受交感节前纤维支配的器官是()A.心脏窦房结 B.面部汗腺 C.甲状腺 D.肾上腺髓 发布时间:2017-11-14 21:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 受交感节前纤维支配的器官是()A.心脏窦房结B.面部汗腺C.甲状腺D.肾上腺髓质
题型:单项选择题 How much time do you often spend _____ English every day?[ ]A. to practise speaking B. practising to speakC. on practising to speakD. practising speaking 查看答案