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【判断题】
当变量的次数分布右偏时,则众数<中位数<算术平均数。A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】Which of the following are the key factors that must be considered to identify the key success factors?
A.
What is the basis for customers to choose between competing brands
B.
What resources and capabilities does a vendor need to compete successfully in an industry?
C.
What measures must a seller in an industry take to gain a lasting competitive advantage?
D.
Enterprise's own advantages
【单选题】All of the following are mentioned as the key factors which contribute to her success in her career EXCEPT______.
A.
analytic ability
B.
mathematical capacity
C.
endurance
D.
diligence
【多选题】微波提取的原理和特点说法正确的是?
A.
优点：投资少、设备简单、有效成分得率高、溶剂耗量少，无污染等
B.
缺点：设备的一次性投资较大，运行成本高，且难于萃取强极性和大分子量的物质
C.
原理： 利用300MHz-30GHz（波长在1cm-1m，介于红外和无线电波之间）之间的电磁波进行微波加热，破坏细胞膜和细胞壁。使得胞外溶剂容易进入细胞内，溶解并释放出细胞内产物。
D.
微波提取效益仅仅与提取功率相关
【多选题】The key factors in tissue engineering includes: _________.
A.
Cells
B.
Scaffold
C.
Growth Factors
D.
Mechanical Forces
【单选题】All of the following are key factors that influence the decision of where to produce except
A.
competitors factors
B.
country factors
C.
technological factors
D.
product factors
【判断题】规范性文件，是指除政府规章外，行政机关在法定职权范围内，按照法定程序制定并公开发布的，对公民、法人和其他组织具有普遍约束力，可以反复适用的规定、办法、规则等行政公文。
A.
正确
B.
错误
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