单项选择题

在温度、体积恒定的容器里含有A,B两种气体，这时A的分压为。若在容器中再加入一定量的气体C则（）
A、变大
B、变小
C、不变
D、无法确定

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单项选择题

下列各项中，能够用于协调企业所有者和企业债权人矛盾的方法是( )。 A、限制性借款 B、解聘 C、股票期权 D、绩效股

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What helpful thoughts can you use to control and replace the following negative thoughts emerging before or during your presentation？ 2. My grammar isn’t very good and I’m embarrassed about making mistakes. A、You might make mistakes, but this is not very important. The important thing is that you communicate something to the audience. That will happen, even if you make mistakes. B、Ask if you can do the presentation in your native language before the presentation, so that you don't make mistakes

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