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【判断题】
中药分析中最常用的提取方法是溶剂提取法。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】根据误差的性质及其来源,可将它分为: 和 。
【简答题】人均浏览量和平均停留时长优化建议。
【简答题】根据误差的性质和来源，可将其分为 误差、随机误差和粗大误差
【简答题】用 used to; didn’t use to; 或 would 完成下列句子 1. I ____ live in Manchester, but I moved to London last year 2. When he was at school, he _____ play football every Saturday. 3. She _____ hate her job until ...
【简答题】根据误差的来源和性质,可将误差分为 和 。
【单选题】When he was alive, the old scientist used to say that knowledge _____ from practice and he gained his experience by doing a lot of practial work. A. comes B. had come C. was coming D. would come
A.
1
B.
2
C.
3
D.
4
参考解析：
知识点：
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