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【单选题】
葡萄糖注射液在高温时,易发生下列哪个反应而产生杂质()A.
水解反应
B.
脱水反应
C.
氧化反应
D.
缩合反应
E.
加成反应
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反馈参考答案：
举一反三
【简答题】自动控制系统的性能一般从 ________ , _________, ______ 三个方面来评价。
【单选题】听力原文：M: Mary' would you like to be my cooperation partner next time? W: Sure. I just can't believe you still want to work with me after I messed up last time. Q: What can we learn about the woman from...
A.
She isn't ready to cooperate with the man.
B.
She's surprised the man chose her.
C.
She doesn't understand why the man didn't work.
D.
She thinks it's difficult to find a partner.
【简答题】试论述单晶硅与多晶硅的区别与各自的优点和缺点。
参考解析：
知识点：
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