先天性神经梅毒可表现为很多临床类型，但一般除外()
A．脑膜神经梅毒
B．脑膜血管梅毒
C．脊髓膜血管梅毒
D．梅毒性脑膜脑炎
E．脊髓痨
参考答案：E
Later, these rocks proved that ___ in the distant past the Antarctic was covered by plants.
A．at one time
B．at a time
C．at times
D．at the same time
老年人运动后的心率在以上才能恢复者，表明活动强度太大（）
A.5min
B.l0min
C.l5min
D.20min
E.25min
