概念的操作定义
参考答案:
依据抽象定义所界定的概念内涵和外延提出一些可以观测的调查指标或调查项目来说明如何度量一个概念。
给出一个求1+2+3+4+5的值的算法。
---He hasn’t tried Amazon Buffet before, has he? ---______. He hopes to have a chance to eat there.
A.No, he has
B.No, he hasn’t
C.Yes, he has
D.Yes, he hasn’t