-苯并芘

B．黄曲霉毒素

C．石棉纤维

D．紫外线

E．乙萘胺

答案

参考答案：C

解析：

[考点] 肿瘤，肿瘤病因

[分析]： 膀胱癌与乙萘胺关系密切；肺间皮瘤与石棉纤维关系密切。

单项选择题

Todd Gable, CFA, was attending a noon luncheon when he overheard two software executives talking about a common vendor, Datagen, about how wonderful they thought the company was, and about a rumor that a major brokerage firm was preparing to issue a p buy recommendation on the stock. Gable returned to the office, checked a couple of online sources, and then placed an order to purchase Datagen in all of his discretionary portfolios. The orders were filled within an hour. Three days later, a brokerage house issued a p buy recommendation and Datagen’s share price went up 20%. Gable then proceeded to gather data on the stock and prepared a report that he dated the day before the stock purchase. Gable has:（）

A. violated the Standards by improper use of inside information.

B. violated the Standards by using the recommendation of another brokerage firm in his report.

C. violated the Standards by not having a reasonable basis for making the purchase of Datagen.
查看答案
问答题

画出游标卡尺表示下列尺寸：
（1）3.2mm（读数值0.1mm）；
（2）22.5mm（读数值0.05mm）；
（3）21.5mm（读数值0.02mm）。
查看答案