如图,在圆内接梯形ABCD中,AB∥DC,过点A作圆的切线与CB的延长线交于点E,若AB=AD=5,BE=4,则弦BD的长为()。
参考答案:
解析:
Beijing is the c小题1:of China. It is an old c 小题2: and there are lots of places of i 小题3: in Beijing. You know the emperors of Qing Dynasty lived in the Palace M 小题4: . You can walk s 小题5: around the big lake and feel the b 小题6: of the old park in the Summer Palace. You can also drink s 小题7: Beijing tea in Laoshe Tea House. It is also a m 小题8: city, you can visit the big s 小题9: in Wangfujing Street and you can travel to the World Park by u 小题10: .
属于混合性神经的是()。
A.眼神经
B.上颌神经
C.下颌神经
D.下牙槽神经
E.咀嚼肌神经