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【多选题】
三维运动混合机的组成部件包括A.
柱塞泵
B.
传动系统
C.
电机控制系统
D.
多向运动机构
E.
混合筒
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反馈参考答案：
举一反三
【单选题】对常用的又是易制毒的试剂,应:
A.
放在试剂架上
B.
放在抽屉里，并由专人管理
C.
少量试剂应锁在实验室的专用试剂柜中，并由专人管理，做到双人双锁
D.
贴好标签，做好警示标志
【单选题】If the yield on Treasury bills falls from 27% to 22%, then the yield will decrease by ______basis points.
A.
0.05
B.
0.5
C.
5
D.
50
【简答题】yield value
【简答题】In primary research paper, what's the usual pattern followed by authors?
【单选题】The relationship between the AAA-yield and BBB-yield for corporate bonds can best be described as which of the following?
A.
The AAA-yield is always lower than the BBB-yield
B.
The AAA-yield is usually higher than the BBB-yield, but that relationship has changed at times
C.
There is no obvious relationship between the AAA-yield and the BBB-yield
D.
The AAA-yield is always higher than the BBB-yield
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