鼻睫状神经在眶内发出的分支有（）.
A.睫状节长根
B.睫状长神经
C.筛后神经
D.筛前神经
E.滑车下神经
参考答案：A, B, C, D, E
塔吊顶升过程中，如有起重平衡架不平衡时（）。
A.应立即停止顶升
B.可用牵引小车来调整
C.调整配重
D.增加安全装置继续顶升
It's nice to see you again. What _____ since we last met? [ ]
A. have you done
B. had you done
C. have you been doing
D. did you do
