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1.常识类问题用一些基本常识,结合物理规律进行估算,是将所学知识应用于实际生活的基本能力. 例1 一只普通家用照明白炽灯正常发光时,通过它的电流与下列哪一组数据较接近?( ) (A)20A.(B)2A.(C)0.2A.(D)O.02A.
1. The common sense problem is estimated by using some basic common sense and combining the laws of physics. It is the basic ability to apply the learned knowledge to real life. Example 1 When an ordinary household lighting incandescent lamp emits light normally, the current through it and the following The group data is closer to ()(A)20A.(B)2A.(C)0.2A.(D)O.02A.