华勒变性发生于() A.周围神经纤维末梢 B.周围神经纤维向心端 C.周围神经 D. 发布时间:2017-06-02 06:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 华勒变性发生于()A.周围神经纤维末梢B.周围神经纤维向心端C.周围神经D.周围神经纤维远心端E.中枢神经纤维
题型:单项选择题 — Bob speaks Chinese quite well.—Yeah, and he practices _____ every day.[ ]A. speakingB. to speakC. speaks D. has spoken 查看答案