脊髓灰质炎损害最多见的节段是() A.颈髓 B.胸髓 C.腰髓 D.骶髓 E.马尾神 发布时间:2017-08-25 08:53 │ 来源:www.tikuol.com 题型:单项选择题 问题: 脊髓灰质炎损害最多见的节段是()A.颈髓B.胸髓C.腰髓D.骶髓E.马尾神经节
题型:单项选择题 40. —Shall Tom go and play football? —Not ________ he has finished his homework.A.whenB.ifC.unlessD.once 查看答案