测量电压时，应将数字万用表与被测电路串联。测电流时应与被测电路并联。（）
参考答案：错
—What _________ Jenny _________?
—She _________a cow.[ ]
A. do, sees, sees
B. does, sees, sees
C. does, see, see
D. does, see, sees
刺激控制
