某建筑企业，企业经理为法定代表人，没有现场安全生产管理负责人。该企业在其注册地的某项施工过程中，甲班队长在指挥组装塔附近，没有严格按规定把塔吊吊臂的防滑板装入燕尾槽中并用螺栓固定，而是违规将防滑板用点焊接。甲班作业过程中发生吊臂防滑板开焊、吊臂折断脱落事故，造成3人死亡、1人重伤。这次事故造成的损失包括：医疗费用(含护理费用)45万元，丧葬及抚恤等费用60万元，处理事故和现场抢救费用28万元，设备损失200万元，停产损失150万元。 根据以上场景，回答下列问题(1～3题为单选题，4～7题为多选题) 根据《企业职工伤亡事故调查分析规则》，该起事故的直接原因包括( )。
A. 私自改装、使用不牢固的设施
B. 塔吊司机作业时未加注意
C. 现场安全生产管理不到位
D. 塔吊吊臂防滑板开焊
E. 安全生产责任制不健全
查看答案
Which of the following statements about the semistrong-form efficient market hypothesis (EMH) and the strong-form EMH is FALSE（）
A. Small firms tend to underperform large firms on a risk-adjusted basis.
B. Tests have found that stocks with low price to earning (P/E) ratios tend to outperform stocks with high P/E ratios.
C. The strong form of the market efficiency hypothesis states that security prices fully reflect all public and private information.
All of the following violate Standard Ⅰ(C), Misrepresentation, EXCEPT:（）
A. copying a proprietary computerized spreadsheet without seeking authorization from their creators.
B. presenting factual information published by recognized statistical reporting services without acknowledgment.
C. using excerpts from reports prepared by others with minor word changes without acknowledgment.
Which of the following statements about the various tests of the efficient market hypothesis (EMH) is INCORRECT（）
A. Tests of the semi-strong form EMH give mixed results. Time-series tests such as dividend yield and default spread reject the semi-strong form EMH while event studies of stock splits and announcements of accounting changes support it.
B. The superior historical performance of exchange specialists and corporate insiders rejects the semi-strong form of the EMH.
C. The historical performance of professional money managers supports the semi-strong form of the EMH.
A company had the following changes in its stock: The company had 2 million shares outstanding on December 31,2006. On March 31,2007, the company paid a 10% stock dividend. On June 30,2007, the company sold $10 million face value of 7% convertible debentures, convertible into common at $ 5 per share. On September 30,2007, the company issued and sold 100000 shares of common stock. The company should compute its 2007 basic earnings per share based on.（）
A. 2225000 shares.
B. 2250000 shares.
C. 3225000 shares.
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