可转换公司债券的持有者,通过转换使其成为普通股股东,不会对每股收益水平产生影响。()
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涉外经济合同的变更须经国家的批准才有效。()
A. 正确
B. 错误
成人学习者往往不愿意与讲师共同承担教学责任。()
A. 正确
B. 错误
两人协同对心跳骤停的患者进行心肺复苏时。人工呼吸与心脏按压的比例应为
A. 2:5
B. 2:15
C. 1:5
D. 2:30
E. 1:15
A key advantage of futures contracts for contract participants is that they______.
A. are tax-exempt
B. eliminate the risk of price fluctuations
C. serve as a primary source of funds for start-up companies
D. are adjusted for inflation