鳖雌雄交配后，精子能在雌鳖的输卵管内存活（）
A.10天
B.1个月
C.3个月
D.5个月
参考答案：D
— What's that noise, John?
— Sorry, Linda. I forgot to tell you. The school library ______.[ ]
A. is rebuilt
B. is being rebuilt
C. was rebuilt
D. has been rebuilt
简述硬膜外肿瘤的影像学表现。
