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According to Legato, prescription drags have played an important role in the extension of

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Women are more ______ than men when they apply for positions or attending interviews.

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资料四下划线句子提到“遭遇着一个两难境地”，根据资料4、5，根据情况对此进行分析。(30分)
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简述股票指数期权交易与股票指数期货交易的主要区别。