影响药物溶液降解的外界因素有（）
A.pH
B.药物分配系数
C.环境的温度
D.药物结晶形成
E.溶剂的介电常数
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| 阅读短文，根据短文内容，填写下列表格。 | ||||||||||||||||
| Last Saturday, our school organized a talent show to raise money for charity. It was a great success. Students took an active part in it, and we collected 20 000 yuan in all. After the show, I interviewed three students. First I talked with Liu Hong. In the talent show, she danced the ballet. "How long have you been dancing the ballet?" I asked. "For six years," she answered. "Why do you learn it?" "I think it's beautiful and I wanted to be a professional (专业的) dancer when I grow up." Next I had a talk with Zhao Ming. He played a piece of Mozart's music. He played wonderfully. I asked, "When did you start playing the piano?" "Um, I'm twelve now and I have been doing it since I was five," he said. "Are you going to play the piano after finishing high school?" "Sure, my dream is to be a pianist." Finally, I asked Chen Jie, an 11-year-old girl. She sang us some folk songs (民歌). Her voice is very sweet. "Why are you interested in folk music?" I asked. "I admire Song Zuying and I wanted to be a singer like her. I have been singing folk music since five years ago. I hope I can hold a singing concert in the future," she said. | ||||||||||||||||
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职业道德对职业技能的作用表现为______
A．统领作用
B．支撑作用
C．促进作用
D．决定作用
如图所示，M、N为装在水平面上的两块间距可以调节的光滑竖直挡板，两板间叠放着A、B两个光滑圆柱体，现将两板间距调小些，这时与原来相比，下述结论中正确的是：
A．N板对圆柱体A的弹力变小
B．圆柱体A对圆柱体B的弹力变大
C．水平面对圆柱体B的弹力变大
D．水平面对圆柱体B的弹力变小
如铁路根据国际货协的规定准备暂时停止承运货物，应按照国际货协的规定将有关禁运或取消禁运的事项用（）各有关铁路。
A、电话
B、信函
C、书面文件
D、电报通知
2016年铁路投资是？（）
A.5000亿
B.6000亿
C.7000亿
D.8000亿