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【单选题】
有一蛋白质水解产物在pH = 6用阳离子交换柱层析时，第一个被洗脱下来的氨基酸是A.
Val （pI为5.96）
B.
Lys （pI为9.74）
C.
Arg （pI为10.76）
D.
Asp （pI为2.77）
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举一反三
【简答题】液压系统中的压力取决于___________,执行元件速度取决于_____________.
【多选题】What verbal communication style(s) do you think Case 28 "Two Different Communication Styles" reflects?
A.
Direct and indirect styles of communication
B.
Self-enhancement and self-effacement styles of communication
C.
Elaborate, exacting and succinct styles of communication
D.
Personal and contextual styles of communication
E.
Instrumental and affective styles of communication
【单选题】Concordia’s communication process mainly relies on .
A.
printed communication
B.
departmental heads
C.
personal communication
D.
a separate, specialized unit
【单选题】What's the topic of this passage?
A.
Introduction of communication tools
B.
Details of written communication
C.
Communication in an organization
D.
How to improve communication
【简答题】液压系统中的压力取决于( ),执行元件的运动速度取决于( ) 。 2 .液压传动装置由( )、( )、( )和( )四部分组成,其中( )和( )为能量转换装置。
【单选题】What’s the author’s attitude towards the communication revolution?
A.
He thinks he is Luddite.
B.
He is indifferent to the communication revolution.
C.
He thinks it’s great, but worries about its unintended consequences.
D.
He thinks it is preferable to human contact.
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