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【单选题】
中药黄连所含生物碱的主要结构类型是（ ）A.
莨菪烷类
B.
喹喏里西啶类
C.
有机胺类
D.
原小檗碱类
E.
吲哚类
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反馈参考答案：
举一反三
【简答题】学徒往往是在工作中学习的。(on the job)
【简答题】氧化还原滴定中预处理时对所用的预氧化剂或还原剂有哪些要求?
【单选题】— Do you have any hobbies? — Yes, I do. I like ______________. [ ]
A.
make model planes
B.
making model plane
C.
making model planes
【单选题】Why do we model?
A.
Helps to visualize a system
B.
Gives us a template for constructing a system
C.
Documents our decisions
D.
All of the above
【单选题】What do we learn about Lores founders?A.They cant be bothered to design a business model.#
A.
What do we learn about Lores founders? A.They cant be bothered to design a business model.
B.
They learn a lesson from the success of Facebook.
C.
They will not make profits without drawing mass users.
D.
They desire to receive an honorary degree from the alma mater.
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