下图为伏安法测量一个定值电阻值的实验所需器材,其规格如下: (1)待测电阻Rx(约100Ω) (2)直流电流表(量程(0~10mA,内阻50Ω) (3)直流电压表(量程0~3V,电阻5kΩ) (4)直流电源(输出电压4V,内阻不计) (5)滑动变阻器(阻值范围0~15Ω,允许最大电流1A) (6)开关一个,导线若干条, 根据实验器材的规格和要求,在虚线框内画出实验电路图并在本题的实物图上连线_____ a stange noise , the little girl ,_______ run out of the dark house. A. heard; trembled and frightened B. hearing; trembling and frightened C. hearing; trembled and frightening D. heard; trembling and fightening