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【单选题】
常压干燥法测定面包中水分含量时，选用干燥温度为A.
100-105℃
B.
105-120℃
C.
120-140℃
D.
140-160℃E.160℃以上
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反馈参考答案：
举一反三
【单选题】What is important to a good leader?
A.
A dominant personality
B.
The courage to admit failure
C.
The ability to delegate
D.
A strong sense of responsibility.
【简答题】出人口控制系统由 ( ) 、 ( ) 、 ( ) 、 ( ) 、 ( ) 五部分组成。
【单选题】From the last paragraph we can learn that ______.
A.
you are certain to earn much money in the network meting
B.
success in the network marketing is up to you and your progress
C.
making money in the network marketing is an easy job
D.
you don't be so feel to work with a network marketing company
【单选题】What is the purpose of the last paragraph?
A.
To emphasize the importance of adults’ concern when a child fails.
B.
To show how to guide children to develop friendship.
C.
To explain why adults should treat children with respect and care.
D.
To show how love and everyday interactions work in molding a moral child.
【多选题】如下哪些项是具有后弯叶片的离心泵的特点（）
A.
同样的叶轮尺寸、转速和叶片宽度，在同样流量下，叶片后弯比前弯时的压头较低
B.
同样的叶轮尺寸、转速和叶片宽度，在同样流量下，叶片后弯比前弯时的机械能损失较低，因此泵效率较高
C.
叶片后弯时，压头随流量的增大而下降
D.
同样的叶轮尺寸、转速和叶片宽度，叶片后弯比前弯时的流量较大
【单选题】What is the best title for the passage?
A.
First Job or Career Job.
B.
Employed or Underemployed.
C.
Why Your First Job Matters Not.
D.
How Labor Market Trend Changes.
【简答题】简述离心泵的特点主要有哪些？
【简答题】The more you learn,the more you earn.
【简答题】离心泵的性能和结构有哪些特点？
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