题目:
根据对话内容,获取有关信息,替Ann 写一封邀请信。填在下面相应位置。 A: Hello. May I speak to Li Lei? B: Speaking. Is that Jim? A: Yes, Li Lei. It’s Thursday now. We’ll go to Ann’s birthday party the day after tomorrow. Shall we go to Ann’s home together? B: All right. But how shall we go there? A: Why not ride bikes? It takes about twenty minutes to get there from our school by bike. Let’s meet at the school gate, shall we? B: OK. Let’s meet there at five o’clock and we can get there ten minutes before the party starts. A: That’s a good idea.
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答案:
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参考答案:B解析:由题意得知,期权的投资收益来自于两部分:权利金收益和期权履约收益。在损益平衡点处,两个收益正好相抵。(1)权利金收益=-15+11=-4美分/蒲式耳,因此期权履约收益为4美分/蒲式耳。(2)买...