原发性三叉神经痛的临床表现()
A.闪电样疼痛
B.下颌反射减弱
C.面部感觉消失
D.角膜反射消失
E.张口下颌偏斜
参考答案:A
The athlete fell off his bike when he _____ down the hill.
A.cycled
B.was cycling
C.had cycled
D.is cycling
车站最终能力是车站()和()的总称。