2012 Shanghai Question 5 Single-choice Differentiating 2012_上海卷 (物理) 5.在轧制钢板时需要动态地监测钢板厚度,其检测装置由放射源、探测器等构成,如图所示。该装置中探测器接收到的是( ) A. x射线B. α射线C. β射线D. γ射线 Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →