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【单选题】
物质的吸收光谱曲线可应用在下列定性与定量分析中,但不包括:
A.
吸收光谱曲线的形状可作为物质定性分析的依据
B.
吸收光谱曲线上的最大吸收波长可作为定量分析中的测定波长
C.
吸收光谱曲线上的特征值(最大吸收波长、最小吸收波长、肩峰和末端吸收)可作为物质鉴别的依据
D.
吸收光谱曲线上最大吸收波长处的吸光度可作为物质定性分析的依据
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参考答案:
举一反三
【单选题】“君子藏器于身”的下一句是:
A.
知止不殆
B.
于我如浮云
C.
待时而动
D.
知足不辱
【单选题】The instruction in the first language is a key part of a good bilingual program.
A.
Y
B.
N
C.
NG
【单选题】Which values are not permitted to be part of the primary key? ( )
A.
alpha-numeric characters
B.
punctuation
C.
special characters
D.
NULL
【简答题】目前国内培养的单细胞藻种类有哪些?
【单选题】Which part in the debating is the key?
A.
Argument
B.
Speed
C.
Delivery
D.
Ideas
【单选题】Bill Gates believes Google is a key part for his company to earn profits.
A.
Right
B.
Wrong
C.
Doesn't Say
【单选题】Which part in the debating is the key?
A.
Argument
B.
Ideas
C.
Delivery
D.
Speed
【单选题】Bill Gates believes Google is a key part for his company to earn profits.
A.
Right
B.
Wrong
C.
Doesn't say
【判断题】“君子藏器于身”的下一句是“待时而动”
A.
正确
B.
错误
【多选题】What are the key elements of the statement of purpose in the introdution part?
A.
Model verbs
B.
Purpose Noun
C.
Action Verb
D.
Topic
参考解析:
知识点:
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