第4题: [单项选择]某投机者以7800美元/吨的价格买入1手铜合约,成交后价格上涨到7950美元/吨。为了防止价格下跌,他应于( )美元/吨的价位下达止损指令。 A. 7780 B. 7800 C. 7870 D. 7950 参考答案:C 答案解析:[解析] 止损单中的价格不能太接近于当时的市场价格,以免价格稍有波动就不得不平仓。但也不能离市场价格太远,否则,又易遭受不必要的损失。当止损价格定为7870美元/吨时,通过该指令,该投机者的投机利润虽
第5题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Better. B. Sick. C. Fine. D. Tired. 参考答案:C 答案解析:[听力原文]
W: John, how are you I heard you were sick.
M: You must have confused me with somebody els