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【单选题】
The author implies that scientists develop a healthy skepticism because they are aware that ______.A.
mathematicians are better able to solve problems than scientists
B.
changes in axiomatic propositions will inevitably undermine scientific arguments
C.
well-defined situations are necessary for the design of reliable experiments
D.
some factors in most situations must remain unknown
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皮皮学刷刷变学霸
举一反三
【单选题】砌一个圆柱形的水池,底面直径 2 米,深 3 米,在池的周围与底面抹上水泥,抹水泥的部分面积是( )平方米。
A.
25.12
B.
18.84
C.
21.98
D.
12.56
【简答题】成人脊髓下端平第_____腰椎下缘。脊髓前角内含有_____神经元,后角内含有_____神经元,侧角是_____神经的低级中枢。
【简答题】最低抑菌浓度(MIC)(名词解释)