影响认股权证价值的因素主要有( )。
A．普通股的市价
B．认股数量
C．剩余有效期间
D．换股比率
参考答案：A,C,D
解析： 如果权证由上市公司自己发行，就称为股本认股权证或者权益认股权证。它授予持有人一项权利，在到期目前(也可能有其他附加条款)对于股票认股权证的持有人而言，面对的是上市公司的信贷风险。影响认股权证价值的因素有以下四点。①普通股的市价。市价高于认购价格越多，认股权证的价值越大；市价波动幅度越大，认股权证的价值就越大。②剩余有效期间。认股权证的剩余有效期间越长，市价高于认购价格的可能性越大，认股权证的价值就越大。③换股比例。认股权证的换股比例越高，其价值就越大；反之，则越小。④认股价格。认股价格越低，认股权证的持有者为换股而付出的代价就越小，而普通股市价高于认股价格的机会就越大，因而认股权证的价值也就越大。故选ACD。
阅读短文， 从方框中所给的四个句子中选出正确选项， 填在短文空缺处，使短文内容完整、连贯。  Do you have a mobile phone? Do you often send text messages（信息）to your friends of family? If you keep sending text messages over and over again, there may be something wrong with your fingers(手指). 小题1: If you don’t , you may get hurt one day. Text messaging or “texting” is becoming popular. But , scientists have found out that texting can give us problems with fingers. Too much texting can make your fingers uncomfortable. When we press small buttons over and over again , we may have a disease(疾病) called RSI. RSI is short for Repetitive Strain Injury(重复性力损伤). Harriet Wilson is a doctor. She has many patients(病人) with RSI.小题2: If we spend more than 10-15 minutes every day, we could have such problems in the future. Mobile phones and the buttons are getting smaller and smaller. 小题3: Texting with a smaller phone is worse than using a large phone with bigger buttons.小题4: . It’s easy to type with a large one. If you use a computer keyboard and play video games for long, you may have the same problem. More and more people can find themselves with RSI.
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