传导慢痛及内脏痛的纤维主要是
A．Ar纤维B．Aα纤维C．Aδ纤维D．C类纤维
参考答案：D
We all think Liu Wen is _____ honest girl. You can believe her.[ ]
A. a
B. an
C. the
D. /
电爆网路有哪几种连接方式？各有何优缺点？
