题目内容
（请给出正确答案）
[主观题]
We need to know something about the structure and operation of science because （)．A． it i
We need to know something about the structure and operation of science because ()．
A． it is not easy to understand the things that excite and frustrate scientists
B． science affects almost every aspect of our life
C．scientists live in a specific subculture
D．it is easier to understand general characteristics of science
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