用电流表测量电流应把电流表() A.串联在电路中 B.并接在负载上 C.并接在电源上 发布时间:2018-05-04 04:03 │ 来源:www.tikuol.com 题型:单项选择题 问题: 用电流表测量电流应把电流表()A.串联在电路中B.并接在负载上C.并接在电源上
题型:单项选择题 It is your own fault _____ you are so tired. You oughtn't have stayed late. [ ]A. when B. how C. where D. why 查看答案