单选题:输精管 ( ) 题目分类:医学综合 题目类型:单选题 查看权限:VIP 题目内容: 输精管 ( ) A.起于睾丸下端 A.起于睾丸下端 B.全程位于精索内 B.全程位于精索内 C.粗细一致的肌性管道 C.粗细一致的肌性管道 D.末端膨大为输精管壶腹 D.末端膨大为输精管壶腹 E.开口于前列腺 参考答案: 答案解析:
根据以下资料,回答题。 The dust particle on Mars is the smallest parti 根据以下资料,回答题。The dust particle on Mars is the smallest particle that has been ima 分类:医学综合 题型:单选题 查看答案
When does the next train depart? When does the next train depart?A.pull up B.pull down C.pull out D.pull in 分类:医学综合 题型:单选题 查看答案
There is an abundant supply of cheap labor in this country. There is an abundant supply of cheap labor in this country. A.a steady B.a plen 分类:医学综合 题型:单选题 查看答案