题目

读下面的句子，选择最合适的答句配对 A. Here you are .B. Nice to meet you, too .C. Thank you!D. It's a dog.E. My name's Amy. Can I have some rice, please?What's that? What's your name? Happy birthday Nice to meet you . 答案：【1】A【2】D【3】E【4】C【5】B图中的D为置于电磁铁两极间的一段通电直导线，电流方向垂直于纸面向里。在电键S接通后，导线D所受磁场力的方向是 A．向上        B．向下        C．向左        D．向右