We have to admit that the traditional brand has got some () benefits.
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()。 【拓展应用】下列几个方案中一定能证明CO 2 与NaOH溶液反应的是
将以下英文段落翻译为中文 Breakfast meetings rarely last more than an hour. They imply certain urgency and are often convenient during business travels. Lunch is usually best for getting to know a guest a bit better. People do not have to talk about business, of course. Afternoon tea or coffee is a relaxed way to spend 45 minutes or an hour talking about business. Dinner is a more formal business event. Generally, this is not a time to talk about business, but rather a time to get to know the other person and enjoy each other’s company. ()
He was overweight and decided to be an ()
已如无风险收益率8%,市场预期收益率18%,某组合投资由两只股票A和B组成,市价分别为30万元和20万元,b系数为1.8和0.8。1)计算股票A、B的预期收益率。2)组合投资的b系数和预期收益率。