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【多选题】
下列为盐酸去氧肾上腺素常用的鉴别反应有A.
重氮化-偶合反应
B.
三氯化铁显色反应
C.
双缩脲反应
D.
氧化反应
E.
Rimimi反应
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反馈参考答案：
举一反三
【单选题】When the suffix______is added to a verb, it changes this verb into an adjective.
A.
-less
B.
-ness
C.
NAME?
D.
NAME?
【单选题】Which of the following is NOT a type of incomplete verb:
A.
auxiliary verb
B.
intransitive verb
C.
semi-auxiliary verb
D.
being verb
【单选题】According to the passage, what is a 'free-for-all verb'?
A.
An irregular verb like 'grow' or 'speak'.
B.
A verb that is converted from a noun at will.
C.
A verb that is formed by taking off an affix from a noun.
D.
A verb that does not comply with grammatical rules.
【简答题】《牡丹亭》又称作( )。
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