属内脏感觉的是（）
A.孤束核
B.半月神经节
C.下颌神经节
D.器官旁节
E.椎旁节
参考答案：A
Helen has two sisters and a brother.Her brother is working, but _____ her sisters are still at school,[ ]
A. neither
B. either
C. all
D. both
影响流量影计系数的因素有（）项.
A.5
B.6
C.8
D.10
